Zetor

In 1972, the updated UR I series models 4712, 5711/5745, and 6711/6745 were introduced. Alongside these, the factory also had models equipped with cabs: 4718, 5718/5748, and 6718/6748 (top image), but only the versions without cabs were brought to Finland and were fitted here with the Terä cab, which did not have a heating system. The engines of the 4712 and 6711 models had an increased cylinder bore by 5 millimeters. Initially, the power figures announced for Finland were 41/55/59 hp DIN, and later 45/57/65 hp. International brochures list the latter figures as gross power.

Considering Finnish conditions, a good feature was the forced feed device for the injection pump. The transmission was strengthened in the update, for instance, by increasing the width of the reduction gear sets. The 6745 had a stronger front axle than before. Rear-wheel-drive models were also equipped with a lowering, air-operated quick gear, but this was not brought to Finland.

For the year 1977, Finland switched to the better-upholstered Terä cab equipped with a heating system.

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Tractors

Zetor 4712-6745

In 1960, the Zetor UR I series (Unified Range) was introduced. The redesigned larger 5511 was added to the lineup in 1966, and soon after, the smaller models were also designated as the "five series." However, they only received the new design and cast iron front frame later. The biggest technical innovations of models 2511, 3511, and 4511 compared to their predecessors were front suspension (optional), brake steering, and a new dashboard. Power steering was available as an option.

Familiar features from the predecessors included a dual clutch, a 10+2 transmission, and Zetormatic hydraulics with push-rod sensing. Zetor’s gearbox included an unusually slow first gear. The PTO speed for local use could be changed via the transmission. The gear lever was placed on the dashboard, and the gear layout was unusual. On four-wheel-drive models, the 3545’s four-wheel drive was only available in the high-range of the range gearbox. Only the 5545 model four-wheel drive was imported to Finland, where four-wheel drive worked on all gears. In the early 1970s, models 3611, 4611, 5611, and 5645 equipped with factory-installed cabs were also produced, but these were not imported to Finland.

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Zetor 2511-5545

The first Crystal, model 8011, was introduced in 1968, but it only reached production and Finland in 1971. At the time, the Crystal was a quite advanced tractor: its flat-floor cab represented the pinnacle of the era, the transmission was equipped with a hydraulic quick-shift, and draft sensing was done through the draft arms. The power take-off had a separate hydraulic clutch. The engine was a new 4.6-liter four-cylinder with power output ranging from 77 to 80 hp according to different sources. Product development was done in cooperation with Ursus, and some parts, such as the rear axles and hydraulics, were Polish. In 1972, the four-wheel-drive model 8045 was introduced. The driven front axle was manufactured by Universal in Romania.

The 6-cylinder 12011 and 12045 (115 hp) were introduced in 1974, five years after the prototype of the six-cylinder Crystal was unveiled.

In 1979, a heating and ventilation module was installed on the cab roof in Finland. In 1980, turbocharged models 10011/10045 (95 hp) and 16011/16045 (160 hp) were introduced internationally. These models were not brought to Finland, nor were the 75 hp 8011/8045 R models. In 1981, production was moved to the ZTS Martin factory in Slovakia. At the same time, the production of the turbocharged 10011/10045 and 16045 models began. Later, the 14011/14045 (140 hp) models were also introduced. Only a small number of the 10045 model were imported to Finland.

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Zetor Crystal 8011-16045

In 1978, the small Zetor tractors transitioned from the 7 series to the 9 series. The engines had a larger displacement than before, and the combustion chambers were redesigned. The front axles of the four-wheel-drive models were equipped with planetary gear sets. The front lights were now protected. The spacious cabin, again manufactured in Finland, featured tinted glass, and the lift control levers were finally positioned higher than before. Battery removal was also partially made easier. The electrical system was the last among tractor manufacturers to switch to an alternator. The main gear lever was still in its old place on the dashboard. The floor still contained a collection of control devices, and there was still much room for improvement in other parts of the cabin.

By the turn of the 1980s, four-wheel-drive models accounted for over half of Zetor's sales.

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Zetor 4911-6945

At Agritechnica in the autumn of 2015, the first 6-cylinder Zetors were presented for the first time in a long while. The technology had only minor differences compared to the Forterra models, but the model name chosen was the traditional Crystal, and the hood design was more massive. The engines were 6.1-liter Deutz units. The torque increase was a top-level 38%. The emission technology included urea injection, common rail, and a viscous fan. The transmission was an in-house produced 30+30 with a three-stage power shift and power shift automation. The lifting capacity was the same 8.5 tons as in the Forterra HD. The front axle was a separate-sprung Carraro with 25 grease nipples to be lubricated every 100 hours. Cab suspension was also standard. The noise level was 73 dB. The controls were somewhat more basic than usual for tractors of this size, and there was no control armrest like on the Forterra HD.

In autumn 2018, the HD models received Stage 5 engines as well as updated instrument panels, controls, and seats. The 40 km/h speed was now reached at 1750 rpm instead of rated engine speed.

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Zetor Crystal 150-170

At the end of 2018, the Pininfarina-designed Zetor Major was introduced. The engine was still a 2.9-liter, 75-horsepower Deutz. The emission standard remained at level IIIB, which was achieved through common rail injection and an oxidation catalyst. The basic transmission was 12+12 with a mechanical reverser, and the lifting capacity was 2400 kg.

Alongside the base model named CL, the Major HS had been introduced the previous year, featuring more advanced technology. The transmission included a quick-shift gear allowing speeds of up to 40 km/h and a hydraulic reverser. The lifting capacity was 3300 kg. The cabin featured an adjustable steering column, a better swivel seat, a passenger seat, a hydraulic PTO clutch, lower noise levels, and a digital display. The hydraulics could be equipped with three valve blocks.

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Zetor Major CL/HS 80

In spring 2015, the Phase III B Zetor Majors introduced were equipped with 2.9-liter Deutz engines featuring common-rail injection, exhaust gas recirculation, and an oxidation catalyst. The transmission remained a 12+12 gearbox and the road speed was 30 km/h. The lift capacity was now rated at 2400 kg.

For 2018, the Major HS 80 was introduced, featuring a quick-shift gearbox and a hydraulic reverser.

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Zetor Major 60-80

More from this manufacturer

Zbrojovka, which started as a metal foundry, manufactured engines for German airplanes during World War II. At the same time, a tractor was developed, and production began in 1946. The tractor, named Zetor 25, had a 2-cylinder water-cooled swirl chamber diesel engine. It had 5 forward and 1 reverse gear. Advanced technology at the time included a differential lock. Additionally, steering brakes were part of the equipment. A mechanical lift was an optional accessory.

In 1951, the updated 25 A and its parallel model 25 K, designed for fieldwork, were introduced. Differences included, among other things, a portal front axle, tire size, engine maximum speed, and transmission gear ratios. The A model had a hydraulic lift as standard, and later the K model did too. The K model's speeds were much slower. Both models now had six forward and two reverse gears. The exhaust pipe was directed upwards, and the cabin was improved with better pedal placement and a new seat.

The 25 series remained in production until 1961. Nearly 160,000 units were produced in total, of which over 60% were exported. About 8,000 units ended up in Finland. The most common colors were pale green with yellow rims and brown with red rims, though several shades were used. Rarer red and blue versions had white rims. At the time, the resale value of Zetor tractors dropped quickly, but in the 1990s, the 25 gained popularity in Finland as a hobby tractor. The 25's 1-cylinder parallel model was the Zetor 15, of which about 2,200 units were produced.

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Zetor 25

In 1954, Zetor introduced the 42-horsepower Super, whose production got underway a couple of years later. The model was also known by the designations Super 35 or Super 42. The lineup also included the tracked tractor Super P. The 4.2-liter dry-sump lubricated direct-injection diesel engine produced 42 hp DIN. There were 5+1 gears, and later, a creep gear was available as an optional accessory. A tachometer was included in the standard equipment. The power take-off was dependent on the driving clutch. As with smaller Zetors, the differential lock was standard. The Super was available either in green or red. Both colors made their way to Finland, but the Super’s sales success fell far short of its smaller siblings, even though the price was reasonable.

In 1960, the engine received additional power. The ratings were now recorded as 50 hp DIN and 52 hp SAE. There were 8+2 gears across two ranges. The equipment now included a dual clutch. Over 128,000 Zetors Super were manufactured in Czechoslovakia. Production continued in Burma until 1975.

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Zetor Super

The Zetorin UR I series was introduced in 1960 but only went into production in 1962. There were three models with SAE power ratings of 25, 38, and 52 horsepower. The UR I was quite technically advanced for its time: standard features included, among others, a 10+2 gearbox, dual clutch, a wide range of gauges, a differential lock, hydraulically operated brakes, a weight transfer system, and a separate valve for external hydraulic use. As an optional extra, a factory-installed cab and a compressor were available. To use the steering brakes, a lever was used to select whether both, the right, or the left brake was engaged. There were six power take-off speeds available for local use. Additionally, a front power take-off was standard.

There were also four-wheel-drive versions of the 3- and 4-cylinder models, although these were not imported into Finland. The production range also included models with half and full frames. The series was produced in both blue and red colors. In Finland, the blue ones were more common. The 3011 received a rating of Very Poor for durability in the Vakola test report. Sales success in Finland also remained a fraction of previous models.

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Zetor 2011-4045

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In the spring of 1981, the Zetor 10 series was introduced in Finland. The color scheme had changed: the wheels and roof were now white, while the frame and cab were black. The headlights had been moved up into the grille. The roof module with its heater was manufactured in Finland. The battery under the cab was now on a sliding tray. The pedals were suspended, gears IV and V of the main gearbox were synchronized (not in the 5011 model), and there were some improvements to the controls; for example, the lift rod tilt adjustment was now located in the cab and the gear lever had been moved to the floor. In the new range, the proportion of four-wheel-drive models immediately rose to two-thirds, whereas at the same time, competitors in the small size classes remained below 50 percent. The hydraulic output and lifting capacity of the Zetor were very small compared to competitors. The power take-off could operate at 5 speeds for stationary use.

In the spring of 1984, additional work lights were added, the heater was improved, and the steering wheel shaft was equipped with two flexible joints.

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Zetor 5011-7045

At the beginning of 1985, the updated Crystals arrived in Finland. The new features in appearance included a beveled hood and a new color scheme. In the cab, new additions were five work lights, a tilt adjuster brought into the cab, and improved visibility of the tow hook. The clutch diameter was increased to 350 mm in the 4-cylinder models and to 380 mm in the 6-cylinder models. The four-wheel-drive clutch was a hydraulic multi-plate clutch. The engines had an updated injection pump, and the pedal effort for the clutch was reduced.

New in Finland was the turbo model 10145, whose power was reported as 98 or 100 hp. The torque increase percentage of the 10145 was a record low 3%. The durability of the 8145 was also criticized as being even weaker than older models. Another new model, the largest 16145, was not brought to Finland, nor were the power-restricted R-models of the 8145 and 12145. The 16145 had a heavier gearbox with only 12+6 gears. In 1985, the mild-turbocharged 9111/9145 and 14145 were introduced, which arrived in Finland in 1987.

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Zetor Crystal 8111-16145

At the end of 1984, the 12-series models, i.e., the results of the "fifth modernization program," were introduced to the Finnish market. Additional power was added to the lifting device and hydraulic pump, although the performance figures remained rather modest and the lifting device was still slow as before. The engines featured new injection pumps. The rear axle housing was strengthened, and the clutch was hydraulically actuated and self-adjusting. In the 4-cylinder models, gear ratios were modified with fieldwork in mind, but the top speed still remained below 30 km/h. Sound insulation in the cabin was improved. The engine hood was beveled more than before. The ends of the drawbars were telescopic.

In the autumn of 1987, the updated successors to the 6211/6245 and 7211/7245—the 7711/7745 (73 hp)—were introduced in Finland, having been announced a couple of years earlier. The four-wheel-drive models (except the 5245) now featured hydrostatic steering and a locking differential on the front axle. Road speed was increased to 35 km/h, and the brakes were disc brakes. Towards the end of their production, four-wheel-drive versions of these models and the updated 5245 were also available with a 10+10 shuttle gearbox. The updates to disc brakes and hydrostatic steering did not apply to the 5245. The 1990 novelty was the turbocharged 7745 Special (81 hp) available as a retrofit. At the same time, a specially equipped 7745 Jubilee was also offered, which included, among other things, 1000 rpm PTO, radio, and a Grammer seat. However, the model 5211 R (35 hp) was not imported to Finland.

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Zetor 5211-7745

In 1987, the Zetor tractors sold in Finland were given more speed.

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In the spring of 1990, the 200 series of large Zetor tractors was introduced. The Crystal lineup, which had reached 20 years of age, received a new cab, although its development compared to the previous model was minor. Access to the cab was somewhat easier, and the Grammer seat was on par with Western competitors. The cab came standard with two two-speed fans and a rear window wiper and heater. The tire sizes were larger than before.

There were small changes in the engine performance figures; the torque increase percentage of the 9245 model was as much as 24%, while the other models were content with increases of 12-18%. In Finland, both torque and weight figures were reported more favorably than, for example, in Germany. The smaller models had a synchronized 4-speed basic gearbox, while the 14245 and 16245 models had a 3-speed basic gearbox with 2 synchronized gears. The range gearbox with reverse gear was unsynchronized. The top speeds of the 6-cylinder models were still quite slow, although fast gearboxes were built domestically for those who needed them. The four-wheel-drive clutch was electro-hydraulic, and the front axle was equipped with an automatic dog clutch. Lifting capacities were reported cautiously, as OECD tests measured above 5-ton figures for the six-cylinder models.

When Czechoslovakia split in 1993, the situation at the Martin factory, which ended up in Slovakia, remained uncertain for some time, and imports were interrupted. The 6-cylinder models returned to Finland in 1996 under the ZTS brand. The front dog clutch had been replaced by a friction brake, and standard equipment had been reduced, including the removal of front weights. Production of the 4-cylinder models and the 14245 ended in 1997. The 14245 was replaced by the 12245 Super, which had the earlier 14245 engine but the lighter drivetrain of the 12245.

In 1999, the visually updated UR II C M98 models were introduced.

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Zetor Crystal / ZTS 9245-16245

The first completely new Zetor model range in over 20 years was the 40 series, also known as the UR III, which was launched in 1992. The tractor could have been developed by almost any manufacturer. In terms of features, it was ahead of basic tractors like the Valmet 65 series, but it did not have the latest refinements. A distinctive solution compared to other tractors was the use of compressed air for, among other things, engaging the four-wheel drive and the differential lock, alongside the tire inflation capability.

The first model introduced was the 84-horsepower 8540, followed soon after by the 9540 (96 hp). Later, the range expanded to include the intercooled 10540 (103 hp) and the naturally aspirated 7540 (71 hp), which was not imported to Finland. The new 4.2-liter engine was equipped with balance shafts and an oil cooler. It provided a fairly good amount of torque. Initially, transmission options included a 16+4 with a 2-speed hydraulic shuttle, an 8+8 with a mechanical reverser, and a 16+4 with creeper gears. In 1994, an 18+6 with a 3-speed hydraulic shuttle was introduced, which became the standard transmission for the 9540 and 10540. The main gearbox was synchronized, but the range gearbox, including the reverse gear, was not synchronized.

The cab ergonomics were fully on par with Western standards, although the interior was somewhat basic. Unfortunately, the noise level was high. The three-point hitch had a quick control activated by pressing a button. This function was also implemented pneumatically. The sensing was done via the lift arm, which in this respect was a step backward compared to the Crystal model. The Carraro front axle was equipped with a friction lock. Some experienced durability problems with the front axle drive shafts. Separate pumps were provided for steering and the shuttle. At 4 tons, the tractor was lightweight in its power class.

In 1996, a more powerful hydraulic pump and three-point hitch were introduced, becoming standard in Finland. Additionally, a Bosch electric hitch lift was available, which included draft sensing for the lift arms. Forestry cabs were also built in Finland for these models.

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Zetor 7540-10540

In the autumn of 1993, Zetor’s refreshed UR I model range was renumbered in the style of the larger X540 series. The 5211/5245 models were replaced by the 3320/3340 (51 hp), the 6211/6245 by the 4320/4340 (61 hp), and the 7711/7745 by the 6320/6340 (72 hp). The successor to the 7745 Special didn’t arrive until 1995, when it was introduced as the 7320/7340 (81 hp). Turbocharging was now factory-fitted, raising torque by 14–18 %.

The most important new feature was a powershift gearbox with a reverser offered as standard on the four-wheel-drive models. Unfortunately, the reverser was unsynchronized. The 6320–7320 models also received a substantial boost in lifting capacity (3 500 kg). Except for the smallest model, the clutch diameter was 12 inches.

When the 7340 was launched in 1995, all models received the Carraro front axle.

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Zetor 3320-7340

In 1994, ZTS Martin introduced the UR IV series tractors alongside the UR II tractors. The UR IV models featured a 7.3-liter engine and a new fully synchronized gearbox with either 16+16 or 32+16 gears. The four-wheel drive transmission was integrated into the gearbox. The hydraulic output was 66.6 liters, and the lifting capacity, depending on the source, was either 7 or 7.75 tons. The rear axle was more robust than before. ZTS's production volumes in the late 1990s were around a thousand tractors annually. After 2002, the numbers became very small. At that time, more Ursus 1734-1954 series tractors were manufactured in Martin.

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ZTS 12345-18345

The seventh update of the Zetor UR I series took place in spring 1996. However, the model range known as Super Vision did not enter production until 1997 and only reached Finland in autumn 1997. In terms of appearance, this was the largest single change in the line’s history since it began in 1960, and technically it introduced more development than most of the earlier revisions.

Thanks to the new Vision cab, ergonomics improved to nearly Western European standards. The cab was now built in the Czech Republic instead of Slovakia. The gear levers were moved away from the driver’s feet. The non-synchronized reverser lever was on the left and the main gear lever on the right. The two largest models had a top speed of 40 km/h. Four-wheel drive and the differential lock were now engaged electrically via compressed air, and four-wheel drive could be activated on the move. Noise levels, however, remained high. A plastic fuel tank located under the cab was noticeably larger than before, and the front end’s sloping design looked modern.

All four-cylinder engines were now 3.9 liters in capacity. The engines featured a balance shaft and a separate cylinder head for each cylinder. On external hydraulics, the two largest models now had three blocks instead of the previous one, and hydraulic output increased to 50 liters per minute. Lifting capacity was again raised. Draft sensing was still done via the lift arm. The combined oil capacity for hydraulics and transmission was doubled to 64 liters, so there was plenty of oil even for implements. The Carraro-made front axle on the two biggest models had separate wet disc brakes, and the rear disc brakes were now also oil-immersed.

From the late 1990s onward, the reverser could be replaced by an over-drive gearbox, giving 20 + 4 speeds.

Alongside the Super Visions, some markets offered more simply equipped models called 3320 Major through 7340 Major. Production of the Majors continued even after the Proxima models were introduced in 2004.

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Zetor 3321-7341

At the beginning of 1999, the 40-series, which was introduced in 1992, was updated. The new model series was named Forterra. Alongside the previous three turbocharged four-cylinder engines, a naturally aspirated six-cylinder engine purchased from Same/Lamborghini was introduced in the 11641 model (110 hp). The six-cylinder featured an electronic injection pump. The transmission was upgraded, now offering 24+18 gears, and the direction reverser was synchronized. The power shift was still a three-stage hydraulic system. Hydraulic output was now always 60 l/min in the four-cylinder models and 70 l/min in the six-cylinder model. Lifting capacity was increased from before. Bosch electric lift was standard on the six-cylinder and optional on the four-cylinder models.

The appearance was almost unchanged. The cab had curved glass and a redesigned, sleeker dashboard and instrument panel. Like Lamborghini, the 11641 had memory for two electronic hand throttle positions. Noise level was reduced to 79 decibels. The cab could still be ordered with forestry equipment. Forterra sales in Finland remained low as factory difficulties began, eventually leading to Kesko ceasing imports.

In 2000, the six-cylinder was equipped with a turbocharger, increasing power to 116 horsepower.

In 2002, a renewal took place, focusing mainly on streamlining the exterior appearance.

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Zetor Forterra 8641-11641

The redesigned M98 models, introduced in 1998, arrived in Finland at the beginning of 1999. The engine hood and side panels were made of fiberglass. The cabin was renovated in terms of interior design and equipped with glass wool insulation. In Finland, the Grammer air suspension seat was standard, and air conditioning was available as an optional extra. The synchronization of the transmission had been improved, and the steering hydraulics enhanced. The top speed of the 12245 models imported to Finland was 38 km/h. Additionally, traffic tractor transmissions were built in Finland. The engagement of the four-wheel drive and the front axle lock were controlled electrically from the dashboard. As an alternative to the engageable gear tooth lock, an automatic friction brake was still available, but it was not imported to Finland. In other respects, the technology was consistent with the familiar Crystal model.

Initially, the lineup only included 6-cylinder models (12245, 16245, and the turbocharged 12245 Turbo in Finland), but later the lineup also included 8211/8245, 9211/9245, 10211/10245, 11211/11245, and 14245. However, these were no longer imported to Finland. Starting from 2000, the 16245 models sold in Western countries featured oil-bath disc brakes and more robust axles.

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ZTS 12245-16245

Alongside the Zetor Super Vision models, a simpler Major series was marketed. It was specifically aimed at Eastern Europe and other markets with lower requirements, but it was also sold in many Western European countries. The cab was completely new but quite basic. The gear levers were in the middle. The transmission was a traditional 10+2, but later a power shift and directional shift transmission were also available. In other equipment, the factory gave importers a lot of options.

In some countries, the model series was called Zetor Agro. In Germany, the models were known by power rating designations Major 450 – 790. The successor to the Major was the Zetor Antar, for which no version complying with the EU emission regulations was made. After a short pause, however, the Major returned to the lineup again.

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Zetor Major 3320-7340

The exterior design of the Forterra model line introduced in 1999 was streamlined in 2002. The engine specifications were slightly improved. The new model was the 110-horsepower 11441. The engine oil change interval was still only 200 hours. The hydraulic output was increased to 70 liters per minute and the lifting capacity to 5800 kilograms. The electric lift device was now standard. There are significant differences in the stated measurements and weight data between different countries. The information listed here should be without front weights or front lift equipment.

The updated Forterras came to Finland only in the summer of 2004, brought by the new importer, Zetra Oy.

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Zetor Forterra 8641-11741

Zetor Proxima was introduced in 2004 as a replacement for the Super Vision. The old engines were replaced with larger, turbocharged units sourced from the Forterra. A 35% increase in torque was promised. The basic gearbox remained the same as before, but the shuttle-shift model gained two extra gears. Unlike most other tractors of the 2000s, the rear axle used a conventional portal-gear design. Four-wheel drive engagement was electric, and the front axle was still built by Carraro. Only one hydraulic valve was standard equipment. The power take-off still offered multiple speeds for stationary (local) use in different gears. A 1000 rpm PTO was available as an option.

The three-point hitch was always mechanically operated. The two largest models delivered a healthy 4150 kg of lift capacity. On the four-cylinder versions, the exhaust pipe ran up the cab pillar. The cab noise level remained at 83 dB.

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Zetor Proxima 5421-8441

In the fall of 2007, a more powerful 4-cylinder 12241 engine was added to the Forterra lineup, and the other models also received Tier III-compliant engines equipped with a viscous fan. Standard features included air conditioning, an air-suspended seat, and mill tires. The cab roof section was redesigned, small changes were made to the appearance and coloring, and the Carraro front axles were new. At the beginning of 2008, importation was transferred to H.C. Petersen.

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Zetor Forterra 9641-11741

Zetor Proxima for the year 2008 received stylish headlights at the front. The cab roof section was also renewed. The engine hood was a single piece and hinged at the rear. The engines were upgraded to comply with Tier III standards and equipped with viscous fans. The front axle was more robust than before. The noise level in the cab was reduced by two decibels. Otherwise, the changes focused on incorporating previous optional features into the standard equipment. For example, a 12+12 gearbox, 3-valve cylinder heads, and 1000 rpm PTO were now standard. The new importer, H.C. Petersen, boldly included models with safety roll bars in the import program.

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Zetor Proxima 6441-8441

The Zetor Proxima range was supplemented with the Proxima Plus models in the spring of 2007. The most significant differences of the Plus models compared to the Proxima models were a 2-speed power shift and an electro-hydraulic PTO control. The engines had a viscous fan and an intercooler, which were introduced to the Proxima models only a year later. There were 16+16 gears, and the power shift buttons were located on the main gear lever. The hydraulic system with draft control was the same as in the Proxima. The PTO at 1000 rpm was standard and was based on changing the axle end.

Already in the fall of 2007, the Plus models were updated like the other Proxima models. The engine hood was changed to a one-piece, sleekly designed version. There were small changes to the controls, and the cab noise level decreased to 81 decibels. Only the updated versions were imported to Finland.

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Zetor Proxima Plus 8541-10541

Zetor Proxima model designations were changed to indicate horsepower in the spring of 2009. There were small differences in engine performance compared to the previous models. A year later, the model numbers were increased by 5 without significant changes. In 2014, models compliant with the Stage III B emission standards were introduced for the 90 and 100 models.

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Zetor Proxima 65-100

In the autumn of 2009, the redesigned Forterras could be easily recognized by their streamlined headlights. The lineup’s newcomer was the 136-horsepower Forterra 135, and the engines in the other models also received updates. The injection pumps were still mechanical, but the 135 featured four-valve technology. The oil-change interval was extended to 500 hours. The decades-long practice of using long model numbers was dropped, and the model number now corresponded to the horsepower rating.

Technically, the Forterra remained a fairly basic tractor. The power-shift transmission had three ranges, and the direction changer was mechanical. The cab’s noise level was 81 dB. Production of these model versions continued for other markets even after the new 100–140 models were introduced for markets requiring Tier IIIB compliance.

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Zetor Forterra 95-135

The Zetor Proxima Plus models also received updated model designations and minor changes to engine specifications in spring 2009. In 2014, models compliant with Stage IIIB emission standards were introduced.

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Zetor Proxima Plus 85-110

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There was still room for one more version between the Zetor Proxima Plus and Forterra. The range was expanded upward by another 10 horsepower with the model 115 (numbered 120 in 2010). Like the Forterra, the Proxima Power had a 3-speed power shift, but the rest of the basic technology was from the Proxima series. New in Zetor was the electro-hydraulic direction reversal. The fuel tank was 175 liters, and the cab noise level was stated to be 78 dB. The trailer brake valve was standard, and the front axle had wet disc brakes. The optional DeLuxe package included air conditioning, an air-suspended seat, a radio, a passenger seat, and Michelin tires (380/480). In 2014, models compliant with the Stage III B emission standard were introduced.

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Zetor Proxima Power 85-120

Zetor Major returned to the lineup in a single 77-horsepower version. The engine was now a newer-generation 4.2-liter unit equipped with an intercooler and mechanical fuel injection. The transmission was a 12+12 gearbox with a mechanical reverser and no creeper gear. Road speed was only 30 km/h. Lift capacity was 2,600 kg. The hydraulics came standard with one pair of external service couplings. The exhaust pipe was in the A-pillar, and the noise level was a moderate 78 dB. The Major arrived in Finland in spring 2013.

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Zetor Major 80

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In 2012, Forterras that met Tier III B requirements were introduced to the market. The engines were now 16-valve in all models and had slightly more torque than before. The wheelbase was 10 cm longer than previously. The lifting capacity was now 7 tons as standard in most countries. The transmission was still a 24+18 with a mechanical shuttle and a 3-step powershift.

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Zetor Forterra 100-140

At the beginning of 2012, the Forterra lineup received more generously equipped HSX versions. The transmission was a 30+30 with a hydraulically controlled reverser lever located to the left of the steering wheel. Instead of the basic model's four range gears, there were five. The wheelbase in the HSX models was 10 cm longer, and the fuel tank capacity was 220 liters. In Finland, standard equipment included, among other things, manual air conditioning, cab suspension, four-wheel drive and differential lock automation, trailer brake valve, 3 hydraulic circuits, and heating for the rear window and exterior mirrors.

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Zetor Forterra HSX 100-140

At the beginning of 2014, the Forterra HD models were introduced. The engines were, as before, 4.2 liters with a power output of 127-147 hp. The transmission was the same 30+30 with a three-speed power shift as in the HSX models. The lifting capacity was increased to 8.5 tons, and for an additional price, a 120 l/min piston pump was available for the hydraulics. The lifting equipment on the HD model complied with Category III. The front axle was a separately sprung Carraro. The wheelbase was 13 cm longer than that of the HSX models. The most noticeable difference compared to the cheaper models was the control panel with joysticks. Programmable headland automation was available as an optional extra. The problem with the Forterra HD was the price, which rose above that of similarly equipped Western European brands.

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Zetor Forterra HD 130-150

In the spring of 2016, the updated Forterrat CL models were introduced, although the red-rimmed design was already showcased at the previous autumn's Agritechnica. The Tier 4 emission requirements were met with urea and a particulate filter. The lifting capacity was now 7.7 tons. The transmission was still 24+18 with a mechanical reverser and a 3-speed quick shift. The fuel tank had increased to 230 liters. The instrument panel and control devices had been updated.

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Zetor Forterra CL 100-140

The 2016 Forterra HD models featured engines with urea injection as well as updated instrument clusters and controls. The transmission was the same 30+30 with a three-stage power shift as in the HSX models. A top speed of 40 km/h was already reached at 1,800 rpm. Lifting capacity was 8.5 tonnes, and for an extra charge you could equip the hydraulics with a 120 l/min piston pump. The front axle was a Carraro independent suspension. The wheelbase was 13 cm longer than that of the HSX models. The most visible difference from the cheaper models was the control panel with its joystick. Programmable headland automation was available as an optional extra, and the fuel tank had been enlarged to 270 litres.

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The post-red HSX models came at the beginning of 2016. The engines now had urea injection. The instrument panel was new, and there were updates to the control devices. The transmission was a 30+30 with a hydraulic directional changer controlled from the left side of the steering wheel. Instead of the basic model's four range gears, there were five. The 8.5-ton lifting capacity was made standard equipment. The wheelbase in the HSX models was 10 cm longer, and the fuel tank was increased to 270 liters.

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The Zetor Proxima series was redesigned at the beginning of 2017. The base model was designated CL, and the Plus model became GP. The engines retained basic technology wherever possible. By classifying the Proxima as a narrow special tractor, it was possible to sell 3B emission standard tractors also in the EU. The injection pump was mechanical. A particulate filter and exhaust gas recirculation were sufficient for the 3B level. The level 4 models also featured urea injection.

In some markets, the basic transmission with 10+2 speeds was still offered. In most Western countries, the base level CL model had a 12+12 mechanical shuttle transmission. The GP model had 16+16 speeds with a hydraulic quick-shift and mechanical shuttle. The wheelbase of the CL model was extended by about 10 centimeters compared to before. The CL model had a mechanical lifting device, while the GP models offered an optional Bosch electric lifting device. Sensing was done in the traditional way through the pushrod. The noise level was stated as 78 dB, but test results showed noise levels of just over 80 dB.

For 2020, the design was modernized and the heating system was enhanced.

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Zetor Proxima CL/GP 80-110

The most advanced version of the Zetor Proxima series in that year was the HS, equipped with a 3-speed quick gear and a hydraulic direction reverser. The engines were 4.2-liter inline-fours fitted with mechanical injection pumps. However, a particulate filter and exhaust gas recirculation were included as standard equipment. Both Stage IIIb and IV versions were available, the latter featuring urea injection. The wheelbase was just over 10 cm longer than other Proxima models. In Finland, the standard features included an electric three-point hitch, 60 l/min hydraulics, a push-button clutch, an air-suspended seat, and an air conditioning system.

For the year 2020, the design was modernized and the heating system was enhanced.

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Zetor Proxima HS 80-120

In 2020, the redesigned Forterras were introduced. The engines now complied with emission level 5. The 4.2-liter engine in the Classic models had 5 power classes ranging from 96 to 136 hp. The transmission was still 24+18 with a mechanical direction reverser and a 3-speed quick shift. The lifting capacity was 7.7 tons. New features in the cab included a work lights control panel and an improved heating system.

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In the summer of 2020, the Forterras received a Pininfarina exterior design similar to that of the Majors and Proximas earlier. The engines now met the level 5 emission requirements. The HSX models were available with 117…136 horsepower and the HD models with 127…147 horsepower. The transmission in these models was a 30+30 equipped with a 3-speed powershift, hydraulic reverser, and push-button clutch. The open hydraulics delivered 70 l/min in the HSX models and 85 l/min in the HD models. The HD had electric hydraulic valves. The lifting capacity was 8,500 kg and the electronic control of the three-point linkage was Bosch. The HD models had pneumatic front axle suspension and coil springs in the cab. The heating and air conditioning system was updated in the 2020 model. The HD had a standard folding mechanism on the front mudguards.

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Zetor Forterra HSX/HD 120-150

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