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

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

Malli

Hinta (sis. alv)

Series specifier

Manufacturer name

Model specifier

Imported to Finland

Years

First year sold

Last year sold

Engine model

Cyl/Turbo/Intercooler

Displacement

Bore x stroke

Rated power

Max power

Torque

Gears

Creeper speeds

Synchronized gears

Powershift gears

Reverser

Speeds in km/h

Max. speed 

Hydr. flow l/min

Hydraulic pressure

Lift controls

Lift capacity

PTO speeds

Brakes

Steering

Turning circle m 2WD

Turning circle m 4WD

Front tyres 2WD

Front tyres 4WD

Rear tyres 2WD

Rear tyres 4WD

Weight 2WD

Weight 4WD

Height with cab

Length (2WD/4WD)

Wheelbase (2WD/4WD)

Fuel tank

Cab noise level

Solid cab

Diff. lock

Autom. differential locks

Air suspension seat

Air conditioning

Trip computer

Creeper gear

Sylinterien lukumäärä

Iskutilavuus

Iskusuhde

Suurin vääntömomentti, Nm

Suurin vääntömomentti, r/min

Vääntömomentin nousu

Polttonesteen kulutus suurimman tehon pisteessä

Kytkimen tyyppi

Ajovoimanotto

Nopeus eteenpäin moottorin nimellisnopeudella, pienin

Nopeus eteenpäin moottorin nimellisnopeudella, suurin

Jarrut

Hydrauliikan suurin paine

Hydrauliikan suurin tuotto

Nostolaitehydrauliikan hallinta

Ulkopuolinen hydrauliikka, venttiililohkoja

1-toimisia

2-toimisia

Nostovoima (kN=100 kg)

Hydrauliikan tyyppi

Kääntöympyrän halkaisija ilman ohjausjarrua

Eturenkaat

Takarenkaat

Kokonaismassa säiliöt täynnä vakiovarustein

Etuakselipaino

Taka-akselipaino

Suurin korkeus (ohjaamon ylimpään kohtaan)

Kokonaispituus

Akseliväli

Maavara, pienin

Polttoainesäiliön tilavuus

Korkein melutaso

Etuakselin tasauspyörästön lukko

Etunostolaite

Etulokasuojat

Ilmastointilaite

Perävaunun jarruventtiili

Etusivu

Ajoneuvot ja ympäristö

Huolto ja tekniikka

Lukijan idea

Maarakennus

Maatalous

Osastot

Metsä

Pääkirjoitus

Uutiset

Weteraani

Yritykset ja tapahtumat

Koneviesti

Lehdet

Konedata

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