Nuffield / Leyland / Marshall

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The 6-cylinder models 285 and 2100 were more robust than the 4-cylinder ones in many ways: they had more lifting power, oil-immersed brakes, hydrostatic steering, a standard 1000 rpm power take-off, and a stronger rear axle manufactured by County. The 6-cylinder models were also equipped with County four-wheel drive, in which case the model designations were 485 and 4100. In Finland, these models also used the British Victor Euroscan cab. The 285–4100 models also received silver-colored striping at the same time the 262 and 272 were introduced.

In the autumn of 1975, the model 255 was replaced by the 262, and the 270 was replaced by the 272. The visible difference compared to the previous models was the silver-colored stripes. Along with the new model series, Finland also switched to the original Q-cab manufactured by Victor, which was criticized for inadequate ventilation, high noise levels, and peculiar pedals.

Primarily, international technical data has been used here. In Finland, power was indicated somewhat higher according to the BS standard. Lifting capacities and other specifications were also reported as higher in Finland.

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Tractors

Leyland 262-4100

In the autumn of 1984 the six-cylinder Marshall 100 was introduced, using the same Leyland 6/98 engine as the six-cylinder Leyland tractors. The engine developed 103.5 hp. A little later that same year the turbocharged Marshall 115 was launched, its horsepower rating matching its model designation. Both engines were equipped with a viscous fan. The 100 was also available as a two-wheel-drive model, while the 115 was only offered in four-wheel drive. In 1988 the 125 was introduced to replace the 115.

The gearbox offered 20 forward and 9 reverse gears, of which 8 forward and 4 reverse were in the so-called creep range. Even in the lowest gear the maximum speed was 1.6 km/h. The transmission, made by ZF, was largely the same as in the IH 1255/1455. The clutch was 13 inches in diameter. The cab, made by Sekura and called the Explorer, was almost identical to those in the smaller models, though the interior trim had been slightly upgraded. The new technology feature was an electric lift. Lifting capacity was 4.5 tonnes and feedback was through the draft arms. The front driveline shaft for four-wheel drive was on the left side. A trailer brake valve was standard equipment.

Production of the Marshall 100 continued until 1989, as did that of the smaller Marshalls. The 115 and 125 remained rare. After Leyland engines went out of production, there were plans to continue these models with Perkins engines, but that project never progressed beyond the prototype stage.

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Marshall 100-125

For the year 1981, the Leylands turned yellow. The 262 was replaced by the 602, the 272 by the 702, and the turbocharged 282 by the 802. The corresponding 4-wheel drive models had a model number ending in 4. The 502 equipped with a Perkins 3-cylinder engine and the small tractor 302 were not imported to Finland. The cab in the models brought to Finland was the Sekura Explorer. A more basic QM cab based on the old design was also available. Exterior changes were minimal, but there were more updates in the technology.

The hydraulics now featured a double pump with a capacity of 55 liters per minute, and the hydraulics were powered directly from the engine. Draft control was still in use. The brakes were now oil-immersed.

Marshall bought Leyland's tractor production in 1981, and the brand changed to Marshall at the end of 1982. At the same time, imports to Finland ended. The Marshalls also had XL versions, which included crawler gears (15+5) and a slightly longer wheelbase. The lineup was expanded with the 92-horsepower 904 at the end of 1984. The small 302 was replaced in 1986 by the angular 132. It was essentially an IMT 539 fitted with Marshall fenders and a Duncan cab. It had a 35-horsepower Perkins engine manufactured by IMT.

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Leyland / Marshall 302-804

In March 1978, the old 10+2 gearbox was replaced with a synchronized 9+3 gearbox. The gearbox was one of the first where engaging the reverse gear was possible without completely stopping the tractor. However, the range gearbox was still unsynchronized. The range shift lever was on the left side of the driver, and the main gear shift was on the right. The external change was the red stripes on the decals. New features introduced included the four-wheel-drive models 462 and 472, equipped with a Carraro front axle and a central driveshaft.

At the end of 1979, a turbocharged 282/482 (82 hp) was introduced, and with its introduction, the production of 6-cylinder models ended.

From the beginning of 1980, the models imported to Finland were equipped with the Sekura cab.

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Leyland 245-482 Synchro

The last attempt to revive Leyland tractors was JWD, which bought the remains of the Marshall factory. Like the Marshall 752-954, Perkins engines were used in JWD Fieldmasters. In the 274/474 models, the engine was naturally aspirated, and in the larger ones, turbocharged. The standard number of gears was 9+2, meaning the previously largest reverse gear was no longer available. With creeper gears, the total was 15+4 gears.

The brochure mentions that the clutch was redesigned. Otherwise, the differences in technical specifications compared to the Marshalls were limited to tire sizes and a smaller fuel tank than before. The Explorer cab was also unchanged. Only the gauges looked different compared to the Marshalls. The cab could be tilted to the side for maintenance work.

JWD production ended in 2003, and only about 50 tractors were manufactured.

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JWD Fieldmaster 274-494

In 1987, the Leyland-based models were replaced with new Marshall 752/754, 852/854, and 954 models, which featured Perkins 3.9-liter engines. The angular exterior was new, but the Explorer cab remained almost unchanged. However, the cab now had a separate cold air blower and an air filter that was easier to clean. The transmission in the X models was the old 9+3, and in the XL models, it was a 15+5 with crawler gears. The drivetrain was partially reinforced. The front-mounted fuel tank was significantly larger than before. All models now had a long wheelbase, which resulted in a large turning radius.

Sales of Marshall remained low, and production ended in 1989. After this, Steyr tractors were sold for a short time as Marshalls in England.

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Marshall 752-954

At the end of 1972, the Leyland model designations were updated: the 253 became 245, the 344 became 255, and the 384 became 270. The last digits indicated the engine power. The updated engines of the 255 and 270 featured, among other things, larger valves and thicker cylinder liner walls. In Finland, the 3- and 4-cylinder models were still equipped with a Junkkari cab instead of the original Q cab. The 245 received the Q cab in 1976.

At the same time, the lineup was supplemented with 6-cylinder models 285 and 2100 (see 262-4100).

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Leyland 245-270

More from this manufacturer

JWD 274/474

malli

hinta (sis. alv)

Series specifier

Manufacturer name

Model specifier

Imported to Finland

Years

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

ilmaistuin

ohjauksen tyyppi

JWD 284/484

JWD 294/494

Etusivu

Ajoneuvot ja ympäristö

Huolto ja tekniikka

Lukijan idea

Maarakennus

Maatalous

Osastot

Metsä

Pääkirjoitus

Uutiset

Weteraani

Yritykset ja tapahtumat

Koneviesti

Lehdet

Konedata

Palvelut

Tilaa Koneviesti

Asiakaspalvelu

Jätä ilmoitus

Tilaa uutiskirje

Lähetä uutisvinkki

Lähetä palautetta

Lähetä oikaisupyyntö

Toimituksen yhteystiedot

Mediamyynnin yhteystiedot

Ota yhteyttä

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Model	JWD 274/474	JWD 284/484	JWD 294/494
Manufacturer name	JWD	JWD	JWD
Imported to Finland	No	No	No
Years	1993-2003	1993-2003	1993-2003
Engine model	4.236	T4.236	T4.236
Cyl/Turbo/Intercooler	4	4T	4T
Displacement	3860 cm³	3860 cm³	3860 cm³
Bore x stroke	98,47×127 mm	98,47×127 mm	98,47×127 mm
Rated power	74/2200 hp DIN/rpm	85/2200 hp DIN/rpm	94,5/2200 hp DIN/rpm
Torque	-	-	-
Gears	9+2	9+2	9+2
Synchronized gears	9+2	9+2	9+2
Speeds in km/h	3,6-32,7	3,6-32,7	3,6-32,7
Hydr. flow l/min	59 l/min	59 l/min	59 l/min
Lift controls	mech.	mech.	mech.
Lift capacity	1815 kg	2360 kg	2900 kg
PTO speeds	540/1000	540/1000	540/1000
Brakes	wet disc	wet disc	wet disc
Steering	hydrost.	hydrost.	hydrost.
Turning circle m 2WD	7.2	7.2	7.2
Turning circle m 4WD	11.33	11.33	11.33
Front tyres 2WD	7.50-16	7.50-16	7.50-16
Front tyres 4WD	12.4R28	12.4R28	12.4R28
Rear tyres 2WD	16.9-30	16.9-34	16.9-34
Rear tyres 4WD	16.9R30	16.9R34	16.9R34
Weight 2WD	3406 kg	3520 kg	3528 kg
Weight 4WD	3756 kg	3870 kg	3876 kg
Height with cab	264 cm	264 cm	264 cm
Length (2WD/4WD)	390/395 cm	390/395 cm	390/395 cm
Wheelbase (2WD/4WD)	225/233 cm	225/233 cm	225/233 cm
Fuel tank	107 l	107 l	107 l
Solid cab	x	x	x
Diff. lock	friction lock	friction lock	friction lock
Creeper gear	opt.	opt.	opt.