Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 255 Technical Data

MF 255 Engine Specifications

Diesel Engine

Engine Model ..................... Perkins AD4.203
Engine Type ..................... 4-Stroke, 4-cylinder diesel
Number of Cylinders ..................... 4
Displacement, cu.in (L) ..................... 203 (3.30)
Engine Bore, in (mm) ..................... 3.60 (91.0)
Engine Stroke, in (mm) ..................... 5.00 (127.0)
Aspiration ..................... Natural
Rated Engine Power, hp (kW) ..................... 55.0 (40.7)
Rated Engine Speed, rpm ..................... 2000
Compression ..................... 18.5:1
Firing Order ..................... 1-3-4-2
Fuel Tank Capacity, gal (L) ..................... 18.5 (70.0)
Coolant Capacity, qts (L) ..................... 11.0 (10.4)
Oil Capacity, qts (L) ..................... 8.5 (8.0)
Electrical System Rating, Volts ..................... 12
Charging system ..................... Alternator
Alternator Rating, Amps ..................... 37

Gasoline Engine

Engine Model ..................... Perkins AG4.212
Engine Type ..................... 4 Stroke, 4-cylinder liquid-cooled gasoline
Number of cylinders ..................... 4
Displacement, cu.in (L) ..................... 212 (3.50)
Engine Bore, in (mm) ..................... 3.90 (98.0)
Engine Stroke, in (mm) ..................... 4.50 (114.0)
Maximum Power, kw (hp) ..................... 55.0 (40.7)
Rated Speed, rpm ..................... 2000
Compression ratio ..................... 7.0:1
Firing order ..................... 1-3-4-2
Fuel System Type ..................... Carburetor
Fuel Tank Capacity, gal (L) ..................... 18.5 (70.0)
Coolant Capacity, qts (L) ..................... 11.0 (10.4)
Oil Capacity, qts (L) ..................... 6.0 (5.7)
Electrical System Rating, Volts ..................... 12

Power Take-Off

PTO Operational Type ..................... Live
PTO Horsepower, hp (kW) ..................... 50.0 (37.3)
PTO Speed, rpm ..................... 540
PTO / Engine Speed, rpm ..................... 540/1700

Massey Ferguson 255 Transmission

Transmission Type ..................... 8F/2R, Gear
Number of Forward Speed ..................... 8
Number of Reverse Speed ..................... 2
Clutch ..................... Dry disc
Oil Capacity, qts (L) ..................... 26.4 (25.0)
Maximum Forward Speed, mph (kph) ..................... 18.6 (30.0)
Maximum Reverse Speed, mph (kph) ..................... 7.7 (12.4)

Transmission Type ..................... Multi Power
Gearbox Type ..................... 12F/4R, Partial powershift
Number of Forward Speed ..................... 12
Number of Reverse Speed ..................... 4
Clutch ..................... Dry disc
Maximum Forward Speed, mph (kph) ..................... 18.5 (29.8)
Maximum Reverse Speed, mph (kph) ..................... 9.4 (15.1)

MF 255 Wheels and Tires

Drive Wheels ..................... 2WD 4x2
Steering Configuration ..................... Front Steer
Steering System ..................... Power Steering
Brakes Type ..................... Differential dry disc
Front Tire Size (Std) ..................... 6.0-16
Rear Tire Size (Std) ..................... 16.9-24
Front Tire Size (Row Crop) ..................... 5.5-16
Rear Tire Size (Row Crop) ..................... 14.9-38
Front Tire Size (Low Profile) ..................... 7.5-10
Rear Tire Size (Low Profile) ..................... 14.9-24
Front Track Width (Std), in (mm) ..................... 48-72 (1210-1820)
Rear Track Width (Std), in (mm) ..................... 56-90 (1420-2280)
Front Track Width (Row Crop), in (mm) ..................... 52-76 (1320-1930)
Rear Track Width (Low Profile), in (mm) ..................... 55-87 (1390-2200)

Massey Ferguson 255 Hydraulics and Hitch

Hydraulic System Type ..................... Open center
Implement Pump Type, gpm (Lpm) ..................... Gear
Implement Pump Flow, gpm (Lpm) ..................... 10.0 (38.0)
Steering Pump Flow, gpm (Lpm) ..................... 5.0 (19.0)
Hydraulic Pressure, Bar (psi) ..................... 159 (2300)
Hydraulic Fluid Capacity, gal (L) ..................... 8.0 (30.3)
Number of Standard Remote Valves ..................... 0/2
3-Point Hitch Category ..................... 1/2
Standard Lift Capacity at lift pin, lb (kg) ..................... 3800 (1720)

MF 255 Dimensions and Weight

Wheelbase, in (mm) ..................... 82 (2080)
Length, in (mm) ..................... 126.5 (3210)
Height (Hood), in (mm) ..................... 63.1 (1600)
Ground Clearance (Std), in (mm) ..................... 16 (400)
Ground Clearance (Row Crop), in (mm) ..................... 19.6 (490)
Ground Clearance (Low Profile), in (mm) ..................... 10.4 (260)
Shipping Weight (Gasoline), lb (kg) ..................... 5600 (2540)
Shipping Weight (Diesel), lb (kg) ..................... 5850 (2655)
Operating Weight (Gasoline), lb (kg) ..................... 6140 (2785)
Operating Weight (Diesel), lb (kg) ..................... 6415 (2910)

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MF TRACTORS SPECIFICATIONS

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MF FRONT END LOADERS

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MF TRACTORS MAINTENANCE

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MF TRACTORS TROUBLESHOOTING
1652 1749 2620 2725 2805
3050 3120 3640 3709 4245
4455 5320 5455 5613 6150
6280 6480 6615 7618 7720