The Massey Ferguson 255 is a two-wheel tractor, manufactured by Massey Ferguson from 1975 to 1981. The Massey Ferguson 255 tractor was available in three variants: standard, row-crop and low-profile.
The Massey Ferguson 255 tractor could be equipped with three engine options (two diesel and one gasoline) and two transmission options: gear type transmission with 8 forward and 2 reverse or Multi-Power transmission with 12 forward and 4 reverse (three speeds in two ranges plus two-speed power shift).
The following engines were available on the MF 255 tractor:
- Perkins AG4.212 gasoline engine. It is four-cylinder naturally-aspirated liquid-cooled gasoline engine. An 98.4 mm (3.87 in) cylinder bore and 114.3 mm (4.5 in) piston stroke give the motor a total of 3.48 l (212 cu.in.) of displacement. Compression ratio rating is 7.0:1. This motor produced 50.7 PS (37.3 KW; 50.0 HP) of output power on PTO-shaft.
- Perkins AD4.203 diesel engine. The Perkins AD4.203 is a 3.33 l (203 cu.in.) four-cylinder naturally-aspirated liquid-cooled diesel engine. Bore and stroke are 91.5 mm (3.6 in) and 127 mm (5 in), respectively. Compression ratio rating is 18.5:1. This motor produced 50.7 PS (37.3 KW; 50.0 HP) of output power on PTO-shaft.
- Perkins A4.236 diesel engine. The A4.236 is a 3.87 l (236 cu.in.) four-cylinder naturally-aspirated liquid-cooled diesel engine. Bore and stroke are 98.4 mm (3.87 in) and 127 mm (5 in), respectively. Compression ratio rating is 16.0:1. This motor produced 52.8 PS (38.8 KW; 52 HP) of output power on PTO-shaft.
The Massey Ferguson 255 used hydrostatic power steering, differential dry disc brakes, two-stage clutch, and differential lock operated by foot pedal. The Massey Ferguson 255 used open operator station with a two-post rollover protection structure (ROPS).
Massey Ferguson 255 specifications
| General Specifications | |
| Model | Massey Ferguson 255 |
| Length | – |
| Width | – |
| Height | Standard: 1,600 mm (63.1 in.) Row-crop: 1,770 mm (69.6 in.) Low-profile: 1,460 mm (57.6 in.) |
| Wheelbase | 2,080 mm (82 in.) |
| Ground clearance | Standard: 400 mm (16 in.) Row-crop: 490 mm (19.6 in.) Low-profile: 260 mm (10.4 in.) |
| Weight (operating) | Gasoline: 2,785 kg (6,140 lb.) Diesel: 2,909 mm (6,415 in.) |
| Fuel tank capacity | 70.0 l (18.5 Gal.) |
| Battery | 12V 95A |
| Engine Perkins AG4.212 | |
| Engine model | Perkins AG4.212 |
| Number of Cylinders | 4 |
| Firing order | 1-3-4-2 |
| Fuel | Gasoline |
| Displacement | 3.5 L, 3,480 cc (212 cu.in.) |
| Bore x stroke | 98.4 x 114.3 mm (3.87 x 4.5 in) |
| Power output | PTO: 50.7 PS (37.3 KW; 50.0 HP) |
| Torque | – |
| Starter type | Electric starter |
| Oil type | – |
| Governed Speeds | Low Idle: 725-775 rpm; High Idle: 2,225-2,275 rpm; (no load) Rated: 2,000 rpm (full load) |
| Oil capacity | 4.7 L (5.0 U.S. qt) |
| Coolant capacity | 10.4 L (11.0 U.S. qt) |
| Ignition Timing, B.T.D.C. | 12° |
| Breaker point gap | 0.56 mm (0.022 in.) |
| Spark plug | Champion UJ8 |
| Spark plug gap | 0.63 mm (0.025 in.) |
| Valve clearance (Hot) | Intake: 0.30 mm (0.012 in.) Exhaust: 0.38 mm (0.015 in.) |
| Engine Perkins AD4.203 | |
| Engine model | Perkins AD4.203 |
| Number of Cylinders | 4 |
| Firing order | 1-3-4-2 |
| Fuel | Diesel |
| Displacement | 3.33 L, 3,330 cc (203 cu.in.) |
| Bore x stroke | 91.5 x 127 mm (3.6 x 5 in) |
| Power output | PTO: 50.7 PS (37.3 KW; 50.0 HP) |
| Torque | – |
| Starter type | Electric starter |
| Oil type | – |
| Governed Speeds | Low Idle: 725-775 rpm; High Idle: 2,185 rpm; (no load) Rated: 2,000 rpm (full load) |
| Oil capacity | 6.6 L (7.0 U.S. qt) |
| Coolant capacity | 10.4 L (11.0 U.S. qt) |
| Injection Timing, B.T.D.C. | 26° |
| Injector opening pressure | 17,235 kPa (2,500 psi) |
| Valve clearance (Cold) | Intake: 0.30 mm (0.012 in.) Exhaust: 0.30 mm (0.012 in.) |
| Valve clearance (Hot) | Intake: 0.25 mm (0.010 in.) Exhaust: 0.25 mm (0.010 in.) |
| Engine Perkins A4.236 | |
| Engine model | Perkins A4.236 |
| Number of Cylinders | 4 |
| Firing order | 1-3-4-2 |
| Fuel | Diesel |
| Displacement | 3.9 L, 3,890 cc (239 cu.in.) |
| Bore x stroke | 98.4 x 127 mm (3.87 x 5 in) |
| Power output | PTO: 52.8 PS (38.8 KW; 52 HP) |
| Torque | – |
| Starter type | Electric starter |
| Oil type | – |
| Governed Speeds | Low Idle: 725-775 rpm; High Idle: 2,185 rpm; (no load) Rated: 2,000 rpm (full load) |
| Oil capacity | 6.6 L (7.0 U.S. qt) |
| Coolant capacity | 10.4 L (11.0 U.S. qt) |
| Injection Timing, B.T.D.C. | 23° |
| Injector opening pressure | 17,235 kPa (2,500 psi) |
| Valve clearance (Cold) | Intake: 0.30 mm (0.012 in.) Exhaust: 0.30 mm (0.012 in.) |
| Valve clearance (Hot) | Intake: 0.25 mm (0.010 in.) Exhaust: 0.25 mm (0.010 in.) |
| Tires size | |
| Front tires | Standard: 6.00-16 Standard: 6.50-16 Standard: 7.5L-15 Row-crop: 5.50-16 Low-profile: 7.50-10 Low-profile: 9.5L-10 |
| Rear tires | Standard: 16.9-24 Standard: 16.9-26 Standard: 16.9-28 Standard: 16.9-30 Standard: 18.4-26 Row-crop: 14.9-38 Row-crop: 15.5-38 Row-crop: 13.6-38 Low-profile: 14.9-24 Low-profile: 18.4-16.1 Low-profile: 21.5-16.1 |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering | Hydrostatic power |
| Gear transmission | |
| Transmission type | Gear shift |
| Gears | 8 forward and 2 reverse |
| Ground speed | Forward: up to 30.0 km/h (18.6 mph) Reverse: up to 12.4 km/h (7.7 mph) |
| Multi-Power transmission | |
| Transmission type | Multi-Power (Three speeds in two ranges plus two-speed power shift operated by pedal) |
| Gears | 12 forward and 4 reverse |
| Ground speed | Forward: up to 29.8 km/h (18.8 mph) Reverse: up to 15.1 km/h (9.4 mph) |
| PTO (Power take-off shaft) | |
| PTO Type: | Rear, live type (two-stage clutch) |
| PTO Speed: | 540 rpm |
| Hydraulic lift | |
| 3-point linkage: | Category I or Category II |
| Control system: | – |
| No. of remote valves: | 0-2 |
| Max lifting capacity (at link end): | 1,723 kg (3,800 lb.) |
| Hydraulic system | |
| Type | Live |
| Total flow | 73.8 lpm (19.5 gpm) |
| Pressure | 158.6 bar (2,300 psi) |
| Oil capacity (Transmission, Differential and Hydraulic System) | With dry brakes: 37.8 L (10.0 US. gal.) With wet brakes: 41.6 L (11.0 US. gal.) |
| Rear axle planetary (Each) | 1.4 L (1.4 U.S. qt.) |
| Power steering | 0.95 L (1.0 U.S. qt.) |
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