The Massey Ferguson 550 is a 2WD row-crop tractor from the 500 series. This tractor was manufactured by Massey Ferguson in Coventry, England from 1977 to 1979. The Massey Ferguson 550 is equipped with a 2.5 L (151.9 cu·in) three-cylinder diesel engine and one of two transmissions: a gear type transmission with 8 forward and 2 reverse gears or a two-speed power shift transmission with 12 forward and 4 reverse gears.
The Massey Ferguson 550 row-crop tractor used the Perkins AD3.152S engine. It is a 2.5 L, 2,490 cm2, (152.0 cu·in) three-cylinder natural aspirated diesel engine with 91.0 mm (3.58 in) of the cylinder bore and 127.0 mm (5.0 in) of the piston stroke. The compression ratio rating is 16.5:1. This engine produced 47.6 PS (35.0 kW; 47.0 HP) at 2,250 rpm of output power and 169.0 N·m (17.2 kg·m, 124.6 ft·lb) at 1,400 rpm of torque.
The Massey Ferguson 550 is equipped with power steering, drum brakes, cab standard with heater (ROPS available), and 67.4 liters (17.8 US gal.; 14.8 Imp. gal) fuel tank.
Massey Ferguson 550 Specifications
| General Specifications | |
| Model | Massey Ferguson 550 |
| Length | 3,550 mm (139.8 in) |
| Width | 1,650 mm (65 in) |
| Height | 2,310 mm (90.9 in) |
| Wheel base | 2,080 mm (81.9 in) |
| Ground clearance (drawbar) | 280 mm (11 in) |
| Weight | 2,080 kg (4,586 lbs) |
| Fuel tank capacity | 67.4 liters (17.8 US gal.; 14.8 Imp. gal) |
| Battery | – |
| Cabin type | Cab standard with heater (ROPS available) |
| Engine | |
| Engine model | Perkins AD3.152S |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 2.5 L, 2,490 cm2, (152.0 cu·in) |
| Bore and stroke | 91.0 mm X 127.0 mm (3.58 in X 5 in) |
| Compression ratio | 16.5:1 |
| Horsepower | 47.6 PS (35.0 kW; 47.0 HP) at 2,250 rpm |
| Torque | 169.0 N·m (17.2 kg·m, 124.6 ft·lb) at 1,400 rpm |
| Starter | Electric |
| Oil capacity: | 6.8 L (7.2 US. qt, 6 Imp. qt.) |
| Coolant capacity: | 18.0 L (19 US. qt, 15.8 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Power |
| Brakes | Drum |
| Transmission model | – |
| Transmission type | Gear type with dry disc clutch |
| Gears | 8 forward and 2 reverse |
| Transmission model | Multi-Power |
| Transmission type | Two-speed power shift |
| Gears | 12 forward and 4 reverse |
| Tires | |
| Front tires | Ag: 6.00-16 |
| Rear tires | Ag: 12.4/11-28 |
| Three-Point Hitch | |
| Category | II |
| Control type | Position and draft control |
| Lift capacity (at ends) | 1,415 kg (3,120 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Live with mechanical dry disc clutch or independent with hydraulic clutch |
| Rear PTO speed | 540, 1000 rpm |
| Hydraulic system | |
| Hydraulic type | – |
| Pressure | 2,000 psi (137.9 bar) |
| Pump flow | 9.5 gpm (36 lpm) |
| Total flow | 16.5 gpm (62.5 lpm) |
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