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Massey Ferguson 550 Tractor

The Massey Ferguson 550 is a 4x2 (2WD) row-crop tractor from 500-series. This model was manufactured between 1977 and 1979. The MF 550 tractor is powered by 152 cubic inches (2.5 L) Perkins AD 3.152 four-stroke 3-cylinder direct injection liquid-cooled diesel engine with a max output power of 47 Hp (35 kW) and 169 Nm (125 lb-ft) of max torque at 1400 rev/min.

The Massey Ferguson is fitted with two transmission options: 8x2 gear transmission and Multi Power transmission with 12 forward and 4 reverse gears. The maximum forward speed - 18.3 mph (29.4 kph), max. reverse speed - 9.3 mph (15 kph).

The open center hydraulic system used a gear pump with a rated capacity of 9.5 gpm (36 lpm). The hydraulic system pressure is 138 bar (2000 psi). The Massey Ferguson 550 was equipped with 6.00x16 or 6.00x19 front tires and 12.4x28 or 12.4x32 rear tires. The wheel base is 81.9 inches (2080 mm).

Engine Model Perkins AD 3.152
Engine Type 4 Stroke, 3-cylinder liquid-cooled diesel
Number of Cylinders 3
Displacement, cu in (L) 152 (2.5)
Engine Bore, in (mm) 3.60 (91.0)
Engine Stroke, in (mm) 5.00 (127.0)
Aspiration Natural
Maximum Engine Power, hp (kW) 47.0 (35.0)
Rated Engine Speed, rpm 2250
Maximum Torque, Nm (ft-lbs) 169 (125)
Torque Speed, rpm 1400
Compression 18.5:1
Firing Order 1-2-3
Fuel System Type Direct injection
Fuel filter Paper element
Oil Pump Type Rotor type
Oil Filter Type Full flow
Fuel Tank Capacity, gal (L) 17.5 (67.0)
Oil Capacity, qts (L) 6.3 (6.0)
Coolant Capacity, qts (L) 10.5 (10.2)
Electrical System Rating, Volts 12
Battery Rating, A/h 95

Power Take-Off
PTO Operational Type (Std) Live
PTO Operational Type (Opt) Independent
PTO Horsepower, hp (kW) 42.5 (31.6)
PTO Clutch (Live) Dry disc
PTO Clutch (Independent) Hydraulic
PTO Speed, rpm 540/1000

Standard Transmission
Transmission Type Gear
Gearbox Type 8F/2R
Number of Forward Speed 8
Number of Reverse Speed 2
Clutch Type Dry disc
Clutch Disc Diameter, in (mm) 12 (305)
Maximum Forward Speed, mph (kph) 14.7 (23.7)
Maximum Reverse Speed, mph (kph) 7.4 (11.9)

Optional Transmission
Transmission Type Multi Power
Gearbox Type 12F/4R, Partial powershift
Number of Forward Speed 12
Number of Reverse Speed 4
Maximum Forward Speed, mph (kph) 18.3 (29.4)
Maximum Reverse Speed, mph (kph) 9.3 (15.0)

Wheels and Tires
Drive Wheels 2WD 4x2
Steering Configuration Front Steer
Steering System Hydrostatic power
Service Brake Drum type
Front Tire Size (Std) 6.00x16
Rear Tire Size (Std) 12.4x28
Front Tire Size (Opt) 6.00x19
Rear Tire Size (Opt 12.4x32

Hydraulic System
Hydraulic System Type Open Center
Hydraulic Pump Type Gear
Implement Pump Flow, gpm (Lpm) 9.5 (36.0)
Steering Pump Flow, gpm (Lpm) 7.0 (26.5)
Hydraulic Pressure, Bar (psi) 138 (2000)
3-Point Hitch Category 2
Draft Sensing or Lift Control Position and draft control
Standard Lift Capacity at lift pin, lb (kg) 3120 (1415)

Dimensions and Weight
Wheelbase, in (mm) 81.9 (2080)
Length, in (mm) 140.2 (3560)
Height, in (mm) 89 (2260)
Overall Width, in (mm) 77 (1950)
Ground Clearance, in (mm) 14.5 (370)
Turning Radius, in (mm) 140 (3550)
Weight, lb (kg) 4600 (2090)



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