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Massey Ferguson 20B Industrial Tractor

Massey Ferguson 20B Engine

Engine Model ................ Perkins AD3.152
Engine Type ................ 4-Stroke, 3-cylinder liquid-cooled diesel
Number of Cylinders ................ 3
Displacement, cu in (L) ................ 152.7 (2.50)
Engine Bore, in (mm) ................ 3.60 (91.0)
Engine Stroke, in (mm) ................ 5.00 (127.0)
Aspiration ................ Natural
Rated Engine Power, hp (kW) ................ 45.0 (33.6)
Rated Engine Speed, rpm ................ 2250
Maximum Torque, Nm (ft-lb) ................ 172 (123)
Torque Speed, rpm................ 1400
Compression Ratio ................ 16.5:1
Firing Order ................ 1-2-3
Fuel System ................ Direct injection
Governor ................ Mechanical
Air Cleaner ................ Dual dry element
Valve Clearance, in (mm) ................ 0.012 (0.30)
Fuel Tank Capacity, gal (L) ................ 12.7 (48.0)
Oil Capacity, qts (L) ................ 6.0 (5.7)
Coolant Capacity, qts (L) ................ 10.0 (9.5)
Electrical System Rating, Volts ................ 12
Charging System ................ Alternator

Power Take-Off

PTO Operational Type ................ Independent
PTO Horsepower, hp (kW) ................ 36.5 (27.0)
PTO Speed, rpm ................ 540
PTO / Engine Speed, rpm ................ 540/1800

Massey Ferguson 20B Transmission

Transmission Type ................ Gear
Gearbox Type ................ 8F/2R
Number of Forward Gears ................ 8
Number of Reverse Gears ................ 2
Clutch Type ................ Dry disc
Oil Capacity, qts (L) ................ 32.0 (30.3)
Maximum Forward Speed, mph (kph) ................ 18.8 (30.3)
Maximum Reverse Speed, mph (kph) ................ 7.8 (12.5)

Transmission Type ................ Manual Shuttle
Gearbox Type ................ 6F/6R
Number of Forward Gears ................ 6
Number of Reverse Gears ................ 6
Clutch Type ................ Dry disc
Oil Capacity, qts (L) ................ 32.0 (30.3)
Maximum Forward Speed, mph (kph) ................ 21.3 (34.3)
Maximum Reverse Speed, mph (kph) ................ 19.3 (31.1)

Wheels and Tires

Drive Wheels ................ 2WD 4x2
Steering Configuration ................ Front steer
Steering System ................ Hydrostatic power
Brakes Type ................ Mechanical disc
Front Tire Size ................ 6.50-16
Rear Tire Size ................ 14.9-24

MF 20B Hydraulic System

Hydraulic System Type ................ Open Center
Implement Pump Type ................ Gear
Implement Pump Flow (Attachments), gpm (Lpm) ................ 10.0 (38.0)
Implement Pump Flow (Tractor), gpm (Lpm) ................ 4.4 (16.7)
Hydraulic Pressure, Bar (psi) ................ 176 (2550)
Hydraulic Capacity, gal (L) ................ 10.4 (39.6)

Dimensions and Weight

Wheelbase, in (mm) ................ 74.5 (1890)
Length, in (mm) ................ 118 (2980)
Height (Cab), in (mm) ................ 90 (2280)
Overall Width, in (mm) ................ 72.8 (1840)
Ground Clearance, in (mm) ................ 14.3 (360)
Weight, lb (kg) ................ 4065 (1845)