Ford industrial tractors

Ford 531

The Ford 531 is an industrial tractor produced from 1975 to 1981. It features a 3.3L 3-cylinder engine available in diesel or gasoline versions, with power ratings up to 60 hp gross. The tractor has an 8-speed gear transmission with 2 reverse gears, power steering, mechanical wet disc brakes, and an open operator station with optional two-post ROPS. It uses an open center hydraulic system and has a live rear PTO operating at 540 RPM. The tractor's dimensions include a 75.8 inch wheelbase, 126.5 inch length, and a weight of 3530 lbs. Tires vary with industrial front and rear options. Electrical system is 12 volts with alternator charging. The Ford 531 is part of a series including models 231, 515, 532, 535, and 4600.
Power-
Founded-
Model531

Technical Specifications

Detailed specifications and technical data for Ford 531

Power
Engine (net)56 hp (41.8 kW)
Engine (gross)60 hp (44.7 kW)
Tires
Industrial rear8.30x24, 18.4x16
Industrial front6.00x16, 9.00x10, 9.50x10
Engine
Torque157 lb-ft (212.9 Nm)
OptionsFord 3.3L 3-cyl diesel, Ford 3.3L 3-cyl gasoline
Starterelectric
Idle RPM600-2475
Rated RPM2200
Torque RPM1200
Bore/Stroke4.4x4.4 inches (112 x 112 mm)
Compression16.3:1
Power (net)55 hp (41.0 kW)
Displacement201 ci (3.3 L)
Firing order1-2-3
Oil capacity7 qts (6.6 L)
Diesel engineFord 3-cylinder liquid-cooled diesel
Power (gross)59.5 hp (44.4 kW)
Starter volts12
Gasoline Torque173 lb-ft (234.6 Nm)
Gasoline engineFord 3-cylinder liquid-cooled gasoline
Coolant capacity11 qts (10.4 L)
Gasoline Idle RPM600-2495
Gasoline Torque RPM1000
Gasoline Compression7.75:1
Gasoline Power (net)56 hp (41.8 kW)
Gasoline Power (gross)60 hp (44.7 kW)
Intake valve clearance0.015 inches Hot (0.381 mm)
Exhaust valve clearance0.018 inches Hot (0.457 mm)
Variants
515utility
531LCG
532woods tractor
535loader-tractor
4600farm tractor
Dimensions
Width68.6 inches At miniumim tread width (174 cm)
Length126.5 inches (321 cm)
Weight3530 lbs (1601 kg)
Wheelbase75.8 inches (192 cm)
Rear tread56 to 75 inches (142 to 190 cm)
Front tread54 to 78 inches (137 to 198 cm)
Clearance (rear axle)8.6 inches (21 cm)
Clearance (front axle)16 inches (40 cm)
Electrical
Groundnegative
Battery volts12
Charging amps32
Charging volts12
Gas Battery AH77
Charging systemalternator
Diesel Battery AH128
Charging amps Optional51
Hydraulics
Typeopen center
Mechanical
DriveTwo-wheel drive
BrakesMechanical wet disc brakes
SteeringPower steering
Operator stationOpen operator station. Two-post ROPS available.
Production
TypeIndustrial tractor
ManufacturerFord
Years produced1975 - 1981
References
Manuals231 335 420 515 531 532 535 Operator's Manual (SE 3503) published in 1975, 231 340 445 531 540 545 Operator's Manual (SE-3718) published in 1978
Buyer's GuideBuyer's Guide published in 1979, by Ford; Buyer's Guide published in 1980, by Ford
Transmission
Typegear
Gears8 forward and 2 reverse
Clutchdry disc
Oil typeM2C53A
Oil capacity12.7 qts (12.0 L)
Dimensions - Height
Hood47.4 inches (120 cm)
ROPS80.7 inches (204 cm)
Exhaust74.2 inches (188 cm)
Steering wheel54.2 inches (137 cm)
Power Take-off (PTO)
Rear PTOlive
Engine RPM540@1800
Rear PTO Type540 (1.375)