International Harvester

International Harvester 785

The International Harvester 785 is a utility tractor from the 85 Series produced between 1981 and 1985. Built in Doncaster, England, it features a 4.0L 4-cylinder diesel engine delivering 80 hp gross and 77.4 hp net power. It offers transmission options including an 8-speed synchromesh and a 16-speed two-speed power shift with torque amplifier. The tractor supports two- or four-wheel drive, mechanical rear differential lock, power steering, and hydraulic wet disc brakes. It has a standard cab with Economy and Deluxe options. The hydraulic system provides a pump flow of 12.4 gpm. The rear hitch is category II with position and draft control and a lift capacity up to 5250 lbs with optional assistor ram. The PTO is independent with 540/1000 rpm options. Dimensions include a wheelbase of 88.19 inches, length of 147.6 inches, and height of 104 inches. Tires vary by drive type with 10.00-16 front tires for 2WD and 12.4-24 for 4WD, and 16.9-34 rear tires. Electrical system uses negative ground.

Power80 hp

Founded1981 - 1985

Model785

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Technical Specifications

Detailed specifications and technical data for International Harvester 785

Power

Engine (net)	77.4 hp (57.7 kW)
PTO (claimed)	68.3 hp (50.9 kW)
Engine (gross)	80 hp (59.7 kW)

Engine

Type	4-cylinder liquid-cooled diesel
Model	International Harvester D-246
Torque	263 lb-ft (356.6 Nm)
Starter	electric
Fuel tank	29.6 gal (112.0 L)
Rated RPM	2300
Torque RPM	1600
Bore/Stroke	3.94x5.06 inches (100 x 129 mm)
Fuel system	direct injection
Power (net)	77.4 hp (57.7 kW)
Displacement	246 ci (4.0 L)
Power (gross)	80 hp (59.7 kW)
Starter volts	12

Electrical

Ground	negative

Hydraulics

Pump flow	12.4 gpm (46.9 lpm)

Mechanical

Cab	standard. Economy and Deluxe cabs available
Drive	Two- or four-wheel drive
Brakes	Hydraulic wet disc brakes
Power steering	Yes
Differential lock	mechanical rear

Production

Type	Utility tractor
Series	85 Series
Built in	Doncaster, England
Years produced	1981 - 1985

Transmission

Options	8-speed synchromesh, 16-speed two-speed power shift
Power Shift Type	two-speed power shift
Synchromesh Type	synchromesh
Torque Amplifier	Yes
Power Shift Gears	16 forward and 8 reverse
Synchromesh Gears	8 forward and 4 reverse
Synchromesh Details	Four gears (1-4) in two ranges (low/high) plus reverse range

Tractor hitch

Control	position and draft control
Rear Type	II
Rear lift	4400 lbs (1995 kg), 5250 lbs (2381 kg) with optional assistor ram

Serial Numbers

Location	Serial number plate on right front of tractor frame, above the front axle.

Dimensions & Tires

Height	104 inches (264 cm)
Length	147.6 inches (374 cm)
Wheelbase	88.19 inches (224 cm)
Ag rear tire	16.9-34
2WD Ag front tire	10.00-16
4WD Ag front tire	12.4-24

Power Take-off (PTO)