International Harvester

International Harvester 856

The International Harvester 856 is a farm tractor built from 1967 to 1971 in Rock Island, Illinois, USA. It was available with diesel, gasoline, and LP gas engines, featuring a 6.7L 6-cylinder diesel or 4.9L 6-cylinder gasoline or LP gas engines. The tractor offers 8-speed or 16-speed two-speed power shift transmissions, with power outputs up to approximately 100 hp at the PTO. It features two- or four-wheel drive options, power steering, hydraulic dry disc brakes, and an open operator station with an optional cab. The 856 has a rear PTO with independent operation and 540/1000 rpm speeds. It weighs about 10,290 lbs operating weight and uses 10.00-16 front tires and 18.4-38 rear tires. Total production included 2,113 diesel units and 4 gasoline units. The original price was $9,640 in 1971.

Power111 hp[P]

Founded1967 - 1971

Model856

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Technical Specifications

Detailed specifications and technical data for International Harvester 856

Power

PTO (tested)	100.49 hp (74.9 kW)
PTO (claimed)	100.4 hp (74.9 kW)
Drawbar (tested)	87.2 hp (65.0 kW)
Drawbar (claimed)	90 hp (67.1 kW)

Engine

Options	International Harvester 6.7L 6-cyl diesel, International Harvester 4.9L 6-cyl gasoline, International Harvester 4.9L 6-cyl LP gas
Fuel tank	42 gal (159.0 L)
Rated RPM	2400
Air cleaner	dual dry elements
Bore/Stroke	4.321x4.625 inches (110 x 117 mm)
Compression	17:1
Displacement	406.9 ci (6.7 L)
Oil capacity	12 qts (11.4 L)
Starter volts	12
Coolant capacity	24 qts (22.7 L)
Bore/Stroke LP gas	3.8125x4.39 inches (97 x 112 mm)
Compression LP gas	8.8:1
Displacement LP gas	301 ci (4.9 L)
Oil capacity LP gas	9 qts (8.5 L)
Bore/Stroke gasoline	3.8125x4.39 inches (97 x 112 mm)
Compression gasoline	7.7:1
Displacement gasoline	301 ci (4.9 L)
Oil capacity gasoline	9 qts (8.5 L)
Coolant capacity LP gas	21.5 qts (20.3 L)
Coolant capacity gasoline	21 qts (19.9 L)
International Harvester D-407	diesel, 6-cylinder, liquid-cooled
International Harvester C-301 LP gas	6-cylinder, liquid-cooled
International Harvester C-301 gasoline	6-cylinder, liquid-cooled

Variants

Farmall 856	row-crop tractor

Hydraulics

Type	open center
Pump flow	12 gpm (45.4 lpm)

Mechanical

Drive	Two- or four-wheel drive
Brakes	Differential hydraulic dry disc brakes
Steering	power
Operator station	Open operator station. Cab optional.

Production

Built in	Rock Island, Illinois, USA
Total built	2,113 (diesel), 4 (gasoline)
Manufacturer	International Harvester
Original price	$9,640 in 1971

Transmission

Gears	8 forward and 4 reverse
Options	8-speed, 16-speed two-speed power shift
Torque Amplifier	two-speed power shift
Transmission type	International Harvester sliding gear
Torque Amplifier gears	16 forward and 8 reverse
Torque Amplifier details	Four gears with high and low ranges. Torque Amplifier (TA) provides a power shift between direct-drive (DD) and lower TA speed in each gear.

Tractor hitch