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Home / Farm Tractors / International Harvester Tractors / IH 856

International Harvester 856

The International Harvester 856 tractor was manufactured from 1967 to 1971. The components of IH 856 powerline system: The International Harvester D407 4-stroke 6-cylinder direct injection diesel engine, and sliding gear transmission with 8 forward and 4 reverse gears, or 16x8 Torque Amplifier partial powershift transmission. A 6.7L diesel engine power rating is 105 hp (77.8 kW) at 2400 rpm.

Max. travel speed (forward/reverse): 15.6 mph (25.1 km/h) and 4.9 mph (7.8 km/h). The open center hydraulic system includes a gear pump with a rated capacity of 12 gpm (45.5 lpm). The hydraulic system pressure is 2500 psi (172 bar).

The 2WD models are equipped with 11.0x16 front tires and 18.4-38 rear tires. The 11Lx15 front tires and 18.4-38 rear tires are used for 4WD tractors. The wheel base is 105 inches (2660 mm).

Diesel Engine
Engine Model International Harvester D-407
Engine Type 4-stroke, six-cylinder diesel
Number of Cylinders 6
Displacement, cu in (L) 406.9 (6.70)
Engine Bore, in (mm) 4.32 (110.0)
Engine Stroke, in (mm) 4.63 (117.0)
Aspiration Natural
Rated Engine Power, hp (kW) 105.0 (77.8)
Rated Engine Speed, rpm 2400
Compression 17:1
Fuel System Direct injection
Air Cleaner Dual dry elements
Fuel Tank Capacity, gal (L) 42.0 (159.0)
Oil Capacity, qts (L) 13.2 (12.5)
Coolant Capacity, qts (L) 24.0 (22.7)
Electrical System Rating, Volts 12
Charging System Alternator

Gasoline Engine
Engine Model International Harvester C-301
Engine Type 4-stroke, six-cylinder gasoline
Number of Cylinders 6
Displacement, cu in (L) 301 (4.90)
Engine Bore, in (mm) 3.82 (97.0)
Engine Stroke, in (mm) 4.39 (112.0)
Rated Engine Power, hp (kW) 105.0 (77.8)
Rated Engine Speed, rpm 2400
Compression 7.7:1
Air Cleaner Dual dry elements
Fuel Tank Capacity, gal (L) 42.0 (159.0)
Oil Capacity, qts (L) 9.0 (8.5)
Coolant Capacity, qts (L) 21.0 (19.9)
Electrical System Rating, Volts 12
Charging System Alternator

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 95.0 (70.8)
PTO Clutch Type Dry disc
PTO Speeds, rpm 540/1000


Standard Transmission
Transmission Type Sliding gear
Gearbox Type 8F/4R
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 15.6 (25.1)
Maximum Reverse Speed, mph (kph) 4.9 (7.8)

Optional Transmission
Transmission Type Torque Amplifier
Gearbox Type 16F/8R, partial powershift
Number of Forward Gears 16
Number of Reverse Gears 8
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 15.6 (25.1)
Maximum Reverse Speed, mph (kph) 4.9 (7.8)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front Steer
Steering System Hydrostatic power
Brakes Type Differential hydraulic disc
Front Tire Size 11L-15
Rear Tire Size 18.4-38

Hydraulic System
Hydraulic System Type Open Center
Implement Pump Type Gear
Implement Pump Flow, gpm (Lpm) 12.0 (45.5)
Hydraulic Pressure, Bar (psi) 172 (2500)
3-Point Hitch Category 2

Dimensions and Weight
Wheelbase, in (mm) 105 (2660)
Length, in (mm) 164 (4160)
Height (Steering Wheel), in (mm) 86 (2180)
Turning Radius, in (mm) 158 (4000)
Weight (Diesel), lb (kg) 10290 (4665)
Weight (Gasoline), lb (kg) 12035 (5460)

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