International Harvester 706 tractor: review and specs

The International Harvester 706 is a 2WD or 4WD standard-tread tractor manufactured by International Harvester from 1963 to 1967.

The International Harvester 706 is equipped with one of four engines: two six-cylinder gasoline/LP-gas engines or two six-cylinder diesel engine and one of two transmissions: a sliding gear transmission with 8 forward and 4 reverse gears and with dry disc clutch or transmission with 16 forward and 8 reverse gears.

This tractor could be equipped with the following engines:

International Harvester D282. It is a 4.6 L, 4,621 cm², (282.0 cu·in) six-cylinder natural aspirated diesel engine with 94.0 mm (3.7 in) of the cylinder bore and 112.0 mm (4.41 in) of the piston stroke.
International Harvester D310. It is a 5.1 L, 5,080 cm², (310.0 cu·in) six-cylinder natural aspirated diesel engine with 98.0 mm (3.78 in) of the cylinder bore and 111.0 mm (4.37 in) of the piston stroke.
International Harvester C263. It is a 4.3 L, 4,310 cm², (263.0 cu·in) six-cylinder natural aspirated gasoline/LP-gas engine. The cylinder bore is 90.0 mm (3.54 in) and the piston stroke is 112.0 mm (4.41 in).
International Harvester C291. It is a 4.8 L, 4,768 cm², (291.0 cu·in) six-cylinder natural aspirated gasoline/LP-gas engine. The cylinder bore is 95.0 mm (3.54 in) and the piston stroke is 112.0 mm (4.41 in).

The IH 706 is equipped with hydrostatic power steering, hydraulic disc brakes, open operator station or cab (optional), and 124.9 liters (33 US gal.; 27.5 Imp. gal) fuel tank.

International Harvester 706 Specifications

General Specifications
Model	International Harvester 706
Length	2WD: 3,780 mm (148.8 in) 4WD: 3,960 mm (155.9 in)
Width	2,610 mm (102.8 in)
Height (steering wheel)	2WD: 2,030 mm (79.9 in) 4WD: 2,040 mm (80.3 in)
Wheel base	2WD: 2,220 mm (87.4 in) 4WD: 2,200 mm (86.6 in)
Ground clearance (front axle)	2WD: 430 mm (16.9 in) 4WD: 330 mm (13 in)
Weight (shipping)	Gas: 3,675 kg (8,102 lbs) Diesel: 3,790 kg (8,356 lbs)
Fuel tank capacity	124.9 liters (33 US gal.; 27.5 Imp. gal)
Battery	Gas: 12V; Diesel: two 6V
Cabin type	Open operator station or Cab (optional)
Engine
Engine model	International Harvester D282
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	4.6 L, 4,621 cm², (282.0 cu·in)
Bore and stroke	94.0 mm X 112.0 mm (3.7 in X 4.41 in)
Horsepower	–
Starter	Electric
Oil capacity:	8.5 L (9 US. qt, 7.5 Imp. qt.)
Coolant capacity:	20.3 L (21.5 US. qt, 17.9 Imp. qt.)
Engine
Engine model	International Harvester D310
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	5.1 L, 5,080 cm², (310.0 cu·in)
Bore and stroke	98.0 mm X 110.0 mm (3.78 in X 4.37 in)
Horsepower	–
Starter	Electric
Engine
Engine model	International Harvester C263
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Gasoline/LP-gas
Displacement	4.3 L, 4,310 cm², (263.0 cu·in)
Bore and stroke	90.0 mm X 112.0 mm (3.54 in X 4.41 in)
Horsepower	–
Starter	Electric
Oil capacity:	8.5 L (9 US. qt, 7.5 Imp. qt.)
Coolant capacity:	Gasoline: 19.4 L (20.5 US. qt, 17.1 Imp. qt.) LP-gas: 19.9 L (21.0 US.qts, 17.5 Imp. qts)
Engine
Engine model	International Harvester C291
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Gasoline/LP-gas
Displacement	4.8 L, 4,768 cm², (291.0 cu·in)
Bore and stroke	95.0 mm X 112.0 mm (3.75 in X 4.41 in)
Horsepower	–
Starter	Electric

Transmission and chassis
Chassis	4×2 2WD or 4×4 FWA 4WD (optional)
Steering type	Hydrostatic power
Brakes	Hydraulic disc
Transmission model	–
Transmission type	Sliding gear with dry disc clutch
Gears	8 forward and 4 reverse
Speed	Forward: 28.6 kmh (17.8 mph) Reverse: 14.1 (8.8 mph)
Transmission oil capacity	64.4 L (17 US. gal, 14.2 Imp. gal.)
Transmission model	Torque Amplifier
Transmission type	–
Gears	16 forward and 8 reverse
Speed	Forward: 28.6 kmh (17.8 mph) Reverse: 14.1 (8.8 mph)
Transmission oil capacity	64.4 L (17 US. gal, 14.2 Imp. gal.)
Tires
Front tires	Ag: 7.50-18 (2WD), 11.2-24 (4WD)
Rear tires	Ag: 18.4-30

Three-Point Hitch
Category	II/I
Control type	Torsion bar (optional)
Lift capacity (at ends)	–
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO speed	540/1000 rpm
Hydraulic system
Hydraulic type	Open center
Hydraulic capacity	64.4 L (17 US. gal, 14.2 Imp. gal.)
Valves	1 or 2
Pump flow	12.0 gpm (45.4 lpm) 17.0 gpm (64.3 lpm) (optional)
Steering flow	9.0 gpm (34.1 lpm)
Total flow	24.0 gpm (90.8 lpm)

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