International Harvester 1066

International Harvester 1066The International Harvester 1066 is a 2WD or 4WD row-crop tractor from the 66 series. This tractor was manufactured by the International Harvester in Rock Island, Illinois, USA from 1971 to 1976. The International Harvester 1066 is equipped with 6.8 L diesel engine and one of three transmissions: gear type transmission with dry disc clutch (8 forward and 4 reverse gears), partial power shift transmission with dry disc clutch (16 forward and 8 reverse gears) and hydrostatic transmission with infinite (two-range) forward and reverse.

The IHC 1066 row-crop tractor used the International Harvester DT414 engine. It is a 6.8 L, 6,784 cm2, (414 cu·in) six-cylinder turbocharged diesel engine with 109.0 mm (4.29 in) of cylinder bore and 121.0 mm (4.76 in) of piston stroke. This engine produced 109.5 PS (80.5 kW; 108 HP) of maximum output power. The DT414 engine has replaceable cast-iron wet type cylinder sleeves; forged steel, fully counterbalanced crankshaft with seven main bearings; forged steel “I” beam connecting rods; aluminum alloy pistons with a combustion chamber molded-in dome. The engine used an American Bosch rotary distributor injection pump; multi-holes injection nozzles; full pressure lubrication system; a liquid cooling system with pump circulation; dry type, two-stage air cleaner.

The IH 1066 tractor is equipped with hydrostatic power steering, double dry disc, hydrostatic power self-adjusting brakes, open operator station, and 159.0 liters (42 US gal.; 35 Imp. gal) fuel tank.

International Harvester 1066 Specifications

General Specifications
ModelInternational Harvester 1066
Length4,190 mm (165 in)
Width2,480 mm (97.6 in)
Wheel base2,660 mm (104.7 in)
Weight5,600 kg (12345.9 lbs)
Fuel tank capacity159.0 liters (42 US gal.; 35 Imp. gal)
BatteryTwo 6V 204A
Cabin typeOpen operator station
Engine modelInternational Harvester DT414
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement6.8 L, 6,784 cm2, (414 cu·in)
Bore and stroke109.0 mm X 121.0 mm (4.29 in X 4.76 in)
Horsepower109.5 PS (80.5 kW; 108 HP)
Oil capacity:17.0 L (17.96 US. qt, 14.96 Imp. qt.)
Coolant capacity:23.7 L (25.04 US. qt, 20.85 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD (option)
Steering typeHydrostatic power
BrakesDouble dry disc, hydrostatic power self-adjusting
Transmission model
Transmission typeGear type with dry disc clutch
Gears8 forward and 4 reverse
Speed Forward: 32.6 kmh (20.3 mph) Reverse: 16.1 (10 mph)
Transmission modelTorque Amplifier
Transmission typePartial power shift with dry disc clutch
Gears16 forward and 8 reverse
Speed Forward: 32.6 kmh (20.3 mph) Reverse: 16.1 (10 mph)
Transmission model
Transmission typeHydrostatic
GearsInfinite (two-range) forward and reverse
Speed Forward: 27.4 kmh (17 mph) Reverse: 11.3 (7 mph)
Front tiresAg: 11L-15
Rear tiresAg: 18.4-38
Three-Point Hitch
Control type
Lift capacity2540 kg (5601 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO spped540/1,000 rpm
Hydraulic system
Hydraulic typeOpen center
Pump flow12.0 gpm (45.4 lpm)
Total flow21.0 gpm (79.5 lpm)
Steering flow9.0 gpm (34.1 lpm)
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