International Harvester 1086

International Harvester 1086The International Harvester 1086 is a 2WD or 4WD row-crop tractor from the 86 series. This tractor was manufactured by the International Harvester in Rock Island, Illinois, USA from 1976 to 1981. The International Harvester 1086 is equipped with 6.8 L six-cylinder diesel engine and partial power shift transmission with 16 forward and 8 reverse gears.

The IH 1086 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 the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. 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. This engine produced 131.9 PS (97 kW; 130.0 HP) of maximum output power.

The International Harvester 1086 is equipped with hydrostatic power steering, hydraulic disc brakes, cab (standard) and 238.5 liters (63 US gal.; 52.5 Imp. gal) fuel tank.

International Harvester 1086 Specifications

General Specifications
ModelInternational Harvester 1086
Length 2WD: 4,260 mm (167.7 in)
4WD: 4,190 mm (165 in)
Hi-Clear: 4,290 mm (169 in)
Width 2WD/4WD: 2,590 mm (102 in)
Hi-Clear: 2,480 mm (98 in)
Height 2WD/4WD: 2,920 mm (115 in)
Hi-Clear: 3,200 mm (126 in)
Wheel base 2WD: 2,660 mm (104.7 in)
4WD: 2,510 mm (99.0 in)
Hi-Clear: 2,690 mm (106 in)
Weight5,767 kg (12,710 lbs)
Fuel tank capacity238.5 liters (63 US gal.; 52.5 Imp. gal)
BatteryTwo 12V CCA 480
Cabin typeCab standard
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)
Compression ratio
Horsepower131.9 PS (97 kW; 130.0 HP)
Oil capacity:18.9 L (19.97 US. qt, 16.63 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
Steering typeHydrostatic power
BrakesHydraulic disc
Transmission modelTorque Amplifier
Transmission typePartial power shift
Gears16 forward and 8 reverse
Speed Forward: 33.0 kmh (20.5 mph) Reverse: 16.3 (10.1 mph)
Transmission oil capacity85.2 L (90.03 US. qt, 74.97 Imp. qt.)
Front tiresAg: 10.00-16 (2WD); 13.6-24 (4WD)
Rear tiresAg: 18.4-38
Three-Point Hitch
Control type
Lift capacity
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO spped540/1000 rpm
Hydraulic system
Hydraulic typeOpen center
Hydraulic capacity85.2 L (90.03 US. qt, 74.97 Imp. qt.)
Pump flow12.0 gpm (45.4 lpm)
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