International Harvester 1086 row-crop tractor: review and specs

The 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
Model	International 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)
Weight	5,767 kg (12,710 lbs)
Fuel tank capacity	238.5 liters (63 US gal.; 52.5 Imp. gal)
Battery	Two 12V CCA 480
Cabin type	Cab standard
Engine
Engine model	International Harvester DT414
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	6.8 L, 6,784 cm², (414 cu·in)
Bore and stroke	109.0 mm X 121.0 mm (4.29 in X 4.76 in)
Compression ratio	–
Horsepower	131.9 PS (97 kW; 130.0 HP)
Starter	Electric
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
Chassis	4×2 2WD or 4×4 MFWD 4WD
Steering type	Hydrostatic power
Brakes	Hydraulic disc
Transmission model	Torque Amplifier
Transmission type	Partial power shift
Gears	16 forward and 8 reverse
Speed	Forward: 33.0 kmh (20.5 mph) Reverse: 16.3 (10.1 mph)
Transmission oil capacity	85.2 L (90.03 US. qt, 74.97 Imp. qt.)
Tires
Front tires	Ag: 10.00-16 (2WD); 13.6-24 (4WD)
Rear tires	Ag: 18.4-38

Three-Point Hitch
Caterogy	II/III
Control type	–
Lift capacity	–
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO spped	540/1000 rpm
Hydraulic system
Hydraulic type	Open center
Hydraulic capacity	85.2 L (90.03 US. qt, 74.97 Imp. qt.)
Valves	2
Pump flow	12.0 gpm (45.4 lpm)

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