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International Harvester 1086

International Harvester 1086 tractor
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The International Harvester 1086 is a row-crop tractor produced from 1976 to 1981 as part of the 86 Series. Built in Rock Island, Illinois, USA, it features a powerful 6.8L 6-cylinder turbocharged diesel engine and offers two transmission options including an 8-speed gear and a 16-speed two-speed power shift with Torque Amplifier. The tractor is available in two- or four-wheel drive with mechanical rear differential lock optional. It has a fuel capacity of 63 gallons main and 22 gallons auxiliary, and a hydraulic system capacity of 22.5 gallons. The 1086 includes a standard cab with air-conditioning, with open operator station and four-post ROPS available. It has a rear independent PTO with 540/1000 RPM options and a rear Type III hitch. Dimensions vary by configuration, with wheelbase ranging from 99 to 106 inches and weight from 12,300 to 13,030 pounds depending on model variant. The 1086 was highly regarded for its power and versatility in farming applications.
International Harvester 1086IH 1086tractor specsfarm tractor6.8L diesel engine8-speed transmission16-speed power shiftrow-crop tractor
Power144 hp[P]
Founded1976 - 1981
Model1086

Technical Specifications

Detailed specifications and technical data for International Harvester 1086

Power

PTO (tested):131.41 hp (98.0 kW)
PTO (claimed):130 hp (96.9 kW)
Drawbar (tested):113.04 hp (84.3 kW)
Drawbar (claimed):114 hp (85.0 kW)

Tires

Ag rear:18.4-38
Ag front:10.00-16 (2WD), 13.6-24 (4WD)

Engine

Type:turbocharged diesel
Model:International Harvester DT-414
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:2400
Air cleaner:dual dry element
Bore/Stroke:4.30x4.75 inches (109 x 121 mm)
Displacement:414 ci (6.8 L)
Oil capacity:20 qts (18.9 L)
Coolant capacity:25 qts (23.7 L)

Weight

Shipping:12,300 lbs (5579 kg), 13,030 lbs (Hi-Clear) (5910 kg)
Operating:12,715 lbs (2WD) (5767 kg)

Capacity

Fuel:63 gal (main) (238.5 L), 22 gal (auxilary) (83.3 L)
Hydraulic system:22.5 gal (85.2 L)

Variants

1086 Hi-Clear:high clearance

Dimensions

Width:102 inches (259 cm), 98 inches (Hi-Clear) (248 cm)
Length:168 inches (2WD) (426 cm), 165 inches (4WD) (419 cm), 169 inches (Hi-Clear) (429 cm)
Wheelbase:105 inches (wide-tread front) (266 cm), 101 inches (tricycle front) (256 cm), 99 inches (4WD) (251 cm), 106 inches (Hi-Clear) (269 cm)
Height (cab):115 inches (292 cm), 126 inches (Hi-Clear) (320 cm)
Ground clearance:13 inches (33 cm), 26 inches (Hi-Clear) (66 cm)

Electrical

Ground:negative
Batteries:2
Battery CCA:470
Battery volts:12
Charging amps:42, 61 (with cab)
Charging system:alternator

Hydraulics

Type:open center, closed center Optional after late 1980.
Valves:2
Capacity:22.5 gal (85.2 L)
Pump flow:12 gpm (45.4 lpm)

Mechanical

Cab:standard with air-conditioning. Open operator station and four-post ROPS available.
Drive:Two- or four-wheel drive
Brakes:Hydraulic disc brakes
Steering:power assist
Final drives:bull gear
Differential lock:mechanical rear Optional

Production

Type:Row-Crop tractor
Series:86 Series
Built in:Rock Island, Illinois, USA
Total built:47,420
Original price:$35,700 (1981)
Years produced:1976 - 1981

Transmission

Type:gear
Gears:8 forward and 4 reverse
Notes:The transmission features three ranges (low, high, and reverse) with four gears (1-4) in each range. The range and gear can be shifted only when the tractor is stopped. The Torque Amplifier (TA) provides an additional high/low selection for each speed. The TA can be shifted while the tractor is in motion.
Options:8-speed gear, 16-speed two-speed power shift
Oil type:IH Hy-Tran/B-6
Oil capacity:90 qts (85.2 L)
Torque Amplifier:two-speed power shift
Torque Amplifier Gears:16 forward and 8 reverse

Tractor hitch

Rear Type:III

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@2100, 1000@2100
Rear PTO Type:540/1000 (1.375)

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