Tractorpedia.com

International Harvester 986

International Harvester 986 tractor
View Images
The International Harvester 986 is a row-crop tractor produced from 1976 to 1981 as part of the 86 Series. Built in Rock Island, Illinois, USA, a total of 20,554 units were made. It features a 7.1L 6-cylinder diesel engine, a 16-speed two-speed power shift transmission with Torque Amplifier, and offers two- or four-wheel drive options. The tractor has a power take-off (PTO) with independent rear PTO and is equipped with hydraulic disc brakes and power assist steering. The cab comes standard with air-conditioning, with options for an open operator station and four-post ROPS. The 986 Hi-Clear variant offers high clearance. It has a fuel capacity of 50 gallons plus an auxiliary 22-gallon tank, and a hydraulic system capacity of 22.5 gallons. Dimensions vary by configuration, with wheelbase ranging from 99 to 106 inches and operating weight up to 13,030 lbs. The tractor is known for its durability and versatility in row-crop farming.
International Harvester 986IH 986tractor specsrow-crop tractor7.1L diesel engine16-speed power shiftfarm tractor
Power116 hp[P]
Founded1976 - 1981
Model986

Technical Specifications

Detailed specifications and technical data for International Harvester 986

Power

PTO (tested):105.68 hp (78.8 kW)
PTO (claimed):105 hp (78.3 kW)
Drawbar (tested):90.15 hp (67.2 kW)
Drawbar (claimed):92 hp (68.6 kW)

Engine

Type:diesel
Model:International Harvester D-436
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:2400
Air cleaner:dual dry element
Bore/Stroke:4.30x5.00 inches (109 x 127 mm)
Displacement:436 ci (7.1 L)
Oil capacity:14 qts (13.2 L)
Coolant capacity:26 qts (24.6 L)

Weight

Shipping:10,500 lbs (4762 kg), 12,350 lbs (Hi-Clear) (5601 kg)
Operating:13,030 lbs (2WD) (5910 kg)

Capacity

Fuel:50 gal (189.2 L)
Auxiliary tank:22 gal (83.3 L)
Hydraulic system:22.5 gal (85.2 L)

Variants

986 Hi-Clear:high clearance

Electrical

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

Hydraulics

Type:open center
Valves:2
Capacity:22.5 gal (85.2 L)
Optional type:closed center (Optional after late 1980.)

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

Production

Type:Row-Crop tractor
Series:86 Series
Built in:Rock Island, Illinois, USA
Total built:20,554
Original price:$31,100 (1981)
Years produced:1976 - 1981

Transmission

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

Tractor hitch

Rear Type:II
Rear lift (at 24"/610mm):5760 lbs (2612 kg)

Serial Numbers

1976:8601
1977:11145
1978:15624
1979:19288
1980:22696
1981:25220

Dimensions & Tires

Width:102 inches (259 cm)
Length:167 inches (2WD) (424 cm), 163 inches (4WD) (414 cm), 169 inches (Hi-Clear) (429 cm)
Rear tire:18.4-38
Wheelbase:105 inches (wide-front) (266 cm), 101 inches (tricycle) (256 cm), 99 inches (4WD) (251 cm), 106 inches (Hi-Clear) (269 cm)
Front tire:10.00-16
Height (cab):112 inches (284 cm), 125 inches (Hi-Clear) (317 cm)
Ground clearance:13 inches (33 cm), 26 inches (Hi-Clear) (66 cm)

Power Take-off (PTO)

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

Serial Number Location

Location:Rear frame, right side in front of rear axle.

Related Models

International Harvester 3688

Model:3688

International Harvester 886

Model:886

International Harvester Hydro 186

Model:Hydro 186

International Harvester 966

Model:966