International Harvester 1086

Production ended · 2WD or 4WD

PTO power · claimed

130 hp

Weight
12,715 lb
Engines
1 Diesel
Built
47,420
Price new · 1981
$35,700

Power

Power specifications
Engineno record
PTO130 hp claimed
PTO, tested131.4 hp
Drawbar114 hp claimed
Drawbar, tested113 hp
Listed power144 hp PTO basis

Engines

Engines fitted to the International Harvester 1086
International Harvester 6.8L 6-cyl dieselDiesel · 6 cyl414 ci
Engine details
International Harvester 6.8L 6-cyl diesel
Bore × stroke
4.3 in × 4.75 in
Rated speed
2,400 rpm
Aspiration
turbocharged diesel
Cooling
liquid-cooled

Transmissions

Transmissions for the International Harvester 1086
8-speed geargear8F / 4R
Torque Amplifiertwo-speed power shift16F / 8R
Transmission notes

8-speed gear: 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.

Torque Amplifier: 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.

Weight

Weight specifications
Weight12,715 lb operating; 2WD
Shipping12,300 lb

Dimensions

Dimensions specifications
Wheelbase105 in
Length168 in
Width102 in
Ground clearance13 in

Capacities

Capacities specifications
Fuel tank63 gal
Hydraulic system22.5 gal

Hydraulics

Hydraulics specifications
Systemopen center
Pump flow12 gpm
Remote valves2

Hitch

Hitch specifications
Rear hitch categoryIII
Rear lift capacityno record

PTO

PTO specifications
Rear PTOindependent
Rear PTO speeds540/1000 (1.375)
Engine rpm at PTO speed540@2100

Chassis

Chassis specifications
Drive2WD/4WD
Steeringpower assist
BrakesHydraulic disc brakes
Differential lockmechanical rear
Final drivesbull gear
CabCab standard with air-conditioning. Open operator station and four-post ROPS available

Tires

Tires specifications
Front10.00-16
Rear18.4-38

Electrical

Electrical specifications
System voltage12 V
Batteries2
Cold cranking470 CCA
Chargingalternator
Charging output42 A
Groundnegative

Production

Production specifications
Total built47,420
Price new$35,700 (1981)
FactoriesRock Island, Illinois, USA
Built byInternational Harvester

Variants

  • 1086 Hi-Clear high clearance

Serial numbers

Frame, right side ahead of the rear axle.

First serial number by year
YearFirst serial
19768601
197714725
197825672
197934731
198042186
198151671

Literature

  • 1978 Buyer's Guide International Harvester
  • 1979 Buyer's Guide International Harvester
  • Buyer's Guide 1981 International Harvester
  • Series 86 Tractors International Harvester, 1976
  • 86 Series Tractors - The pro-ag line International Harvester, 1976
  • Operator's Manual 786, 886, 986, 1086, 1486, 1586 and Hydro-186 Tractors (1096207R4) 1986