International Harvester 1086 Specs ( 1976-1981 )
Production
| Description | Row-Crop tractor / Built in Rock Island, Illinois, USA |
|---|---|
| Manufacturer | International Harvester |
| Original price | $35,700 (1981) |
| Total built | 47,420 |
Engine
| Engine type | International Harvester 6.8L 6-cyl diesel |
|---|---|
| Air cleaner | dual dry element |
| Bore/Stroke | 4.30x4.75 inches (109 x 121 mm) |
| Coolant capacity | 25 qts (23.7 L) |
| Description | International Harvester DT-414 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 414 ci (6.8 L) |
| Rated RPM | 2400 |
| Oil capacity | 20 qts (18.9 L) |
| Drawbar (claimed) | 114 hp (85.0 kW) |
| Drawbar (tested) | 113.04 hp (84.3 kW) |
| PTO (claimed) | 130 hp (96.9 kW) |
| PTO (tested) | 131.41 hp (98.0 kW) |
Transmission
| Description | 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. |
|---|---|
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse |
| Oil capacity | 90 qts (85.2 L) / 90 qts (85.2 L) |
| Oil type | IH Hy-Tran/B-6 |
| Transmission | Torque Amplifier |
| Type | gear / two-speed power shift |
| Transmission type | 8-speed gear / 16-speed two-speed power shift |
| Transmission type | 8-speed gear / 16-speed two-speed power shift |
Mechanical
| Cab | Cab standard with air-conditioning. Open operator station and four-post ROPS available. |
|---|---|
| Description | Hydraulic disc brakes |
| Differential lock | mechanical rear OptOptional |
| Drive type | Two- or four-wheel drive |
| Final drives | bull gear |
| Steering | power assist |
Capacity
| Fuel | 63 gal (main) (238.5 L) |
|---|---|
| Hydraulic system | 22.5 gal (85.2 L) |
Hydraulics
| Capacity | 22.5 gal (85.2 L) |
|---|---|
| Pump flow | 12 gpm (45.4 lpm) |
| Type | open center |
| Valves | 2 |
Hitch
| Rear Type | III |
|---|
PTO
| Engine RPM | 540@2100 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 470 |
| Battery volts | 12 |
| Charging amps | 42 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ground clearance | 13 inches (33 cm) |
|---|---|
| Height (cab) | 115 inches (292 cm) |
| Length | 168 inches (2WD) (426 cm) |
| Wheelbase | 105 inches (wide-tread front) (266 cm) |
| Width | 102 inches (259 cm) |
| Front tire | 10.00-16 |
| Rear tire | 18.4-38 |
| Weight | 12300 to 13030 pounds |
| Wheelbase | 105 inches (wide-tread front) (266 cm) |
| Ag front | 10.00-16 (2WD) |
| Ag rear | 18.4-38 |
1086 Serial Number Location
| Description | Frame, right side ahead of the rear axle. |
|---|
1086 Serial Numbers
| 1976 | 8601 |
|---|---|
| 1977 | 14725 |
| 1978 | 25672 |
| 1979 | 34731 |
| 1980 | 42186 |
| 1981 | 51671 |
| Description | FAQ: How to read a serial number table. |
International Harvester 1086 Weight
| Operating | 12,715 lbs (2WD) (5767 kg) |
|---|---|
| Shipping | 12,300 lbs (5579 kg) |
Nebraska Tractor Test 1247
| Description | Diesel 16-speed 2WDJune 2 - 14, 1977Link: Nebraska Tractor Test 1247 file / PTO performance / Drawbar performance / Gear 1-Hi-TA used for power test. / Gear 2-Lo-DD used for pull test. |
|---|---|
| Fuel use | 8.6 gal/hour (32.6 l/hour) / 8.2 gal/hour (31.0 l/hour) / 8.5 gal/hour (32.2 l/hour) |
| Max power | 113.04 hp (84.3 kW) |
| Max pull | 13,503 lbs (6124 kg) |
| Power at rated engine speed | 131.41 hp (98.0 kW) |
| Power at rated PTO speed | 133.67 hp (99.7 kW) |
References
| Description | 1978 Buyer's Guide published by International Harvester / 1979 Buyer's Guide published by International Harvester / Buyer's Guide 1981 published by International Harvester / Series 86 Tractors published in 1976, by International Harvester / 86 Series Tractors - The pro-ag line published in 1976, by International Harvester / Operator's Manual 786, 886, 986, 1086, 1486, 1586 and Hydro-186 Tractors (1096207R4) published in 1986 |
|---|
Speeds
| Description | With 18.4-38 rear tires. / With 18.4-38 rear tires. |
|---|
Variants
| 1086 Hi-Clear | high clearance |
|---|