International Harvester Hydro 186 Specs ( 1976-1981 )
Production
| Description | Row-Crop tractor / Built in Rock Island, Illinois, USA |
|---|---|
| Manufacturer | International Harvester |
| Original price | $33,900 (1981) |
Engine
| Engine type | International Harvester 7.1L 6-cyl diesel |
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| Air cleaner | dual dry element |
| Bore/Stroke | 4.30x5.00 inches (109 x 127 mm) |
| Coolant capacity | 26 qts (24.6 L) |
| Description | International Harvester D436 / diesel / 6-cylinder / liquid-cooled |
| Displacement | 436 ci (7.1 L) |
| Rated RPM | 2400 |
| Oil capacity | 14 qts (13.2 L) |
| Drawbar (claimed) | 82 hp (61.1 kW) |
| Drawbar (tested) | 79.83 hp (59.5 kW) |
| PTO (claimed) | 104 hp (77.6 kW) |
| PTO (tested) | 105.02 hp (78.3 kW) |
Transmission
| Description | A range lever on the right console allows the selection of high, low, or reverse range. Speed is controlled by the speed-control lever on the left side of the instrument panel. An inching pedal is located on the left side of the tractor, and allows for small movements when connecting implements. |
|---|---|
| Gears | variable, two-range forward and reverse |
| Oil capacity | 114 qts (107.9 L) |
| Oil type | IH Hy-Tran/B-6 |
| Transmission | hydrostatic |
Mechanical
| Cab | Cab standard with air-conditioning. Open operator station and four-post ROPS available. |
|---|---|
| Description | Hydraulic disc brakes |
| Drive type | Two- or four-wheel drive |
| Final drives | bull gear |
| Steering | power assist |
Capacity
| Fuel | 50 gal (189.2 L) |
|---|---|
| Hydraulic system | 28.5 gal (107.9 L) |
Hydraulics
| Capacity | 28.5 gal (107.9 L) |
|---|---|
| Pump flow | 12 gpm (45.4 lpm) |
| Type | open center |
| Valves | 2 |
Hitch
| Rear lift (at 24"/610mm) | 6660 lbs (3020 kg) |
|---|---|
| Rear Type | II |
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) | 112 inches (284 cm) |
| Length | 167 inches (2WD) (424 cm) |
| Wheelbase | 105 inches (266 cm) |
| Width | 102 inches (259 cm) |
| Front tire | 10.00-16 |
| Rear tire | 18.4-34 |
| Weight | 11500 to 13135 pounds |
| Wheelbase | 105 inches (266 cm) |
| Ag front | 10.00-16 |
| Ag rear | 18.4-34 |
Hydro 186 Serial Numbers
| 1976 | 8601 |
|---|---|
| 1977 | 8813 |
| 1978 | 9806 |
| 1979 | 10626 |
| 1980 | 11465 |
| 1981 | 12279 |
| Description | FAQ: How to read a serial number table. |
| Location: | Rear axle. |
International Harvester Hydro 186 Weight
| Operating | 13,135 lbs (5958 kg) |
|---|---|
| Shipping | 11,500 lbs (5216 kg) |
Nebraska Tractor Test 1257
| Description | Diesel hydrostatic 2WDSeptember 22 - October 3, 1977Link: Nebraska Tractor Test 1257 file / PTO performance / Drawbar performance / Pull at 9.6 KPH / Pull at 3.9 KPH |
|---|---|
| Fuel use | 8.1 gal/hour (30.7 l/hour) / 7.3 gal/hour (27.6 l/hour) / 8.1 gal/hour (30.7 l/hour) |
| Max power | 79.83 hp (59.5 kW) |
| Max pull | 11312 lbs (5131 kg) |
| Power at rated engine speed | 105.02 hp (78.3 kW) |
| Power at rated PTO speed | 100.31 hp (74.8 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 |
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Speeds
| Description | 18.4-34 rear tires. |
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Variants
| Hydro 186 Hi-Clear | high clearance |
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