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| info | |
| 1976 - 1981 86 Series, Row-Crop tractor | |
| Previous model: | International Harvester 1566 |
| Series back: | International Harvester 1486 |
| Production | |
| Manufacturer: | International Harvester |
| Factory: | Rock Island, Illinois, USA |
| Total built: | 13,636 |
| Original price (USD): | $43,300 (1981) |
| Capacity | |
| Fuel: | 63 gal [238.5 L], 22 gal [83.3 L] (auxiliary) |
| Hydraulic system: | 27 gal [102.2 L] |
| 3-Point Hitch | |
| Rear Type: | 3 |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Dimensions & Tires | |
| Wheelbase: | 105 inches [266 cm] |
| Weight: | 13600 to 15120 pounds |
| Front tire: | 11.00-16 |
| Rear tire: | 20.8-38 |
| 1586 Serial Numbers | |
| Location: | Frame, right side ahead of the rear axle. |
| International Harvester 1586 Power | |
| Drawbar (tested): | 134.94 hp [100.6 kW] |
| PTO (tested): | 161.55 hp [120.5 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD (optional) |
| Steering: | power assist |
| Brakes: | hydraulic disc |
| Cab: | standard |
| Hydraulics | |
| Type: | open center |
| Capacity: | 27 gal [102.2 L] |
| Valves: | 2 |
| Pump flow: | 12 gpm [45.4 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 42, 61 (with cab) |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 470 |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.30x5.00 inches [109 x 127 mm] |
| Air cleaner: | dual dry element |
| Rated RPM: | 2500 |
| Oil capacity: | 20 qts [18.9 L] |
| Coolant capacity: | 27 qts [25.6 L] |
| Engine Detail | |
| International Harvester DT436, turbocharged diesel, 6-cylinder, liquid-cooled, 436 ci [7.1 L] |
| info | |
| Speeds: | 20.8-38 rear tires. |
| Transmission | |
| Transmission: | Torque Amplifier |
| Type: | partial power shift |
| Gears: | 12 forward and 6 reverse |
| Oil capacity: | 108 qts [102.2 L] |
| The transmission features three ranges (low, high, and reverse) with three gears (1-3) 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. | |
| info | |
| Previous model: | International Harvester 1566 |
| Series back: | International Harvester 1486 |
| Dimensions | |
| Weight (shipping): | 13,600 lbs [6168 kg] |
| Weight (operating): | 15,120 lbs [6858 kg] (2WD duals cab) |
| Weight (ballasted): | 17,600 lbs [7983 kg] |
| Wheelbase: | 105 inches [266 cm] |
| Length: | 169 inches [429 cm] |
| Width: | 112 inches [284 cm] |
| Height (cab): | 116 inches [294 cm] |
| Ground clearance: | 14 inches [35 cm] |
| 2WD turn radius: | 11.4 feet [3.5 m] |
| International Harvester 1586 Tires | |
| Ag front: | 11.00-16 |
| Ag rear: | 20.8-38 |