| Production | |
| Manufacturer | International Harvester |
| Total built | 642 |
| Original price was $65,100 in 1984 | |
| International Harvester 6588 Engine | |
| International Harvester 7.6L 6-cyl diesel | |
| International Harvester 6588 Transmission | |
| 16-speed two-range power shift | |
| International Harvester 6588 Power | |
| Engine | 177 hp 132.0 kW |
| Drawbar (claimed) | 130 hp 96.9 kW |
| PTO (claimed) | 150 hp 111.9 kW |
| Drawbar (tested) | 126.15 hp 94.1 kW |
| PTO (tested) | 150.41 hp 112.2 kW |
| Mechanical | |
| Four-wheel drive | |
| Steering | articulated hydrostatic power |
| Cab standard with burgundy finish, heat, and A/C. Optional wester finish interior. | |
| Capacity | |
| Fuel | 89 gal 336.9 L |
|   | 139 gal (optional) 526.1 L |
| Hydraulic system | 23.6 gal 89.3 L |
| Hydraulics | |
| Type | closed center |
| Capacity | 23.6 gal 89.3 L |
| Valves | 2 to 4 |
| Pump flow | 18 gpm 68.1 lpm |
| Steering flow | 12 gpm 45.4 lpm |
| Tractor hitch | |
| Rear Type | III/II |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 1000 |
| Dimensions & Tires | |
| Wheelbase | 110 inches 279 cm |
| Weight | 16320 lbs 7402 kg |
| Front tire | 18.4-38 |
| Rear tire | 18.4-38 |
| 6588 Serial Numbers | |
| Location: | transmission housing, right side |
| 1981 | 8801 |
| 1982 | 8966 |
| 1983 | 9164 |
| 1984 | 9361 |
| 1985 | 9526 |
FAQ: How to read a serial number table. | |
| Electrical | |
| Ground | negative |
| Battery volts | 12 |
| References | |
![]() | |
| Buyer's Guide 1982 published by International Harvester | |
| 2+2 Tractors 130/150/170 HP published in 1981, by International Harvester |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on November 30, 2020 |