| 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 | |
|  Engine details ... | 
| International Harvester 6588 Transmission | |
| 16-speed two-range power shift | |
|  Transmission details ... | 
| 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 | 
|  Performance test details ... | |
| 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 | 
|  Full dimensions and tires ... | |
| 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 |