| Production | |
| Manufacturer | International Harvester |
| Total built | 272 |
| Original price was $61,400 in 1984 | |
| International Harvester 6388 Engine | |
| International Harvester 7.1L 6-cyl diesel | |
| International Harvester 6388 Transmission | |
| 16-speed two-range power shift | |
| International Harvester 6388 Power | |
| Engine | 157 hp 117.1 kW |
| Drawbar (claimed) | 114 hp 85.0 kW |
| PTO (claimed) | 130 hp 96.9 kW |
| Drawbar (tested) | 111.75 hp 83.3 kW |
| PTO (tested) | 130.61 hp 97.4 kW |
| Mechanical | |
| Four-wheel drive | |
| Steering | articulated hydrostatic power |
| Cab standard with burgundy finish, heat, and A/C. Optional western 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 | 540/1000 |
| Dimensions & Tires | |
| Wheelbase | 110 inches 279 cm |
| Weight | 15960 lbs 7239 kg |
| Front tire | 16.9-38 |
| Rear tire | 16.9-38 |
| 6388 Serial Numbers | |
| Location: | transmission housing, right side |
| 1981 | 8801 |
| 1982 | 8962 |
| 1983 | 9060 |
| 1984 | 9241 |
| 1985 | 9361 |
FAQ: How to read a serial number table. | |
| References | |
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| 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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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on November 30, 2020 |