International Harvester 1568 vs International Harvester 6588
10 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because the drive differs (Two-wheel or four-wheel drive; 4WD); they were not built in overlapping years (1974–1976; 1978–1981). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.
Field by field
10 material differences · 4 fields identical or within 5%, which is not counted as material
| Field | 1568 | 6588 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 150.9 hp | 149.9 hp | — |
| Engine declared | INTERNATIONAL HARVESTER DV-8/550 | INTERNATIONAL HARVESTER DT-466 B | differs |
| Displacement declared | 8.99 L | 7.64 L | +18% 1568 |
| Maximum torque declared | — | 450 lb·ft · 610 N·m | — |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 18.6 mph · 30 km/h | — |
| Hydraulics & hitch | |||
| Pump flow declared | 12.0 gpm · 45.5 L/min | 18.0 gpm · 68.1 L/min | +50% 6588 |
| Three-point lift at ends declared | 5,798 lb · 2,630 kg | 8,598 lb · 3,900 kg | +48% 6588 |
| Rear PTO speeds declared | 1000 rpm | 540/1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 15,194 lb · 6,892 kg | 17,619 lb · 7,992 kg | +16% 6588 |
| Wheelbase declared | 104.8 in · 2,662 mm | 110.0 in · 2,794 mm | — |
| Length declared | 168.0 in · 4,267 mm | 228.3 in · 5,799 mm | +36% 6588 |
| Width declared | 98.0 in · 2,489 mm | 101.6 in · 2,581 mm | — |
| Height declared | 128.0 in · 3,251 mm | 115.8 in · 2,941 mm | +11% 1568 |
| Ground clearance declared | 17.0 in · 432 mm | 28.4 in · 721 mm | +67% 6588 |
| Turning radius, braked declared | 11.9 ft · 3.63 m | — | — |
| Fuel tank declared | 168.0 qt · 159.0 L | 360.0 qt · 340.7 L | +114% 6588 |
International Harvester 1568 sources
Source
- Source: Traktorenlexikon, “IHC 1568”
- Source: Traktorenlexikon, “Farmall Farmall 1568”
International Harvester 6588 sources
Source
- Source: Traktorenlexikon, “IHC 6588”
- Source: Traktorenlexikon, “IHC 3588”