11 material differences · fewer than 12
Tractor oneInternational Harvester 67881981–1984No measured PTO figureTractor twoMassey Ferguson MF 15051975–1977No measured PTO figure
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1981–1984; 1975–1977). 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
11 material differences · 2 fields identical or within 5%, which is not counted as material
| Field | 6788 | MF 1505 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 170.6 hp | 182.6 hp | +7% MF 1505 |
| Engine declared | INTERNATIONAL HARVESTER DT-466 B | Caterpillar 3208-V8 | differs |
| Displacement declared | 7.64 L | 10.42 L | +36% MF 1505 |
| Maximum torque declared | — | 400 lb·ft · 542 N·m | — |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 18.6 mph · 30 km/h | — |
| Clutch declared | Pedal operated dry clutch | Pedal operated dry Borg & Beck single disc clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 18.0 gpm · 68.1 L/min | 25.0 gpm · 94.6 L/min | +39% MF 1505 |
| Rear PTO speeds declared | 1000 rpm | 1000 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 18,620 lb · 8,446 kg | 20,723 lb · 9,400 kg | +11% MF 1505 |
| Maximum permissible mass declared | — | 25,133 lb · 11,400 kg | — |
| Wheelbase declared | 110.0 in · 2,794 mm | 120.1 in · 3,050 mm | +9% MF 1505 |
| Length declared | 228.3 in · 5,799 mm | 244.1 in · 6,200 mm | +7% MF 1505 |
| Width declared | 112.0 in · 2,845 mm | 98.4 in · 2,500 mm | +14% 6788 |
| Height, over the cab declared | 115.8 in · 2,941 mm | 131.1 in · 3,330 mm | +13% MF 1505 |
| Ground clearance declared | 28.4 in · 721 mm | 15.0 in · 380 mm | +90% 6788 |
| Fuel tank declared | 356.1–555.8 qt · 337.0–526.0 L | 479.7 qt · 454 L | differs |
International Harvester 6788 sources
Source
- Source: Traktorenlexikon, “IHC 6788”
- Source: Traktorenlexikon, “IHC 3588”
Massey Ferguson MF 1505 sources
Source
- Source: Traktorenlexikon, “Massey Ferguson MF 1505”