Ford 6600 (A) vs International Harvester 666
11 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because the drive differs (2WD / 4WD; 2WD). 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 · 1 fields identical or within 5%, which is not counted as material
| Field | 6600 (A) | 666 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 77.0 hp | 66.1 hp | +16% 6600 (A) |
| Engine declared | Ford 256 DF | INTERNATIONAL HARVESTER C-291 | differs |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 18.6 mph · 30 km/h | +20% 666 |
| Clutch declared | — | Pedal-operated dry single-plate clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | 9.2 gpm · 35.0 L/min | 12.0 gpm · 45.5 L/min | +30% 666 |
| Three-point lift at ends declared | 4,740 lb · 2,150 kg | — | — |
| Rear PTO speeds declared | 540/1000 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 7,165 lb · 3,250 kg | 8,199 lb · 3,719 kg | +14% 666 |
| Wheelbase declared | 99.4 in · 2,524 mm | 103.0 in · 2,616 mm | — |
| Length declared | 143.7 in · 3,651 mm | 161.0 in · 4,089 mm | +12% 666 |
| Width declared | 68.9 in · 1,750 mm | 87.0 in · 2,210 mm | +26% 666 |
| Height declared | 100.0 in · 2,540 mm | 77.0 in · 1,956 mm | +30% 6600 (A) |
| Ground clearance declared | 17.7 in · 450 mm | 21.0 in · 533 mm | +18% 666 |
| Turning radius, braked declared | 10.6 ft · 3.22 m | 12.0 ft · 3.66 m | +14% 666 |
| Fuel tank declared | 79.8 qt · 75.5 L | 123.9 qt · 117.3 L | +55% 666 |
Ford 6600 (A) sources
Source
- Source: Traktorenlexikon, “Ford 6600”
International Harvester 666 sources
Source
- Source: Traktorenlexikon, “IHC 666”
- Source: Traktorenlexikon, “Farmall Farmall 756”
- Source: Traktorenlexikon, “Farmall Farmall 666”