International Harvester 966 vs J.I. Case 1031
7 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1971–1974; 1966–1969). 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
7 material differences · 3 fields identical or within 5%, which is not counted as material
| Field | 966 | 1031 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 95.6 hp | 102.1 hp | +7% 1031 |
| Engine declared | INTERNATIONAL HARVESTER D-414 | — | — |
| Displacement declared | 6.78 L | — | — |
| Maximum torque declared | 305 lb·ft · 414 N·m | — | — |
| Transmission | |||
| Top speed declared | 18.6 mph · 30 km/h | 15.5 mph · 25 km/h | +20% 966 |
| Clutch declared | Pedal-operated DYNA-LIFE clutch | — | — |
| Hydraulics & hitch | |||
| Pump flow declared | — | 12.0 gpm · 45.4 L/min | — |
| Three-point lift at ends declared | 5,000 lb · 2,268 kg | — | — |
| Rear PTO speeds declared | 540/1000 rpm | 1000 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 11,625 lb · 5,273 kg | 9,334 lb · 4,234 kg | +25% 966 |
| Wheelbase declared | 104.8 in · 2,662 mm | 108.9 in · 2,767 mm | — |
| Length declared | 165.0 in · 4,191 mm | 165.0 in · 4,191 mm | — |
| Width declared | 98.0 in · 2,489 mm | 88.0 in · 2,235 mm | +11% 966 |
| Height declared | 105.0 in · 2,667 mm | 72.0 in · 1,829 mm | +46% 966 |
| Ground clearance declared | 14.0 in · 356 mm | 16.0 in · 406 mm | +14% 1031 |
| Turning radius, braked declared | 11.8 ft · 3.61 m | 11.2 ft · 3.43 m | — |
| Fuel tank declared | 147.9 qt · 140.0 L | 192.0 qt · 181.7 L | +30% 1031 |
International Harvester 966 sources
Source
- Source: Traktorenlexikon, “Farmall Farmall 966”
- Source: Traktorenlexikon, “IHC 966”
J.I. Case 1031 sources
Source
- Source: Traktorenlexikon, “Case 1031”