J.I. Case 311-B vs OLIVER 1250-A (4 WD)
7 material differences · fewer than 12
Which should you choose?
We will not advise between these two machines, because the drive differs (2WD; Two-wheel or four-wheel drive); they were not built in overlapping years (1958–1959; 1969–1969). 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 · 4 fields identical or within 5%, which is not counted as material
| Field | 311-B | 1250-A (4 WD) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 36.5 hp | 41.4 hp | +14% 1250-A (4 WD) |
| Engine declared | — | FIAT 853-A | — |
| Displacement declared | — | 2.34 L | — |
| Maximum torque declared | — | 105 lb·ft · 143 N·m | — |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | — | Pedal operated dry LuK single disc clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | 3.0 gpm · 11.4 L/min | 5.8 gpm · 21.8 L/min | +91% 1250-A (4 WD) |
| Three-point lift at ends declared | — | 3,197 lb · 1,450 kg | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 4,074 lb · 1,848 kg | 4,123 lb · 1,870 kg | — |
| Wheelbase declared | 84.5 in · 2,146 mm | 77.0 in · 1,955 mm | +10% 311-B |
| Length declared | 130.0 in · 3,302 mm | 126.6 in · 3,215 mm | — |
| Width declared | 79.6 in · 2,022 mm | 62.4 in · 1,585 mm | +28% 311-B |
| Height declared | 61.0 in · 1,549 mm | 92.7 in · 2,355 mm | +52% 1250-A (4 WD) |
| Ground clearance declared | 21.5 in · 546 mm | 18.3 in · 465 mm | +17% 311-B |
| Turning radius, braked declared | 7.8 ft · 2.39 m | 9.4 ft · 2.86 m | +20% 1250-A (4 WD) |
| Fuel tank declared | 52.0 qt · 49.2 L | 57.1 qt · 54.0 L | +10% 1250-A (4 WD) |
J.I. Case 311-B sources
Source
- Source: Traktorenlexikon, “Case 311-B”
OLIVER 1250-A (4 WD) sources
Source
- Source: Traktorenlexikon, “Oliver 1250-A”