6 material differences · fewer than 12
Tractor oneIMT 5391980–1990No measured PTO figureTractor twoOLIVER 1250 (4 WD)1965–1969No measured PTO figure
Which should you choose?
Read our verdict on the 539 and the 1250 (4 WD) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
6 material differences · 7 fields identical or within 5%, which is not counted as material
| Field | 539 | 1250 (4 WD) | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 38.5 hp | 38.0 hp | — |
| Engine declared | IMR M-33/T-LP | FIAT 615 | differs |
| Displacement declared | 2.50 L | — | — |
| Maximum torque declared | 111 lb·ft · 150 N·m | — | — |
| Transmission | |||
| Top speed declared | 14.9 mph · 24 km/h | 15.5 mph · 25 km/h | — |
| Clutch declared | Pedal-operated, dry two-stage IKARUS-ZEMUM double clutch | Pedal-operated dry double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 4.2 gpm · 16.0 L/min | — | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 3,175 lb · 1,440 kg | 3,285 lb · 1,490 kg | — |
| Wheelbase declared | 72.0 in · 1,830 mm | 75.5 in · 1,918 mm | — |
| Length declared | 117.0 in · 2,972 mm | 118.0 in · 2,997 mm | — |
| Width declared | 64.0 in · 1,625 mm | 50.5 in · 1,283 mm | +27% 539 |
| Height, over the steering wheel declared | 54.0 in · 1,372 mm | 51.2 in · 1,300 mm | +6% 539 |
| Ground clearance declared | 21.0 in · 533 mm | 15.4 in · 390 mm | +37% 539 |
| Turning radius, braked declared | 9.7 ft · 2.95 m | 9.8 ft · 3.00 m | — |
| Fuel tank declared | 37.0 qt · 35.0 L | 52.8 qt · 50.0 L | +43% 1250 (4 WD) |
IMT 539 sources
Source
- Source: Traktorenlexikon, “IMT 539”
OLIVER 1250 (4 WD) sources
Source
- Source: Traktorenlexikon, “Oliver 1250”