Nuffield DM-4 vs SOMECA SOM-40
8 material differences · fewer than 12
Which should you choose?
Read our verdict on the DM-4 and the SOM-40 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
8 material differences · 5 fields identical or within 5%, which is not counted as material
| Field | DM-4 | SOM-40 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.9 hp | 44.4 hp | — |
| Engine declared | PERKINS P-4 | O.M.-FIAT COID-45 | differs |
| Displacement declared | 3.15 L | 4.16 L | +32% SOM-40 |
| Maximum torque declared | 130 lb·ft · 176 N·m | — | — |
| Transmission | |||
| Top speed declared | 17.4 mph · 28 km/h | 13.0 mph · 21 km/h | +33% DM-4 |
| Clutch declared | — | Pedal operated two stage dry double clutch | — |
| Hydraulics & hitch | |||
| Pump flow declared | 7.2 gpm · 27.3 L/min | 4.0 gpm · 15.0 L/min | +82% DM-4 |
| Three-point lift at ends declared | — | 2,425 lb · 1,100 kg | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 4,996 lb · 2,266 kg | 5,115 lb · 2,320 kg | — |
| Wheelbase declared | 78.0 in · 1,981 mm | 79.9 in · 2,030 mm | — |
| Length declared | 121.5 in · 3,086 mm | 132.5 in · 3,365 mm | +9% SOM-40 |
| Width declared | 69.0 in · 1,753 mm | 68.7 in · 1,745 mm | — |
| Height declared | 80.7 in · 2,051 mm | 72.0 in · 1,829 mm | +12% DM-4 |
| Ground clearance declared | 17.0 in · 432 mm | 14.3 in · 364 mm | +19% DM-4 |
| Turning radius, braked declared | — | 10.8 ft · 3.30 m | — |
| Fuel tank declared | 67.2 qt · 63.6 L | 59.2 qt · 56.0 L | +14% DM-4 |
Nuffield DM-4 sources
Source
- Source: Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)”
SOMECA SOM-40 sources
Source
- Source: Traktorenlexikon, “Someca SOM 40”