International Harvester W-6 vs Nuffield PM-4
9 material differences · fewer than 12
Which should you choose?
Read our verdict on the W-6 and the PM-4 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.
Field by field
9 material differences · 2 fields identical or within 5%, which is not counted as material
| Field | W-6 | PM-4 | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 36.5 hp | 48.0 hp | +32% PM-4 |
| Engine declared | INTERNATIONAL HARVESTER C-248 | MORRIS-COMMERCIAL 38 T/V | differs |
| Displacement declared | 4.06 L | 3.77 L | +8% W-6 |
| Maximum torque declared | — | 148 lb·ft · 200 N·m | — |
| Transmission | |||
| Top speed declared | 14.3 mph · 23 km/h | 17.4 mph · 28 km/h | +22% PM-4 |
| Clutch declared | Pedal operated dry Rockford single plate clutch type 11 inch | Pedal-operated dry single-plate clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | — | 7.2 gpm · 27.3 L/min | — |
| Rear PTO speeds declared | 537 rpm | 540 rpm | differs |
| Weight & dimensions | |||
| Unladen weight declared | 4,830 lb · 2,191 kg | 4,546 lb · 2,062 kg | +6% W-6 |
| Wheelbase declared | 76.0 in · 1,930 mm | 78.0 in · 1,981 mm | — |
| Length declared | 124.4 in · 3,159 mm | 121.5 in · 3,086 mm | — |
| Width declared | 63.0 in · 1,600 mm | 69.0 in · 1,753 mm | +10% PM-4 |
| Height declared | 90.7 in · 2,305 mm | 80.7 in · 2,051 mm | +12% W-6 |
| Ground clearance declared | — | 17.0 in · 432 mm | — |
| Fuel tank declared | 84.0 qt · 79.5 L | 67.2 qt · 63.6 L | +25% W-6 |
International Harvester W-6 sources
Source
- Source: Traktorenlexikon, “McCormick W-6”
- Source: Traktorenlexikon, “McCormick Farmall-M”
Nuffield PM-4 sources
Source
- Source: Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”