13 material differences
Tractor oneMassey Ferguson MF 421962–1965No measured PTO figureTractor twoSOMECA SOM-40 B1959–1960No measured PTO figure
Which should you choose?
We will not advise between these two machines, because their unladen weight differs by more than 25% (41%); they were not built in overlapping years (1962–1965; 1959–1960). 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
13 material differences · 2 fields identical or within 5%, which is not counted as material
| Field | MF 42 | SOM-40 B | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.4 hp | 44.4 hp | — |
| Engine declared | Perkins A 3.152 | O.M.-FIAT CO 1D-45 | differs |
| Displacement declared | 2.50 L | 4.16 L | +66% SOM-40 B |
| Transmission | |||
| Top speed declared | 15.5 mph · 25 km/h | 13.7 mph · 22 km/h | +14% MF 42 |
| Clutch declared | Pedal operated dry Laycock single disc clutch | Pedal operated dry double clutch | differs |
| Hydraulics & hitch | |||
| Pump flow declared | 4.2 gpm · 15.9 L/min | 4.0 gpm · 15.0 L/min | +6% MF 42 |
| Pressure declared | 2,304 psi · 159 bar | — | — |
| Three-point lift, at the coupling points declared | 2,610 lb · 1,184 kg | 2,425 lb · 1,100 kg | +8% MF 42 |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 3,638 lb · 1,650 kg | 5,115 lb · 2,320 kg | +41% SOM-40 B |
| Wheelbase declared | 72.0 in · 1,830 mm | 79.9 in · 2,030 mm | +11% SOM-40 B |
| Length declared | 116.9 in · 2,970 mm | 132.5 in · 3,365 mm | +13% SOM-40 B |
| Width declared | 72.0 in · 1,830 mm | 68.7–95.1 in · 1,745–2,415 mm | differs |
| Height, over the steering wheel declared | 55.1 in · 1,400 mm | 72.0 in · 1,829 mm | +31% SOM-40 B |
| Ground clearance declared | 13.4 in · 340 mm | 14.3 in · 364 mm | +7% SOM-40 B |
| Turning radius, braked declared | 9.0 ft · 2.75 m | 10.8 ft · 3.30 m | +20% SOM-40 B |
| Fuel tank declared | 40.7 qt · 38.5 L | — | — |
Massey Ferguson MF 42 sources
Source
- Source: Traktorenlexikon, “Massey Ferguson MF 42”
- Source: Traktorenlexikon, “Massey Ferguson MF 233”
- Source: Traktorenlexikon, “Massey Ferguson MF 42 S”
SOMECA SOM-40 B sources
Source
- Source: Traktorenlexikon, “Someca SOM 40 B”