8 material differences · fewer than 12
Tractor oneHürlimann D-100 Super-Spezial1957–1960No measured PTO figureTractor twoSOMECA SOM-40 H1961–1963No measured PTO figure
Which should you choose?
We will not advise between these two machines, because they were not built in overlapping years (1957–1960; 1961–1963). 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
8 material differences · 4 fields identical or within 5%, which is not counted as material
| Field | D-100 Super-Spezial | SOM-40 H | Gap |
|---|---|---|---|
| Engine | |||
| Engine power, claimed claimed | 44.4 hp | 44.4 hp | — |
| Engine declared | Hürlimann D-100 | O.M.-FIAT CO 1D-45 | differs |
| Displacement declared | 4.02 L | 4.16 L | — |
| Maximum torque declared | 151 lb·ft · 205 N·m | — | — |
| Transmission | |||
| Top speed declared | 12.4 mph · 20 km/h | 13.7 mph · 22 km/h | +10% SOM-40 H |
| Hydraulics & hitch | |||
| Pump flow declared | — | 4.0 gpm · 15.2 L/min | — |
| Pressure declared | 640 psi · 44 bar | — | — |
| Rear PTO speeds declared | 540 rpm | 540 rpm | — |
| Weight & dimensions | |||
| Unladen weight declared | 4,233 lb · 1,920 kg | 5,172 lb · 2,346 kg | +22% SOM-40 H |
| Wheelbase declared | 79.9 in · 2,030 mm | 80.0 in · 2,032 mm | — |
| Length declared | 125.2 in · 3,180 mm | 132.5 in · 3,365 mm | +6% SOM-40 H |
| Width declared | 68.9 in · 1,750 mm | 68.7–95.1 in · 1,745–2,415 mm | differs |
| Height, over the steering wheel declared | 67.7 in · 1,720 mm | 72.0 in · 1,829 mm | +6% SOM-40 H |
| Ground clearance declared | — | 14.3 in · 364 mm | — |
| Turning radius, braked declared | 9.0 ft · 2.75 m | 10.8 ft · 3.30 m | +20% SOM-40 H |
| Fuel tank declared | 47.6 qt · 45 L | 59.2 qt · 56.0 L | +24% SOM-40 H |
Hürlimann D-100 Super-Spezial sources
Source
- Source: Traktorenlexikon, “Hürlimann D 100 SSP”
- Source: Traktorenlexikon, “Hürlimann D 100”
SOMECA SOM-40 H sources
Source
- Source: Traktorenlexikon, “Someca SOM 40 H”
- Source: Traktorenlexikon, “Someca SOM 40 B”