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

Hürlimann D-100 Super-Spezial and SOMECA SOM-40 H, field by field
FieldD-100 Super-SpezialSOM-40 HGap
Engine
Engine power, claimed claimed44.4 hp44.4 hp—
Engine declaredHürlimann D-100O.M.-FIAT CO 1D-45differs
Displacement declared4.02 L4.16 L—
Maximum torque declared151 lb·ft · 205 N·m——
Transmission
Top speed declared12.4 mph · 20 km/h13.7 mph · 22 km/h+10% SOM-40 H
Hydraulics & hitch
Pump flow declared—4.0 gpm · 15.2 L/min—
Pressure declared640 psi · 44 bar——
Rear PTO speeds declared540 rpm540 rpm—
Weight & dimensions
Unladen weight declared4,233 lb · 1,920 kg5,172 lb · 2,346 kg+22% SOM-40 H
Wheelbase declared79.9 in · 2,030 mm80.0 in · 2,032 mm—
Length declared125.2 in · 3,180 mm132.5 in · 3,365 mm+6% SOM-40 H
Width declared68.9 in · 1,750 mm68.7–95.1 in · 1,745–2,415 mmdiffers
Height, over the steering wheel declared67.7 in · 1,720 mm72.0 in · 1,829 mm+6% SOM-40 H
Ground clearance declared—14.3 in · 364 mm—
Turning radius, braked declared9.0 ft · 2.75 m10.8 ft · 3.30 m+20% SOM-40 H
Fuel tank declared47.6 qt · 45 L59.2 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”