• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1959–1960

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

SOMECA SOM-40B Engine specs

9 engine values on record for the SOM-40 B.

Engine power, claimed · gross or net not stated

44.4 hp

33.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca SOM 40 B”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

What engine is in a SOM-40 B?

A SOM-40 B has a O.M.-FIAT CO 1D-45, a 4-cylinder 4.16 L diesel engine.

Engine — O.M.-FIAT CO 1D-45 specifications
Make & modelO.M.-FIAT CO 1D-45
FuelDiesel
Cylinders4
Displacement253.6 ci · 4.16 L
CoolingLiquid-cooled
Air cleaneroil bath air filter
Cylinders4
Displacement4.4 qt · 4.2 L
Bore4.1 in · 105 mm
Stroke4.7 in · 120 mm
Rated engine speed1,600 rpm

Source · Traktorenlexikon, “Someca SOM 40 B”

Sources and how this page was built

9 engine values from Traktorenlexikon, “Someca SOM 40 B”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Someca SOM 40 B — CC BY-SA 4.0, WIKIBOOKS-TL-121064 · revision 1061770. Wikibooks contributors (Traktorenlexikon). Original document