• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1969–1975

WhichTractor size, not the maker’s category

SOMECA 850 (TD) Engine specs

13 engine values on record for the 850 (TD).

Engine power, claimed · gross or net not stated

83.8 hp

62.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Someca 850”, 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 an 850 (TD)?

An 850 (TD) has a O.M.-FIAT CO 3/80 Var.4, a 4-cylinder 4.94 L diesel engine.

Engine — O.M.-FIAT CO 3/80 Var.4 specifications
Make & modelO.M.-FIAT CO 3/80 Var.4Source 1
FuelDieselSource 1
Cylinders4Source 1
Displacement301.5 ci · 4.94 LSource 1
CoolingLiquid-cooled
Fuel injectiondirect injection
Maximum torque235 lb·ft · 318 N·m
Maximum torque speed1,200 rpm
Air cleanerFiat oil bath air filter
Cylinders4
Displacement5.2 qt · 4.9 L
Bore4.3 in · 110 mm
Stroke5.1 in · 130 mm
Rated engine speed2,100 rpm
Torque rise14.5 %

Source · Traktorenlexikon, “Someca 850”

Sources and how this page was built

13 engine values from Traktorenlexikon, “Fiat 850/850 DT”; and Traktorenlexikon, “Someca 850”.

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: Fiat 850/850 DT — CC BY-SA 4.0, WIKIBOOKS-TL-88325 · revision 1074484. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Someca 850 — CC BY-SA 4.0, WIKIBOOKS-TL-121256 · revision 1067920. Wikibooks contributors (Traktorenlexikon). Original document