• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1971–1974

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

Fiat 650-S (DT) Engine specs

10 engine values on record for the 650-S (DT).

Engine power, claimed · gross or net not stated

69.1 hp

51.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Fiat 650 S/650 S/DT”, 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 650-S (DT)?

A 650-S (DT) has a O.M.-FIAT CN 3, a 3-cylinder 3.71 L diesel engine.

Engine — O.M.-FIAT CN 3 specifications
Make & modelO.M.-FIAT CN 3Source 2
FuelDieselSource 2
Cylinders3Source 2
Displacement226.2 ci · 3.71 LSource 2
CoolingLiquid-cooled
Maximum torque203 lb·ft · 275 N·m
Maximum torque speed1,300 rpm
Cylinders3
Displacement3.9 qt · 3.7 L
Bore4.3 in · 110 mm
Stroke5.1 in · 130 mm
Rated engine speed2,200 rpm

Source · Traktorenlexikon, “Fiat 650 S/650 S/DT”

Sources and how this page was built

10 engine values from Traktorenlexikon, “Someca 650”; and Traktorenlexikon, “Fiat 650 S/650 S/DT”.

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 650 S/650 S/DT — CC BY-SA 4.0, WIKIBOOKS-TL-121827 · revision 1074413. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Someca 650 — CC BY-SA 4.0, WIKIBOOKS-TL-121250 · revision 1065768. Wikibooks contributors (Traktorenlexikon). Original document