• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1984–1989

WhichTractor size, not the maker’s category

VALMET 905-4 Engine specs

13 engine values on record for the 905-4.

Engine power, claimed · gross or net not stated

103.5 hp

77.2 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Valmet 905”, 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 905-4?

A 905-4 has a VALMET D 66 DS 9, a 6-cylinder 6.60 L diesel engine.

Engine — VALMET D 66 DS 9 specifications
Make & modelVALMET D 66 DS 9
FuelDiesel
Cylinders6
Displacement402.5 ci · 6.60 L
CoolingLiquid-cooled
Fuel injectiondirect injection
Maximum torque291 lb·ft · 395 N·m
Maximum torque speed1,100 rpm
Air cleanerValmet dry air filter with cyclone pre-separator
Cylinders6
Displacement7.0 qt · 6.6 L
Bore4.3 in · 108 mm
Stroke4.7 in · 120 mm
Rated engine speed2,100 rpm
Torque rise13 %

Source · Traktorenlexikon, “Valmet 905”

Sources and how this page was built

13 engine values from Traktorenlexikon, “Valmet 905”.

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: Valmet 905 — CC BY-SA 4.0, WIKIBOOKS-TL-116354 · revision 997957. Wikibooks contributors (Traktorenlexikon). Original document