• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1993–1995

It sits on the standard-size/high-power boundary, so either size is a fair description. It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

Steyr 9190a Engine specs

13 engine values on record for the 9190 a.

Engine power, claimed · gross or net not stated

187.5 hp

139.8 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Steyr 9190 a”, 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 9190 a?

A 9190 a has a Steyr-VALMET WD 634 DS, a 6-cylinder 7.37 L diesel engine.

Engine — Steyr-VALMET WD 634 DS specifications
Make & modelSteyr-VALMET WD 634 DS
FuelDiesel
Cylinders6
Displacement449.4 ci · 7.37 L
CoolingLiquid-cooled
Fuel injectiondirect injection
Maximum torque583 lb·ft · 790 N·m
Maximum torque speed1,400 rpm
Air cleanerDONALDSON dry air filter including cyclone pre-filter
Cylinders6
Displacement7.8 qt · 7.4 L
Bore4.3 in · 108 mm
Stroke4.7 in · 120 mm
Rated engine speed2,200 rpm
Torque rise32 %

Source · Traktorenlexikon, “Steyr 9190 a”

Sources and how this page was built

13 engine values from Traktorenlexikon, “Steyr 9190 a”.

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: Steyr 9190 a — CC BY-SA 4.0, WIKIBOOKS-TL-108128 · revision 993764. Wikibooks contributors (Traktorenlexikon). Original document