• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1994–1998

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

John Deere 8400 Engine specs

13 engine values on record for the 8400.

Engine power, claimed · gross or net not stated

256.7 hp

191.4 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 8400”, 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 8400?

An 8400 has a John Deere-PowerTech 6.081 HRW-01, a 6-cylinder 8.12 L diesel engine.

Engine — John Deere-PowerTech 6.081 HRW-01 specifications
Make & modelJohn Deere-PowerTech 6.081 HRW-01
FuelDiesel
Cylinders6
Displacement495.5 ci · 8.12 L
CoolingLiquid-cooled
Fuel injectionDirect injection method
Maximum torque777 lb·ft · 1,054 N·m
Maximum torque speed1,400 rpm
Air cleanerDONALDSON dry air filter including cyclone pre-separator
Cylinders6
Displacement8.6 qt · 8.1 L
Bore4.6 in · 115.8 mm
Stroke5.1 in · 128.5 mm
Rated engine speed2,200 rpm
Torque rise42.6 %

Source · Traktorenlexikon, “John Deere 8400”

Sources and how this page was built

13 engine values from Traktorenlexikon, “John Deere 8400”.

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: John Deere 8400 — CC BY-SA 4.0, WIKIBOOKS-TL-48901 · revision 1023550. Wikibooks contributors (Traktorenlexikon). Original document