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  • WhichTractor size: High-power
  • Lab tested ×1
  • 1997–1998

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 T Engine specifications

19 engine values on record for the 8400 T.

Engine power, claimed · gross or net not stated

256.7 hp

191.4 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 8400T”, claimed

What engine is in the diesel 8400 T?

The diesel 8400 T has a John Deere-PowerTech 6.081 HRW-03, a 6-cylinder 8.13 L diesel engine. Fitted to 8400 T.

Engine — John Deere-PowerTech 6.081 HRW-03 specifications
Make & modelJohn Deere-PowerTech 6.081 HRW-03Source 2
FuelDieselSource 2
Cylinders6Source 2
Displacement496.2 ci · 8.13 LSource 2
CoolingLiquid-cooled
Maximum torque795 lb·ft · 1,078 N·m
Maximum torque speed1,200 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 rise47.1 %

Source · Traktorenlexikon, “John Deere 8400T”

What engine is in an 8400 T?

An 8400 T has a John Deere 6081HRW03, a 6-cylinder 8.13 L engine. Fitted to 8400T (Rubber tracklaying tractor).

Engine — John Deere 6081HRW03 specifications
Make & modelJohn Deere 6081HRW03
Cylinders6
Displacement496.2 ci · 8.13 L
AspirationSupercharged

Source · OECD test report 1783, 1998

How much fuel does an 8400 T use?

On OECD Test 1783, the 8400 T used 13.60 gal/h (51.5 L/h) at maximum power.

OECD Test 1783 — 8400 T as tested, configuration as printed: “Rubber tracklaying tractor · Powershift - 30 km/h”
Fuel consumption, at maximum power13.60 gal/h · 51.5 L/h
Fuel consumption, at rated engine speed13.00 gal/h · 49.2 L/h
Fuel consumption, at standard PTO speed13.00 gal/h · 49.2 L/h
Engine speed, at maximum power2,000 rpm
Engine speed, at rated engine speed2,200 rpm
Engine speed, at standard PTO speed2,200 rpm
Maximum torque795 lb·ft · 1,078.0 N·m
Torque rise46.9%

Source · OECD test report 1783, 1998

Where this page comes from

19 engine values from Traktorenlexikon, “John Deere 8200T”; Traktorenlexikon, “John Deere 8400T”; and OECD test report 1783, 1998.

Last verified

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Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. OECD Code 2 test report 2/1 783: John Deere 8400T — Licence not stated by the publisher; facts cited, OECD-1783 · published 1998-09-25 · retrieved 2026-09-14. OECD. Original document
  2. Traktorenlexikon: John Deere 8200T — CC BY-SA 4.0, WIKIBOOKS-TL-106320 · revision 876392. Wikibooks contributors (Traktorenlexikon). Original document
  3. Traktorenlexikon: John Deere 8400T — CC BY-SA 4.0, WIKIBOOKS-TL-106321 · revision 1056356. Wikibooks contributors (Traktorenlexikon). Original document