- 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 8400T Engine specs
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
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere 8400T”, 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 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.
| Make & model | John Deere-PowerTech 6.081 HRW-03Source 2 |
|---|---|
| Fuel | DieselSource 2 |
| Cylinders | 6Source 2 |
| Displacement | 496.2 ci · 8.13 LSource 2 |
| Cooling | Liquid-cooled |
| Maximum torque | 795 lb·ft · 1,078 N·m |
| Maximum torque speed | 1,200 rpm |
| Air cleaner | DONALDSON dry air filter including cyclone pre-separator |
| Cylinders | 6 |
| Displacement | 8.6 qt · 8.1 L |
| Bore | 4.6 in · 115.8 mm |
| Stroke | 5.1 in · 128.5 mm |
| Rated engine speed | 2,200 rpm |
| Torque rise | 47.1 % |
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).
| Make & model | John Deere 6081HRW03 |
|---|---|
| Cylinders | 6 |
| Displacement | 496.2 ci · 8.13 L |
| Aspiration | Supercharged |
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.
| Fuel consumption, at maximum power | 13.60 gal/h · 51.5 L/h |
|---|---|
| Fuel consumption, at rated engine speed | 13.00 gal/h · 49.2 L/h |
| Fuel consumption, at standard PTO speed | 13.00 gal/h · 49.2 L/h |
| Engine speed, at maximum power | 2,000 rpm |
| Engine speed, at rated engine speed | 2,200 rpm |
| Engine speed, at standard PTO speed | 2,200 rpm |
| Maximum torque | 795 lb·ft · 1,078.0 N·m |
| Torque rise | 46.9% |
Source · OECD test report 1783, 1998
Sources and how this page was built
19 engine values from Traktorenlexikon, “John Deere 8200T”; Traktorenlexikon, “John Deere 8400T”; and OECD test report 1783, 1998.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- 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
- Traktorenlexikon: John Deere 8200T — CC BY-SA 4.0, WIKIBOOKS-TL-106320 · revision 876392. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: John Deere 8400T — CC BY-SA 4.0, WIKIBOOKS-TL-106321 · revision 1056356. Wikibooks contributors (Traktorenlexikon). Original document