- Vehicle type: unspecified
- WhichTractor size: High-power
- Lab tested ×1
- 2002–2005
It sits on the standard-size/high-power boundary, so either size is a fair description. WhichTractor size, not the maker’s category
John Deere 8320 Engine specifications
20 engine values on record for the 8320.
Engine power, claimed · gross or net not stated
247 hp
184 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere 8320”, claimed
What engine is in the diesel 8320?
The diesel 8320 has a John Deere-PowerTech 6.081 HRW-202, a 6-cylinder 8.13 L diesel engine. Fitted to 8320.
| Make & model | John Deere-PowerTech 6.081 HRW-202 |
|---|---|
| Fuel | Diesel |
| Cylinders | 6 |
| Displacement | 496.4 ci · 8.13 L |
| Cooling | Liquid-cooled |
| Fuel injection | Common-rail high pressure injection and electronic injection pump |
| Maximum torque | 760 lb·ft · 1,030 N·m |
| Maximum torque speed | 1,300 rpm |
| Air cleaner | 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 | 45.7 % |
Source · Traktorenlexikon, “John Deere 8320”
What engine is in an 8320?
An 8320 has a John Deere 6081HRW25, a 6-cylinder 8.13 L engine. Fitted to 8320 (4 WD).
| Make & model | John Deere 6081HRW25 |
|---|---|
| Cylinders | 6 |
| Displacement | 496.4 ci · 8.13 L |
| Aspiration | Supercharged |
Source · OECD test report 2043, 2003
How much fuel does an 8320 use?
On OECD Test 2045, the 8320 used 13.04 gal/h (49.4 L/h) at maximum power.
| Fuel consumption, at maximum power | 13.04 gal/h · 49.4 L/h |
|---|---|
| Fuel consumption, at rated engine speed | 12.57 gal/h · 47.6 L/h |
| Fuel consumption, at standard PTO speed | 12.57 gal/h · 47.6 L/h |
| Engine speed, at maximum power | 1,950 rpm |
| Engine speed, at rated engine speed | 2,200 rpm |
| Engine speed, at standard PTO speed | 2,200 rpm |
| Maximum torque | 760 lb·ft · 1,030.0 N·m |
| Torque rise | 45.7% |
Source · OECD test report 2045, 2003
Where this page comes from
20 engine values from Traktorenlexikon, “John Deere 8320”; OECD test report 2043, 2003; and OECD test report 2045, 2003.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- OECD Code 2 test report 2/2 043: John Deere 8320T — Licence not stated by the publisher; facts cited, OECD-2043 · published 2003-02-06 · retrieved 2026-09-14. OECD. Original document
- OECD Code 2 test report 2/2 045: John Deere 8320 — Licence not stated by the publisher; facts cited, OECD-2045 · published 2003-02-10 · retrieved 2026-09-14. OECD. Original document
- Traktorenlexikon: John Deere 8320 — CC BY-SA 4.0, WIKIBOOKS-TL-9670 · revision 880793. Wikibooks contributors (Traktorenlexikon). Original document