- 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
We looked and the record does not say what this machine is. How we decide what a machine is
John Deere 8320 specs: hp, weight, years
John Deere-PowerTech 6.081 HRW-202 six-cylinder diesel or John Deere 6081HRW25. The manufacturer claimed 247 horsepower. The only laboratory test on record is of one version: OECD Test 2045 measured 248.0 hp at the PTO of the 8320 (4 WD). Compared at the engine's rated speed, where the brochure figure is quoted, the shaft gave 218.6 hp — 11.4% below the claim.
Engine power, claimed · gross or net not stated
247 hp
184 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere 8320”, 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.
- Weight
- 20,029 lb
- Top speed
- 24.9 mph
John Deere 8320 specs: key facts
The John Deere 8320 was built from 2002 to 2005.
Only one version of the John Deere 8320 has a laboratory test on record: the 8320 (4 WD) produced 184.9 kW (248.0 hp) at the PTO, measured on OECD Test 2045.Source 2
The John Deere 8320 has a claimed engine power (gross or net not stated) of 184 kW (247 hp); it has no measured PTO figure.
The John Deere 8320 is four-wheel drive (4WD).Source 2
The John Deere 8320 has a John Deere-PowerTech 6.081 HRW-202 engine, a 6-cylinder 8.13 L diesel unit.
The John Deere 8320 weighs 9,085 kg (20,029 lb) unladen.
The John Deere 8320 has an independent rear PTO running at 540/1000 rpm.
Source · Traktorenlexikon, “John Deere 8320”
How much horsepower does an 8320 have?
The only laboratory test on record is of one version. OECD Test 2045 measured 248.0 hp at the PTO of the 8320 (4 WD). For the 8320 as a whole the figure is the 247 hp claimed for the engine, which is not power at the shaft.
Sources · Traktorenlexikon, “John Deere 8320”; OECD test report 2045, 2003
What engine is in an 8320?
An 8320 has a John Deere-PowerTech 6.081 HRW-202, a 6-cylinder 8.13 L diesel engine. 8320 (4 WD) tractors have a John Deere 6081HRW25.
| Make & model | John Deere-PowerTech 6.081 HRW-202 |
|---|---|
| Cylinders | 6, liquid-cooled |
| Displacement | 496.4 ci · 8.13 L |
| Max torque | 760 lb·ft · 1,030 N·m @ 1,300 rpm |
| Injection | Common-rail high pressure injection and electronic injection pump |
| Electrical system | 12 V |
Source · Traktorenlexikon, “John Deere 8320”
How much will an 8320 lift?
Hydraulic and PTO specifications for the 8320 are below.
| System | Closed centre, load sensingSource 2 |
|---|---|
| Pressure | 3,379 psi · 233 bar |
| Rear PTO | Independent, engine-driven, 540/1000 rpm @ 1,978 engine rpmEngages under load |
| PTO shaft | 1 3/4"- 20 teilig |
Source · Traktorenlexikon, “John Deere 8320”
What transmission does an 8320 have?
Transmission specifications for the 8320 are below.
| Clutch | Pedal-operated, hydraulic-wet John Deere multi-disc clutch |
|---|---|
| Brakes | Pedal-operated, hydraulic-wet VICKERS disc brake acting on differential side shafts |
| Steering | Hydrostatic EATON steering |
| Top speed | 24.9 mph · 40 km/h |
Source · Traktorenlexikon, “John Deere 8320”
How much does an 8320 weigh?
An 8320 weighs 20,029 lb (9,085 kg) unladen.
| Unladen weight | 20,029 lb · 9,085 kg |
|---|---|
| Maximum permissible mass | 30,865 lb · 14,000 kg |
| Wheelbase | 116.5 in · 2,960 mm |
| Length | 230.3 in · 5,850 mm |
| Width | 100.0 in · 2,540 mm |
| Height | 126.0 in · 3,200 mm |
| Ground clearance | 17.3 in · 440 mm |
| Front track | 60.0–88.0 in · 1,524–2,235 mm |
| Rear track | 60.0–130.6 in · 1,524–3,318 mm |
Source · Traktorenlexikon, “John Deere 8320”
What oil does an 8320 take, and how much?
An 8320 engine takes 22.7 qt (21.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 22.7 qt · 21.5 LSource: Traktorenlexikon, “John Deere 8320” · single source, not independently verified |
| Transmission | 158.5 qt · 150.0 LSource: Traktorenlexikon, “John Deere 8320” · single source, not independently verified |
| Front axle | 14.4 qt · 13.6 LSource: Traktorenlexikon, “John Deere 8320” · single source, not independently verified |
| Final drives | 3.6 qt · 3.4 LSource: Traktorenlexikon, “John Deere 8320” · single source, not independently verified |
| Cooling system | 35.9 qt · 34.0 LSource: Traktorenlexikon, “John Deere 8320” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
How much fuel does an 8320 burn per hour?
Measured on OECD Test 2045 (tested as the 8320 (4 WD)), at each condition the laboratory recorded.
Cost per hour = fuel used per hour × your fuel price (per litre, or per US gallon for the gal/h figure).
| Test condition | Fuel per hour |
|---|---|
| Maximum PTO powerPTO 184.9 kW (248.0 hp) at 894 rpm | 49.38 L/h 13.04 gal/h |
| Rated engine speedPTO 163.0 kW (218.6 hp) at 1,009 rpm | 47.58 L/h 12.57 gal/h |
| Standard PTO speedPTO 163.0 kW (218.6 hp) at 1,009 rpm | 47.58 L/h 12.57 gal/h |
| 75% load, 50% load | Not on record for this test |
Source · OECD Test 2045
Which tractors compare with an 8320?
Within 10% of its 247 hp of claimed engine power, the same type, and first built within 15 years of it.
- John Deere 8320T247 hp engine, claimed · 2002–2005Side by side with the 8320 →
- Deutz-Fahr Agrotron 265247 hp engine, claimed · 2003–2007Side by side with the 8320 →
- Renault Altes 936 RZ247 hp engine, claimed · 2001–2005Side by side with the 8320 →
- Renault Atles 935 RZ247 hp engine, claimed · 2000–2002Side by side with the 8320 →
- Case-IH 7250 Magnum245.5 hp engine, claimed · 1994–1997Side by side with the 8320 →
- New Holland T 8020244.6 hp engine, claimed · 2006–2011Side by side with the 8320 →
Common questions about the John Deere 8320
Is an 8320 two-wheel drive or four-wheel drive?
The John Deere 8320 is four-wheel drive (4WD).
What PTO does an 8320 have?
An 8320 has a independent 540/1000 rpm rear PTO on a 1 3/4"- 20 teilig shaft.
Sources and how this page was built
Compiled from OECD tractor test report 2045; and Traktorenlexikon, “John Deere 8320”.
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