• 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 Full specifications

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).

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

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.

Engine, claimed (gross/net not stated)
247 hp

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.

Engine — 8320 engine specifications
Make & modelJohn Deere-PowerTech 6.081 HRW-202
Cylinders6, liquid-cooled
Displacement496.4 ci · 8.13 L
Max torque760 lb·ft · 1,030 N·m @ 1,300 rpm
InjectionCommon-rail high pressure injection and electronic injection pump
Electrical system12 V

Source · Traktorenlexikon, “John Deere 8320”

How much will an 8320 lift?

Hydraulic and PTO specifications for the 8320 are below.

Hydraulics & PTO — 8320 hydraulics and PTO specifications
SystemClosed centre, load sensingSource 2
Pressure3,379 psi · 233 bar
Rear PTOIndependent, engine-driven, 540/1000 rpm @ 1,978 engine rpmEngages under load
PTO shaft1 3/4"- 20 teilig

Source · Traktorenlexikon, “John Deere 8320”

What transmission does an 8320 have?

Transmission specifications for the 8320 are below.

Transmission — 8320 transmission specifications
ClutchPedal-operated, hydraulic-wet John Deere multi-disc clutch
BrakesPedal-operated, hydraulic-wet VICKERS disc brake acting on differential side shafts
SteeringHydrostatic EATON steering
Top speed24.9 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.

Weights & dimensions — 8320 weights and dimensions
Unladen weight20,029 lb · 9,085 kg
Maximum permissible mass30,865 lb · 14,000 kg
Wheelbase116.5 in · 2,960 mm
Length230.3 in · 5,850 mm
Width100.0 in · 2,540 mm
Height126.0 in · 3,200 mm
Ground clearance17.3 in · 440 mm
Front track60.0–88.0 in · 1,524–2,235 mm
Rear track60.0–130.6 in · 1,524–3,318 mm

Source · Traktorenlexikon, “John Deere 8320”

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).

Fuel use measured on OECD Test 2045
Test conditionFuel per hour
Maximum PTO powerPTO 184.9 kW (248.0 hp) at 894 rpm49.38 L/h 13.04 gal/h
Rated engine speedPTO 163.0 kW (218.6 hp) at 1,009 rpm47.58 L/h 12.57 gal/h
Standard PTO speedPTO 163.0 kW (218.6 hp) at 1,009 rpm47.58 L/h 12.57 gal/h
75% load, 50% loadNot on record for this test

Source · OECD Test 2045

Which tractors compare with an 8320?

Within 10% of its 218.52 hp at the PTO (claimed), the same type, and first built within 15 years of it.

Everything else people ask

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.

Where this page comes from

Compiled from OECD tractor test report 2045; and Traktorenlexikon, “John Deere 8320”.

Last verified

Not yet verified

Spotted an error?

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 2/2 043: John Deere 8320T — Licence not stated by the publisher; facts cited, OECD-2043 · published 2003-02-06 · retrieved 2026-09-14. OECD. Original document
  2. 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
  3. Traktorenlexikon: John Deere 8320CC BY-SA 4.0, WIKIBOOKS-TL-9670 · revision 880793. Wikibooks contributors (Traktorenlexikon). Original document