• Rigid chassis
  • WhichTractor size: Utility
  • Lab tested ×1
  • 2002–2007

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

John Deere 6620 Full specifications

John Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP six-cylinder diesel or John Deere 6068HLA70 (DD20011). The manufacturer claimed 123 horsepower. The only laboratory test on record is of one version: OECD Test 2038 measured 117.1 hp at the PTO of the 6620 (4 WD).

Engine power, claimed · gross or net not stated

123 hp

92 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 6620”, claimed

Weight
13,040 lb
3-point lift
16,755 lb
Top speed
24.9–31.1 mph

John Deere 6620 specs: key facts

  • The John Deere 6620 was built from 2002 to 2007.

  • Only one version of the John Deere 6620 has a laboratory test on record: the 6620 (4 WD) produced 87.3 kW (117.1 hp) at the PTO, measured on OECD Test 2038.Source 1

  • The John Deere 6620 has a claimed engine power (gross or net not stated) of 92 kW (123 hp); it has no measured PTO figure.

  • The John Deere 6620 is four-wheel drive (4WD).Source 1

  • The John Deere 6620 has a John Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP engine, a 6-cylinder 6.79 L diesel unit.

  • The John Deere 6620 weighs 5,915 kg (13,040 lb) unladen.

  • The John Deere 6620 has an independent rear PTO running at 540E/540/1000 rpm.

  • The three-point hitch of the John Deere 6620 lifts 7,600 kg (16,755 lb) at the lower-link ends.

Source · Traktorenlexikon, “John Deere 6620”

John Deere 6620 tractor
Photo: JoachimKohler-HB, CC BY-SA 4.0 via Wikimedia Commons · Wrong photo?

How much horsepower does a 6620 have?

The only laboratory test on record is of one version. OECD Test 2038 measured 117.1 hp at the PTO of the 6620 (4 WD). For the 6620 as a whole the figure is the 123 hp claimed for the engine, which is not power at the shaft.

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

Sources · Traktorenlexikon, “John Deere 6620”; OECD test report 2038, 2003

What engine is in a 6620?

A 6620 has a John Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP, a 6-cylinder 6.79 L diesel engine. 6620 (4 WD) tractors have a John Deere 6068HLA70 (DD20011).

Engine — 6620 engine specifications
Make & modelJohn Deere PowrTech 6.068 HLA-070/V2-DE or 6.068 HL-471/HP
Cylinders6, liquid-cooled
Displacement414.2 ci · 6.79 L
Max torque353 lb·ft · 479.0 N·m @ 1,501 rpmSource 1
Electrical system12 V

Source · Traktorenlexikon, “John Deere 6620”

How much will a 6620 lift?

A 6620 lifts 16,755 lb (7,600 kg) at the lower-link ends.

Hydraulics & PTO — 6620 hydraulics and PTO specifications
SystemClosed centre, load sensingSource 1
Pressure3,017–3,220 psi · 208–222 bar
Lift at ends16,755 lb · 7,600 kg
Rear PTOIndependent, engine-driven, 540E/540/1000 rpmEngages under load
PTO shaft1 3/8"- 6 splines or 1 3/8"- 21 part

Source · Traktorenlexikon, “John Deere 6620”

What transmission does a 6620 have?

Transmission specifications for the 6620 are below.

Transmission — 6620 transmission specifications
SteeringHydrostatic Danfoss steering
Top speed24.9–31.1 mph · 40–50 km/hthe article lists alternatives

Source · Traktorenlexikon, “John Deere 6620”

How much does a 6620 weigh?

A 6620 weighs 13,040 lb (5,915 kg) unladen.

Weights & dimensions — 6620 weights and dimensions
Unladen weight13,040 lb · 5,915 kg
Maximum permissible mass20,944 lb · 9,500 kg
Maximum front axle load9,921 lb · 4,500 kg
Maximum rear axle load15,212 lb · 6,900 kg
Wheelbase104.3 in · 2,650 mm
Length185.2 in · 4,705 mm
Width96.3 in · 2,445 mm
Height113.2 in · 2,875 mm
Ground clearance18.1 in · 460 mm
Front track71.9 in · 1,827 mm
Rear track71.5 in · 1,815 mm

Source · Traktorenlexikon, “John Deere 6620”

How much fuel does a 6620 burn per hour?

Measured on OECD Test 2038 (tested as the 6620 (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 2038
Test conditionFuel per hour
Maximum PTO powerPTO 87.3 kW (117.1 hp) at 906 rpm24.64 L/h 6.51 gal/h
Rated engine speedPTO 81.9 kW (109.8 hp) at 1,042 rpm25.24 L/h 6.67 gal/h
Standard PTO speedPTO 86.0 kW (115.3 hp) at 1,000 rpm25.29 L/h 6.68 gal/h
75% load, 50% loadNot on record for this test

Source · OECD Test 2038

Which tractors compare with a 6620?

Within 10% of its 123 hp of claimed engine power, the same type, and first built within 15 years of it.

Everything else people ask

Is a 6620 two-wheel drive or four-wheel drive?

The John Deere 6620 is four-wheel drive (4WD).

What PTO does a 6620 have?

A 6620 has a independent 540E/540/1000 rpm rear PTO on a 1 3/8"- 6 splines or 1 3/8"- 21 part shaft.

Where this page comes from

Compiled from OECD tractor test report 2038; and Traktorenlexikon, “John Deere 6620”.

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 2/2 038: John Deere 6620 — Licence not stated by the publisher; facts cited, OECD-2038 · published 2003-01-22 · retrieved 2026-09-14. OECD; testing station DLG, Gross-Umstadt, Germany. Original document
  2. Traktorenlexikon: John Deere 6620CC BY-SA 4.0, WIKIBOOKS-TL-51301 · revision 1027751. Wikibooks contributors (Traktorenlexikon). Original document