- 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
John Deere 6620 Transmission specifications
8 transmission values on record for the 6620.
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
How fast will a 6620 go?
The fastest speed on record for a 6620 is 24.9–31.1 mph (40–50 km/h). The gearbox itself is not on record yet.
| Drive | 4WDSource 1 |
|---|---|
| Forward gears | 24–36the article lists alternatives |
| Reverse gears | 24–36the article lists alternatives |
| Transmission as described | 24 forward/24 reverse or 36 forward/36 reverse |
| Top speed forward | 24.9–31.1 mph · 40–50 km/hthe article lists alternatives |
| Top speed reverse | 26.0 mph · 41.88 km/hhighest reverse speed printed in the article's speed tables |
| Creeper gears available, optional | Yes |
| Steering | Hydrostatic Danfoss steering |
Source · Traktorenlexikon, “John Deere 6620”
Where this page comes from
8 transmission values from Traktorenlexikon, “John Deere 6620”; and OECD test report 2038, 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 2/2 038: 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
- Traktorenlexikon: John Deere 6620 — CC BY-SA 4.0, WIKIBOOKS-TL-51301 · revision 1027751. Wikibooks contributors (Traktorenlexikon). Original document