- WhichTractor size: Standard-size
- Lab tested ×1
- 2003–2007
WhichTractor size, not the maker’s category
John Deere 7420 Transmission specifications
11 transmission values on record for the 7420.
Measured at the PTO shaft
127.4 hp
Source · OECD Test 2081, measured
How fast will a 7420 go?
The fastest speed on record for a 7420 is 24.9–31.1 mph (40–50 km/h). The gearbox itself is not on record yet.
| Drive | 4WDSource 1 |
|---|---|
| Forward gears | 20Source 2 |
| Reverse gears | 20Source 2 |
| Transmission as described | Mechanical synchronizedSource 2 |
| Clutch | Pedal-operated, hydraulic wet multi-disc clutchOn record for 1 of 3 configurations |
| Top speed forward | 24.9–31.1 mph · 40–50 km/hOn record for 1 of 3 configurationsthe article lists alternatives |
| Top speed reverse | 24.9 mph · 40.15 km/hOn record for 1 of 3 configurationshighest reverse speed printed in the article's speed tables |
| Creeper gears available, optional | YesOn record for 1 of 3 configurations |
| Service brakes | Pedal-operated, hydraulic wet disc brake acting on differential side shaftsOn record for 1 of 3 configurations |
| Steering | Hydrostatic John Deere/Danfoss steeringOn record for 1 of 3 configurations |
| Differential lock | Electro-hydraulically operated multi-disc differential lock shiftable under loadOn record for 1 of 3 configurations |
Source · Traktorenlexikon, “John Deere 7420”
Where this page comes from
11 transmission values from OECD test report 2081, 2003; and Traktorenlexikon, “John Deere 7420”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- OECD Code 2 test report 2/2 081: John Deere 7420 — Licence not stated by the publisher; facts cited, OECD-2081 · published 2003-09-16 · retrieved 2026-09-14. OECD. Original document
- OECD Code 2 test report 2/2 081: John Deere 7420 — Licence not stated by the publisher; facts cited, OECD-2081 · published 2003-09-16 · retrieved 2026-09-14. OECD. Original document
- Traktorenlexikon: John Deere 7420 — CC BY-SA 4.0, WIKIBOOKS-TL-106508 · revision 883599. Wikibooks contributors (Traktorenlexikon). Original document