• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1978–1982

WhichTractor size, not the maker’s category

John Deere 4840 Transmission specs

9 transmission values on record for the 4840.

Engine power, claimed · gross or net not stated

178.6 hp

133.2 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 4840”, 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.

How fast will a 4840 go?

The fastest speed on record for a 4840 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

Transmission — 4840 Transmission
DriveAvailable in two-wheel and four-wheel driveOn record for 0 of 1 configurations
Forward gears8–16the article lists alternatives
Reverse gears4–6the article lists alternatives
Transmission as described8 forward/4 reverse or 16 forward/6 reverse
ClutchHydraulically operated oil-cooled double-plate clutch
Top speed forward18.6 mph · 30 km/h
Top speed reverse6.4 mph · 10.3 km/hhighest reverse speed printed in the article's speed tables
SteeringHydrostatic steering consisting of gear pump, control valve and steering motor
Differential lockHydraulically operated, wet differential lock switchable under load

Source · Traktorenlexikon, “John Deere 4840”

Sources and how this page was built

9 transmission values from Traktorenlexikon, “John Deere 4840”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: John Deere 4840 — CC BY-SA 4.0, WIKIBOOKS-TL-105695 · revision 868546. Wikibooks contributors (Traktorenlexikon). Original document