• Rigid chassis
  • WhichTractor size: High-power
  • Not independently tested
  • 1978–1982

WhichTractor size, not the maker’s category

John Deere 4640 (A) Transmission specifications

10 transmission values on record for the 4640 (A).

Engine power, claimed · gross or net not stated

175.4 hp

130.8 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 4640”, claimed

How fast will a 4640 (A) go?

The fastest speed on record for a 4640 (A) is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

Transmission — 4640 (A) Transmission
DriveAvailable in two-wheel and four-wheel driveOn record for 0 of 1 configurations
Forward gears16
Reverse gears6
Transmission as described16 forward/6 reverse
ClutchHydraulically operated oil cooled double disc clutch
Top speed forward18.6 mph · 30 km/h
Top speed reverse12.6 mph · 20.3 km/hhighest reverse speed printed in the article's speed tables
Service brakesPedal operated hydraulic wet internal disc brake acting on differential layshaft
SteeringHydrostatic steering consisting of gear pump control valve and steering motor
Differential lockHydraulically operated under load shifting wet differential lock

Source · Traktorenlexikon, “John Deere 4640”

Where this page comes from

10 transmission values from Traktorenlexikon, “John Deere 4640”.

Last verified

Not yet verified

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Sources

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

  1. Traktorenlexikon: John Deere 4640CC BY-SA 4.0, WIKIBOOKS-TL-105694 · revision 868544. Wikibooks contributors (Traktorenlexikon). Original document