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

WhichTractor size, not the maker’s category

John Deere 4640 (A) Hydraulics & PTO specs

9 hydraulics and PTO 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

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 4640”, 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 much will a 4640 (A) lift?

A 4640 (A) lifts 7,326 lb (3,323 kg) at the lower-link ends.

Hydraulics & hitch — 4640 (A) Hydraulics & hitch
Hydraulic centreClosed centre
Pump flow33.3 gpm · 126 L/min
Hydraulic pressure3,481 psi · 240 bar
Rear remote valves2
Lift capacity at ball ends7,326 lb · 3,323 kg

Source · Traktorenlexikon, “John Deere 4640”

What PTO does a 4640 (A) have?

A 4640 (A) has a 1000 rpm rear PTO.

PTO — 4640 (A) PTO
Rear PTO driveEngine-driven
Rear PTO independenceIndependent
Rear PTO speeds1000 rpm
Rear PTO shaft1 3/8"- 21 spline

Source · Traktorenlexikon, “John Deere 4640”

Sources and how this page was built

9 hydraulics and PTO values from Traktorenlexikon, “John Deere 4640”.

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