• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1965–1972

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

John Deere 4020 Engine specs

11 engine values on record for the 4020.

Engine power, claimed · gross or net not stated

98.7 hp

73.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 4020”, 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.

What are the engine specifications of a 4020?

A 4020 has a John Deere engine; its type is not on record.

Engine — 4020 Engine
Engine makerJohn Deere
CoolingLiquid-cooled
Fuel injectionDirect injection
Maximum torque260 lb·ft · 353 N·m
Maximum torque speed1,100 rpm
Air cleanerDonaldson oil bath air filter
Cylinders6
Displacement7.0 qt · 6.6 L
Bore4.3 in · 108 mm
Stroke4.7 in · 120 mm
Rated engine speed2,500 rpm

Source · Traktorenlexikon, “John Deere 4020”

Sources and how this page was built

11 engine values from Traktorenlexikon, “John Deere 4020”.

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 4020 — CC BY-SA 4.0, WIKIBOOKS-TL-49606 · revision 1079187. Wikibooks contributors (Traktorenlexikon). Original document