• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1969–1972
  • 4,882 built

WhichTractor size, not the maker’s category

John Deere 3120 (A) Engine specs

11 engine values on record for the 3120 (A).

Engine power, claimed · gross or net not stated

79.9 hp

59.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “John Deere 3120”, 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 engine is in a 3120 (A)?

A 3120 (A) has a John Deere M 6 BL-H or 6.303 DL-01, a 6-cylinder 4.98 L diesel engine.

Engine — John Deere M 6 BL-H or 6.303 DL-01 specifications
Make & modelJohn Deere M 6 BL-H or 6.303 DL-01
FuelDiesel
Cylinders6
Displacement303.7 ci · 4.98 L
CoolingLiquid-cooled
Fuel injectionDirect injection
Maximum torque228 lb·ft · 309 N·m
Air cleanerDonaldson dry air filter
Cylinders6
Displacement5.3 qt · 5.0 L
Bore3.9 in · 98 mm
Stroke4.3 in · 110 mm
Rated engine speed2,500 rpm

Source · Traktorenlexikon, “John Deere 3120”

Sources and how this page was built

11 engine values from Traktorenlexikon, “John Deere 3120”.

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 3120 — CC BY-SA 4.0, WIKIBOOKS-TL-49588 · revision 1018499. Wikibooks contributors (Traktorenlexikon). Original document