• WhichTractor size: Standard-size
  • No lab test on file
  • 1971–1974
  • 21,017 built

WhichTractor size, not the maker’s category

International Harvester 966 Engine specs

12 engine values on record for the 966.

Engine power, claimed · gross or net not stated

95.6 hp

71.3 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Farmall Farmall 966”, 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 966?

A 966 has a INTERNATIONAL HARVESTER D-414, a 6-cylinder 6.78 L diesel engine.

Engine — INTERNATIONAL HARVESTER D-414 specifications
Make & modelINTERNATIONAL HARVESTER D-414
FuelDiesel
Cylinders6
Displacement413.9 ci · 6.78 L
CoolingLiquid-cooledSource 1
Fuel injectionROOSA-MASTER injection pump and BOSCH injection and nozzle holder
Maximum torque305 lb·ft · 414 N·m
Maximum torque speed1,350 rpm
Air cleanerDry air filter
Cylinders6
Displacement7.2 qt · 6.8 LSource 1
Bore4.3 in · 109.22 mm
Stroke4.8 in · 120.65 mmSource 1
Rated engine speed2,400–2,600 rpmthe article lists alternatives

Source · Traktorenlexikon, “IHC 966”

Sources and how this page was built

12 engine values from Traktorenlexikon, “IHC 966”; and Traktorenlexikon, “Farmall Farmall 966”.

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: Farmall Farmall 966 — CC BY-SA 4.0, WIKIBOOKS-TL-118870 · revision 1034721. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 966 — CC BY-SA 4.0, WIKIBOOKS-TL-118869 · revision 1055526. Wikibooks contributors (Traktorenlexikon). Original document