• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1965–1972
  • 24,690 built

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

International Harvester 624 (A) Engine specs

12 engine values on record for the 624 (A).

Engine power, claimed · gross or net not stated

57.3 hp

42.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick 624 (A)”, 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 624 (A)?

A 624 (A) has a INTERNATIONAL-HARVESTER D-206, a 4-cylinder 3.38 L diesel engine.

Engine — INTERNATIONAL-HARVESTER D-206 specifications
Make & modelINTERNATIONAL-HARVESTER D-206
FuelDiesel
Cylinders4
Displacement206.4 ci · 3.38 L
CoolingLiquid-cooled
Fuel injectionDirect injection
Maximum torque151 lb·ft · 205 N·m
Maximum torque speed1,600 rpm
Air cleanerMann & Hummel oil bath air cleaner with cyclone pre-separator
Cylinders4
Displacement3.6 qt · 3.4 L
Bore3.9 in · 98.4 mm
Stroke4.4 in · 111.1 mm
Rated engine speed2,100 rpm

Source · Traktorenlexikon, “McCormick 624 (A)”

Sources and how this page was built

12 engine values from Traktorenlexikon, “McCormick 624 (A)”.

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: McCormick 624 (A) — CC BY-SA 4.0, WIKIBOOKS-TL-118083 · revision 1059860. Wikibooks contributors (Traktorenlexikon). Original document