WhichTractor
  • WhichTractor size: Utility
  • No lab test on file
  • 1965–1972
  • 17,571 built

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

International Harvester 523 Engine specs

11 engine values on record for the 523.

Engine power, claimed · gross or net not stated

47.1 hp

35.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 523”, 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 the diesel 523?

The diesel 523 has a IHC D-179, a 3-cylinder 2.93 L diesel engine. Fitted to 523 (2WD), 523 (4WD).

Engine — IHC D-179 specifications
Make & modelIHC D-179Source 2
FuelDieselSource 2
Cylinders3Source 2
Displacement179.0 ci · 2.93 LSource 2
CoolingLiquid-cooled
Maximum torque131 lb·ft · 177 N·m
Maximum torque speed1,600 rpm
Air cleanerOil bath air cleaner with cyclone pre-separator
Cylinders3
Displacement3.1 qt · 2.9 L
Bore3.9 in · 98.4 mm
Stroke5.1 in · 128.5 mm
Rated engine speed2,100 rpm

Source · Traktorenlexikon, “IHC 523”

What engine is in the diesel 523?

The diesel 523 has a INTERNATIONAL-HARVESTER D-179, a 3-cylinder 2.93 L diesel engine. Fitted to 523 (A), 523 (A) (4WD).

Engine — INTERNATIONAL-HARVESTER D-179 specifications
Make & modelINTERNATIONAL-HARVESTER D-179
FuelDiesel
Cylinders3
Displacement179.0 ci · 2.93 L

Source · Traktorenlexikon, “McCormick 523”

Sources and how this page was built

11 engine values from Traktorenlexikon, “IHC 553”; Traktorenlexikon, “IHC 523”; and Traktorenlexikon, “McCormick 523”.

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: IHC 523 — CC BY-SA 4.0, WIKIBOOKS-TL-44148 · revision 999836. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 553 — CC BY-SA 4.0, WIKIBOOKS-TL-25838 · revision 957516. Wikibooks contributors (Traktorenlexikon). Original document
  3. Traktorenlexikon: McCormick 523 — CC BY-SA 4.0, WIKIBOOKS-TL-118107 · revision 1059859. Wikibooks contributors (Traktorenlexikon). Original document