• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1969–1971
  • 294 built

WhichTractor size, not the maker’s category

International Harvester 1456 Engine specs

9 engine values on record for the 1456.

Engine power, claimed · gross or net not stated

132.2 hp

98.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 1456”, 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 1456?

A 1456 has a INTERNATIONAL HARVESTER DT-407, a 6-cylinder 6.67 L diesel engine.

Engine — INTERNATIONAL HARVESTER DT-407 specifications
Make & modelINTERNATIONAL HARVESTER DT-407Source 1
FuelDieselSource 1
Cylinders6Source 1
Displacement406.9 ci · 6.67 LSource 1
CoolingLiquid-cooled
Air cleanerDry air filter
Cylinders6
Displacement7.0 qt · 6.7 L
Bore4.3 in · 109.75 mm
Stroke4.6 in · 117.48 mm
Rated engine speed2,400 rpm

Source · Traktorenlexikon, “IHC 1456”

Sources and how this page was built

9 engine values from Traktorenlexikon, “IHC 1026”; and Traktorenlexikon, “IHC 1456”.

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 1026 — CC BY-SA 4.0, WIKIBOOKS-TL-118758 · revision 1055405. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 1456 — CC BY-SA 4.0, WIKIBOOKS-TL-118787 · revision 1055411. Wikibooks contributors (Traktorenlexikon). Original document