The Caterpillar R4 is a compact tractor with a rated output of 31 hp, categorised among smaller options in its class. It was manufactured from 1938 to 1944. The tractor features a 4-cylinder petrol liquid-cooled engine, which drives a tracked undercarriage via a 5-speed gearbox. The R4 is suited to tasks on plots of up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
31 hp
Max power
23.0 kW
Catalogue coverage
Variants represented
2
Richest spec table
27 rows
Recorded power
31 hp
Transmissions
5-speed gear
Production years
1938-1944
Verified variants
0
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Overview
ManufacturerCaterpillarReference
Agricultural Crawler tractorReference
Built in Peoria, Illinois, USAReference
The Caterpillar R4 was a continuation of the model Thirty.Reference
