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Caterpillar R4

The Caterpillar R4 is a tractor produced by Caterpillar. It is equipped with a 461 ci 7.6 L engine. Transmission: 5 forward and 1 reverse. Drive type: crawler.

Drive & Traction
crawler
Fuel & Capacities
Gasoline
Transmission
5 forward and 1 reverse

Overview

Caterpillar R4 tractor photo
1938 - 1944 Agricultural Crawler tractor
Production
Manufacturer
Caterpillar
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
The Caterpillar R4 was a continuation of the model Thirty.
Caterpillar R4 Engine
Caterpillar 7.6L 4-cyl gasoline
Engine details ...
Caterpillar R4 Transmission
5-speed gear
Transmission details ...
Caterpillar R4 Power
Drawbar (tested)
30.88 hp 23.0 kW
Belt (tested)
36.37 hp 27.1 kW
Performance test details ...
Mechanical
Drive
crawler
Open operator station.
Dimensions & Tracks
Tracks
Full dimensions and tracks ...

Engine

Engine Detail — 461 ci / 7.6 L Gasoline

Manufacturer
Caterpillar
Fuel Type
Gasoline
Configuration
4-cylinder, liquid-cooled
Displacement
461 ci 7.6 L
Bore/Stroke
4.75x6.50 inches 121 x 165 mm
Rated RPM
1400

Transmission

Transmission — 5 forward and 1 reverse gear

Type
gear
Gears
5 forward and 1 reverse
R4 gear speeds

Dimensions

Caterpillar R4 Tracks
Dimensions

Tests

Nebraska Tractor Test 272
Distillate 5-speed crawler October 13 - 24, 1936 Link: Nebraska Tractor Test 272 file
Belt power (max)
36.37 hp 27.1 kW
Drawbar performance
Max power
30.88 hp 23.0 kW
Gear 2 used for power test.
Max pull
6120 lbs 2776 kg
Gear 1 used for pull test.

Photos

Caterpillar R4 tractor photo

Caterpillar R4 tractor photo

Caterpillar R4 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Caterpillar R4.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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