Caterpillar
Caterpillar R4
The Caterpillar R4 was an agricultural crawler tractor produced from 1938 to 1944. It was a continuation of the model Thirty and built in Peoria, Illinois, USA. It featured a Caterpillar 7.6L 4-cylinder gasoline engine, a 5-speed gear transmission, and an open operator station. The R4 was designed for agricultural use with crawler drive and had tested drawbar power of 30.88 hp and belt power of 36.37 hp.
Power40 hp[B]
Founded1938 - 1944
ModelR4
Technical Specifications
Detailed specifications and technical data for Caterpillar R4
Power
| Belt (tested) | 36.37 hp (27.1 kW) |
|---|---|
| Drawbar (tested) | 30.88 hp (23.0 kW) |
Engine
| Type | Caterpillar 7.6L 4-cyl gasoline |
|---|---|
| Details | Caterpillar gasoline 4-cylinder liquid-cooled |
| Rated RPM | 1400 |
| Bore/Stroke | 4.75x6.50 inches (121 x 165 mm) |
| Displacement | 461 ci (7.6 L) |
Mechanical
| Drive | crawler |
|---|---|
| Operator station | Open operator station. |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Notes | The Caterpillar R4 was a continuation of the model Thirty. |
| Built in | Peoria, Illinois, USA |
| Years produced | 1938 - 1944 |
Transmission
| Type | gear |
|---|---|
| Gears | 5 forward and 1 reverse |
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