Caterpillar
RD4
Farm tractor · 1935–1940 · 44 hp
CaterpillarRD4
The Caterpillar RD4 is a farm tractor manufactured from 1935 to 1940. It features a 44 hp engine. The transmission is a gear type with 5 forward and 1 reverse.
Engine
| Fuel Type | diesel |
|---|---|
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Displacement | 312.1 ci (5.1 L) |
| Bore | 4.25 in (108 mm) |
| Stroke | 5.5 in (140 mm) |
| Power Drawbar | 35.06 hp (26.1 kW) |
| Power Belt | 39.82 hp (29.7 kW) |
| Manufacturer | Caterpillar |
| Rated | 1,400 RPM |
Transmission
| Transmission Type | gear |
|---|---|
| Gears | 5 forward and 1 reverse |
| Clutch | dry disc |
| Available Options | 5-speed gear |