Caterpillar R3: all source data
All 24 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Caterpillar |
|---|
| (no label) | Agricultural Crawler tractor |
|---|
| (no label) | Built in Peoria, Illinois, USA |
|---|
| Total built | 60 |
|---|
| (no label) | The R3 was a special-order machine for the US Government, based on the Twenty-Eight. |
|---|
Engine| (no label) | Caterpillar 5.7L 4-cyl gasoline |
|---|
Transmission| (no label) | 3-speed gear |
|---|
Power| Drawbar (tested) | 34.44 hp | 25.7 kW |
|---|
| Belt (tested) | 41.99 hp | 31.3 kW |
|---|
Mechanical| Drive | crawler |
|---|
| (no label) | Open operator station. |
|---|
Dimensions| (no label) | Tracks |
|---|
Engine
Engine detail| (no label) | Caterpillar |
|---|
| (no label) | gasoline |
|---|
| (no label) | 4-cylinder |
|---|
| (no label) | liquid-cooled |
|---|
| Displacement | 350 ci | 5.7 L |
|---|
| Bore/Stroke | 4.50x5.50 inches | 114 x 140 mm |
|---|
| Fuel system | Ensign carburetor |
|---|
| Air cleaner | oil bath |
|---|
| Rated RPM | 1100 |
|---|
Transmission
Transmission| Type | gear |
|---|
| Gears | 3 forward and 1 reverse |
|---|
| Clutch | dry disc |
|---|