This page provides a detailed comparison of the specifications for the Caterpillar RD4 and the Marshall Unknown.
| Caterpillar RD4 | Marshall Unknown | |
|---|---|---|
| Images | ||
|
|
||
| Engine | ||
| Engine Manufacturer | Caterpillar | - |
| Engine Cooling Type | Liquid-cooled | - |
| Engine Fuel Type | Diesel | Diesel |
| Engine Cylinders | 4 | 1 |
| Engine Displacement Value | 312 ci (5.1 L) | 310 ci (5.1 L) |
| Engine Rated Rpm | 1400 | 700 |
| Transmission | ||
| Transmission Type | Gear | - |
| Transmission Forward Gears | 5 | - |
| Transmission Reverse Gears | 1 | - |
| Dimensions | ||
| Miscellaneous | ||
| Hitch Category | - | III |
