Technical specifications
| Manufacturer | FIAT, Turin, Italy, from 1919 to 1926 |
| Type | 101 |
| Description | inline 4-cylinder engine, aluminium alloy crankcase with 3 main bearings, cast iron cylinder block and head |
| Stroke | 110 mm |
| Bore | 65 mm |
| Displacement | 1460 cm³ |
| Compression ratio | 4.3 |
| Power | 23 hp at 2600 rpm |
| Specific power | 15.8 hp/litre |
| Valvetrain system | 2 side valves per cylinder, controlled by a camshaft housed in the crankcase, driven by a pair of gears |
| Fuel feeding system | with a single barrel gasoline carburetor |
| Ignition system | with a spark plug per cylinder fed by a high-voltage magneto distributor Marelli MP4 |
| Cooling system | liquid-fed by a centrifugal pump |
| Lubrication system | forced by a gear pump |