Technical specifications
| Manufacturer | S.A. Farina, Turin, Italy, 1930s |
| Type | T 58 |
| Description | 5-cylinder radial engine, crankcase, heads and pistons made of aluminium-alloy, streel-made cylinders |
| Stroke | 142 mm |
| Bore | 120 mm |
| Displacement | 8030 cm³ |
| Compression ratio | 5.4 |
| Power | 140 hp at 1950 rpm, at sea level |
| Specific fuel consumption | 210 g/hp/h |
| Brake mean effective pressure | 8.1 bar |
| Specific power | 17.4 hp/litre |
| Valvetrain system | 2 overhead valves per cylinder, operated by pushrods and rocker arms |
| Fuel feeding system | with one single-barrel gasoline Zenith carburetor, equipped with an inlet air pre-heating system |
| Ignition system | with two spark plugs per cylinder fed by two indipendent Marelli magneto distributors |
| Cooling system | air-fed |
| Lubrication system | forced by a gear pump |
| Mass | 150 kg |
| Mass-to-power ratio | 1.1 kg/hp |
