| Rolls-Royce C range engines (C6SFL model specifications) | |
|---|---|
| Overview | |
| Manufacturer | Rolls-Royce Limited |
| Layout | |
| Configuration | Six-cylinder, supercharged diesel[1] |
| Displacement | 12.17 litres (740 cu in)[1] |
| Cylinder bore | 5 1/8 inch (130 mm)[1] |
| Piston stroke | 6 inch (152 mm) |
| Combustion | |
| Fuel type | Diesel |
| Oil system | Dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 190 brake horsepower (140 kW) at 1,800 rpm[1] |
| Torque output | 600 lb⋅ft (810 N⋅m) at 1,300 rpm[1] |
The Rolls-Royce C range was a series of in-line 4, 6 and 8 cylinder diesel engines used in small locomotives, railcars, construction vehicles, and marine and similar applications. They were manufactured by the Rolls-Royce Oil Engine Division headed by William Arthur Robotham to 1963, initially at Derby and later at Shrewsbury, from the 1950s through to 1970s.[2]
Although officially termed the C range, they were best known for the most common C6SFL six-cylinder variant. Most had an output of around 200 bhp, with 233 bhp for the final models. Their construction was a conventional water-cooled vertical inline 6 four-stroke diesel engine of 12.17 litres (743 cu in). Most were supercharged by a Roots blower, but there were also variants with a turbocharger or naturally aspirated.[1]
A later addition to the range was the SF65C model. This was a lower-rated version of the C range 6-cylinder engine and shared many of the advantages of the range's component rationalisation. It was available in naturally aspirated or turbocharged variants, and both industrial and marine versions were available.[3]