The Mercedes-Benz OM906 or Mitsubishi 6S20 is a 6.4 liter (6,374cc) Straight-6 (I6) OHV Diesel engine with 3 valves per cylinder.[1] [2] It is related to the Straight-4 OM904 engine which has two cylinders chopped off, while the bore and stroke remain unchanged.[3]
It launched in 1996 and had a Unit injector system to deliver fuel to every cylinder. It used a twin-scroll Turbocharger that was giving ~1-1.6atm of boost.[4]
This engine is also used by Mitsubishi Fuso as 6S20, installed on Mitsubishi Fuso FJ series which is in turn a rebadged version of Mercedes Benz Axor produced by Bharatbenz in India.[5]
| 930mm (36.6in) | ||||
| Torque: | 810-1150Nm (597-848lb.ft) @ 1,200-1,600 rpm | Weight: | 540kg (1,190lbs) | |
|---|---|---|---|---|
| Aspiration: | Twin-scroll turbocharger, intercooler | Injection: | Direct injection | |
| Compression Ratio: | 18:1 | Boost: | 1-1.6atm | |
| Bore: | 102mm (4in) | Launch Year: | 1996 | |
| Stroke: | 130mm (5.1in) | |||
| Displacement: | 6,374cc (389CI) | |||
| Redline: | 2,300 rpm | |||
| Length: | 1,228mm (48.3in) | |||
| Width: | 640mm (25.2in) |