The OM616 engine family is a diesel automobile Inline-four engine from Mercedes-Benz used in the 1970s and 1980s, and produced by Force Motors in India from the 1980s to the present.
This engine was used in various cars, vans and Unimogs over its production lifetime, and still finds use in Force Motors SUVs. The OM616 is a bored out version of the 2.2-litre Mercedes-Benz OM615 engine, which it replaced.
The abbreviation ¨OM¨ stands for ¨Öl-Motor¨ (Oil Motor), which refers to the fact that it runs on oil. This method of naming is still used on Mercedes-Benz diesel engines today.
Power update
The OM616 was a engine with power output of . In August 1978 the precombustion chamber was updated for more swirl and more efficient combustion. The new camshaft pushes the valves deeper so the air and exhaust gases have less resistance. The engine capacity was lowered to to satisfy engine displacement tax laws in Europe, but power output rose to . A similar technique power update around these time was also done on the OM615 and OM617.
Applications
- OM616.912
- 1978–1985 W123 (240D)
- OM616.916
- 1973–1976 W115 (240D)
- 1976–1978 W123 (240D)
- OM616.936
- TN
- G-Class
- OM616.937
- TN
The Mercedes OM 616 or its variants still power the light commercial vehicles of Bajaj Tempo, including the Tempo Traveller, the new Excel series of trucks and the Trax range of multi-utility vehicles. At present, Force Motors is also assembling other Mercedes engines and supplying it to Mercedes Benz India Ltd.
Specs of the OM616 used in the Trax SUV:
- Model OM - 616(D-98)
- Type 4 Cylinder, 4-Stroke, IDI
- Bore/Stroke
- Displacement
- Compression Ratio 21.0:1
- Max. Power output (ISO) at 4000 rpm
- Max. Torque at 1800-2000 rpm
- Air filter Oil Bath Type
- Oil filter Bye pass flow type paper filter
- Fuel filter Dual filter
- Oil sump capacity
See also
- List of Mercedes-Benz engines
References
es:Mercedes-Benz OM 621-OM 615-OM 616
it:Mercedes-Benz OM615#OM616