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Mercedes-Benz OM606 engine
Diesel engine
Diesel engine
| Field | Value |
|---|---|
| name | Mercedes-Benz OM606 engine |
| image | 606D30LA Motor.jpg |
| manufacturer | Mercedes-Benz |
| production | 1993–2001 |
| predecessor | Mercedes-Benz OM603 engine |
| successor | Mercedes-Benz OM613 engine |
| configuration | Straight-6 |
| displacement | 2996 cc |
| bore | 87 mm |
| stroke | 84 mm |
| block | Cast iron |
| head | Aluminum |
| valvetrain | DOHC 4 valves x cyl. |
| compression | 22.0:1 (Turbo) |
| turbocharger | No (.91x), Yes, intercooled (.96x) |
| fuelsystem | Indirect injection |
| management | Bosch |
| fueltype | Diesel |
| oilsystem | Wet sump |
| coolingsystem | Water cooled |
| power | 100-130 kW |
| torque | 210-330 Nm |
| weight | 210 kg |
25.0:1 (N/A) The Mercedes-Benz OM606 is a 2996 cc inline-six cylinder (R6/I6) double overhead camshaft (DOHC) diesel engine with indirect injection manufactured by Mercedes-Benz between 1993 and 2001. It replaced the single overhead camshaft (SOHC) OM603 engine.
It uses a Bosch electronically controlled inline injection pump (ERE) except in the W124 where it uses a Bosch mechanically governed inline injection pump (Bosch M pump with RSF governor).
It is related to the straight-4 2.0 and 2.2 litre OM604 and the straight-5 2.5 litre OM605 engine families of the same era.
Design
As with the OM603 the engine has a cast iron block and aluminum cylinder head, the block has 7 main caps, they are held by two bolts per cap. The head is a DOHC design with 4 valves per cylinder and split intake ports. Also like the OM603, it has hydraulic bucket type lifters, thus requiring no periodical valve adjustment. A big difference when compared to its turbo predecessors is the intercooler.
It has a double row timing chain that drives the injection pump and the camshafts, the sprocket is on the exhaust camshaft and both cams are connected by a gear drive, while the oil pump is driven by a separate single row chain. Only the .962 engine installed on the W210 E300 TURBODIESEL had a MAF sensor.
The main differences between the naturally aspirated and the turbocharged versions are the cylinder head, injection pump, valves, camshafts, rods, intake and exhaust manifolds and some minor differences like oil feed and return holes for the turbo and different crankcase ventilation system, valve cover and plastic engine cover.
Specifications
| ID | DIN-rated max. motive power | ||||
|---|---|---|---|---|---|
| at rpm | Max. torque | ||||
| at rpm | Aspiration | Years | Applications | ||
| OM 606.910 | 100 kW @ 4600-5005 rpm | 210 Nm @ 2200-4600 rpm | Natural | 1993–1996 | W124 E 300 D |
| OM 606.912 ERE | 1995–1997 | W210 E 300 D | |||
| OM 606.961 ERE | 130 kW @ 3800-4400 rpm | 330 Nm @ 1600-3600 rpm | Turbocharged intercooled | 1996–1999 | W140 S 300 Turbodiesel |
| OM 606.962 ERE | W210 E 300 Turbodiesel | ||||
| OM 606.964 ERE | 1996–2001 | W463 G 300 Turbodiesel |
References
References
- Taylor, James. (December 15, 2013). "Mercedes-Benz S-Class 1972-2013". Crowood.
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