Mercedes-Benz OM601 engine
Encyclopedia
The Mercedes-Benz OM601 engine is a 4 cylinder diesel
automobile engine that was manufactured by Mercedes-Benz
.
Two variants of the engine were built, a 1977 cc model and a 2299 cc version built for the US market. Both were rated by the manufacturer for 72 bhp at 4200 RPM and 96 ft.lbf of torque at 2800 RPM; the increase in displacement reduced emissions in order to meet US automobile emissions requirements
.
The OM601 was built with an aluminum head on an iron block.
Common complaints are blown head gaskets and warped cylinder heads due to overheating.
The camshafts and fuel injection pump are driven by a duplex chain from the crankshaft. A separate single row chain drives the oil pump from the crankshaft.
Fuel injection
is indirect
via a prechamber arrangement. The OM-601's injection pump is a mechanical fuel injection unit with a 5,150 RPM (+ or - 50 RPM) mechanical governor, automatic altitude compensation, and a 'load sensing' automatic idle speed control. The pump is lubricated by a connection to the engine oil circulation.
Use of the block heater was recommended in climates where it drops below 10 °F (-12.2 °C) for long periods.
In the November 1984 issue of Car and Driver Magazine Brock Yates describes the OM601 powered 190D versus the Gasoline M-102 powered 190E 2.3 around a track as, “…The Diesel is a Diesel. Nothing more nothing less. It is superbly quiet and well mannered as the breed goes…”
Diesel engine
A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...
automobile engine that was manufactured by Mercedes-Benz
Mercedes-Benz
Mercedes-Benz is a German manufacturer of automobiles, buses, coaches, and trucks. Mercedes-Benz is a division of its parent company, Daimler AG...
.
Two variants of the engine were built, a 1977 cc model and a 2299 cc version built for the US market. Both were rated by the manufacturer for 72 bhp at 4200 RPM and 96 ft.lbf of torque at 2800 RPM; the increase in displacement reduced emissions in order to meet US automobile emissions requirements
Automobile emissions control
Vehicle emissions control is the study and practice of reducing the motor vehicle emissions -- emissions produced by motor vehicles, especially internal combustion engines....
.
The OM601 was built with an aluminum head on an iron block.
Common complaints are blown head gaskets and warped cylinder heads due to overheating.
The camshafts and fuel injection pump are driven by a duplex chain from the crankshaft. A separate single row chain drives the oil pump from the crankshaft.
Fuel injection
Fuel injection
Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....
is indirect
Indirect injection
In an internal combustion engine, the term indirect injection refers to a fuel injection where fuel is not directly injected into the combustion chamber...
via a prechamber arrangement. The OM-601's injection pump is a mechanical fuel injection unit with a 5,150 RPM (+ or - 50 RPM) mechanical governor, automatic altitude compensation, and a 'load sensing' automatic idle speed control. The pump is lubricated by a connection to the engine oil circulation.
Use of the block heater was recommended in climates where it drops below 10 °F (-12.2 °C) for long periods.
In the November 1984 issue of Car and Driver Magazine Brock Yates describes the OM601 powered 190D versus the Gasoline M-102 powered 190E 2.3 around a track as, “…The Diesel is a Diesel. Nothing more nothing less. It is superbly quiet and well mannered as the breed goes…”