Parts for Detroit Diesel 12V92

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This engine, like other Detroit Diesels, has both a serial number and a model number. The serial number will start with 12VF, such as "12VF1234". The model number is an eight digit code, and for this engine, the model number will always start with 816, such as "8162-7000".

General Information

The Detroit Diesel 12V92 is a two cycle engine with a displacement of 1104 cubic inches or 18.1 liters. This engine has 7 main bearings, a stroke of 5 inches and a bore of 4.84 inches.

The natural or non-turbo engine has an oil capacity of 28-36 quarts. With filters, the capacity will be slightly lower, or 26.5-34.1 quarts. The turbocharged engine has a capacity of 38 quarts, with a minimum of 26.5 quarts needed for proper operation.

For turbo engines:

Please note this information is based on engine performance with a 12V-TAB marine engine with a TW-83 turbo and a 1.19 A/R turbine housing.

The normal oil pressure is 60 PSI at 2300 RPM, and a minimum of 40 PSI is needed for proper operation. The temperature of the lubricating oil should remain at 250 degrees F or less.

The normal coolant temperature is 185 degrees F at 2300 RPM, with a maximum of 200 degrees F.

The compression (at sea level) is 500 PSI at 600 RPM, with a minimum of 450 PSI at 600 RPM.