Name: DETROIT Gen 5 DD Series
Brand: DETROIT
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For optimal fuel economy, use DFS 93K223 approved API FA-4 engine oil.

Synthetic Oils and Additives

Synthetic Oils

Synthetic oils may be used in Detroit™ Gen 5 Heavy Duty engines provided they

are approved by DFS. The use of synthetic oils does not necessarily ensure the

extension of the recommended oil drain intervals beyond the limits.

Supplemental Additives

Lubricants meeting the Detroit™ specifications outlined in this publication already

contain a balanced additive treatment. Supplemental additives are generally not

necessary and can even be harmful. These additives may be marketed as either oil

treatments or engine treatments, and are discouraged from use in Detroit™ Gen 5

Heavy Duty engines. Repair expenses which result in component malfunctions, or

damage attributed to the use of oil additives, are not covered by Detroit™ warranty.

How to Clean an Engine

Observance of all environmental protection regulations is required.

Information on suitable cleaning and protective products is available from any

authorized Detroit™ service outlet.

Gen 5 DD Platform Operators Manual

All information subject to change without notice. 77

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DETROIT Gen 5 DD Series Specifications

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