Port of Baltimore Dray Truck Replacement Program
A Maryland Port Administration supported program
The EPA engine family name is a 12 character number/letter designation included on the engine nameplate for all heavy duty truck engines sold in the United States. In general, the nameplate is permanently affixed to the engine. The exact location and appearance of the nameplate varies by engine manufacturer. Examples of nameplates from three major engine manufacturers are included below. 
Caterpillar Engine Example
Cummins Engine Example
Detroit Diesel Engine Example
This program is made possible by the United States Environmental Protection Agency, the Maryland Port Administration and the Maryland Environmental Service
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