Cummins — 4021389

B3.9, B4.5, B5.9 Industrial Engine Identification Section E - Engine and System Identification Page E-1 Engine Identification Engine Dataplate B3.9, B5.9, and B4.5 Engines The engine dataplate shows specific facts about your engine. The engine serial number and Control Parts List provide information for ordering parts and for service. The engine dataplate must not be changed unless approved by Cummins Inc. B4.5 RGT Engines The engine dataplate shows specific facts about your engine. The engine serial number and Control Parts List provide information for ordering parts and for service. The engine dataplate must not be changed unless approved by Cummins Inc.

Have the following engine data available when communicating with a Cummins Authorized Repair Location. The information on the dataplate is mandatory when sourcing service parts. 1. Control parts list (CPL) 2. Model 3. Engine serial number 4. Emissions certification 5. Horsepower and rpm rating.