Engine Identification 1. Exhaust Gas Recirculation (EGR) Cooler 2. Exhaust Gas Recirculation (EGR) Valve / Actuator 3. Turbocharger 4. Crankcase Breather 5. Axial Power Turbine (APT) 6. Fuel Doser Valve (under cover) Figure 4. DD15 TC Right Side View 20 All information subject to change without notice. Copyright © 2022 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0189