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EngineACERT Technology.The D7E electric drive train is powered by a 235 hp Cat C9.3engine with ACERT Technology. The engine utilizes aproven common rail fuel system for improved efficiency andfuel economy. Featuring the latest in Cat emissions reductiontechnologies, this engine meets U.S. EPA Tier 3, EU Stage IIIaand Japan MLIT Step 3 emissions regulations.The efficient drive train allows the engine to operate in atighter rpm range, 1500 – 1800 rpm, which helps extendengine life and improve fuel economy. The increaseddrivetrain efficiency also allows the machine to achievegreater performance at lower horsepower than previousmodels, adding even more to the D7E overall benefits.Features• Beltless design: Accessory systems are electricallypowered, so engine belts and alternators are not needed.••Serviceability: Electric priming pump and easier engineaccess make service easier.Leak Protection: Components are sealed, preventingleaks and protecting fluids from contamination.Cooling SystemEfficient and easy to service.The D7E cooling system uses a three-part radiatorbuilt with rugged, highly efficient aluminum bar coresfor charged air, jacket water, and the separate circuit.Although the jacket water and separate circuit coolantoperate at different temperatures, the radiator appearsand acts as one integrated unit. Airflow is managed bya hydraulic variable speed demand fan, reducing powerrequirements and fuel consumption. A molded shroudensures efficient air flow through the radiator and thefan utilizes lightweight, durable fiberglass blades for highefficiency and quiet operation. A larger gap between finsreduces plugging, and the single-plane design allows foreasier cleaning and service.4