Heavy Duty Alternator

Delco Remy Alternators by Vehicle Type

Know the year, make & model of your vehicle?  Visit our e-catalog to search by a specific vehicle application.

Construction Equipment

Delco Remy off higway alternators are built to be as tough and durable as the equipment they go - developed and tested to withstand rigorous environmental conditions.

Emergency Vehicle

High output alternators for emergency vehicle applications is a must to support all the auxiliary power.  We offer a wide variety of Delco Remy alternators for firetruck and other rescue vehicle applications.   

Heavy Duty On-Highway Truck

Delco Remy heavy duty alteratnors are designed for the long haul. The high efficiency designs have less engine horsepower requirements, resulting in substantial fuel savings. Our high output designs are designed to take on the demanding electrical loads of today's heavy duty truck.


Medium Duty & Vocational Truck

Vocational vehicles and other medium duty trucks experience frequent starts and stops every day and need the power to manage the load from auxiliary equipment on the vehicle. Delco Remy alternators are designed to outperform at low engine RPM, and models equipped with Remote Sense will dramatically improve battery charge time.

School Bus

Delco Remy heavy duty alternators provide the output required for all school bus applications. Even with the heaviest electrical loads from AC, chair lifts and other auxiliary power requirements, our high output alternators perform at low engine RPM.  The Remote Sense feature will also greatly improve battery charge time.

Transit Bus

We offer a line of Delco Remy alternators specifically designed for transit applications, delivering over 75% of rated output at engine idle to manage high continuous electrical loads found on these applications.

Transport Refrigeration & APU

We expanded our product coverage to include a complete line of new service alternators for refrigeration trailer units and auxiliary power units.  Now you have one source for all your heavy duty truck and trailer alternator applications.