Service Department

Harper Power Products is committed to delivering world class customer service. Along with our Toronto Head Office, we maintain five regional branches and two regional service centres strategically placed throughout Ontario that allow us to provide convenient and timely access to our comprehensive parts supply which enables us to offer extraordinary service and repair capabilities to all of our customers. Our Toronto, London, Hamilton and Ottawa service locations are now open 24 hours Monday - Friday!

Our consolidated operations span 24 acres and 210,000 square feet and are staffed with over 300 employees. Utilizing more than 100 service bays and numerous state-of-the-art service tools and test equipment, all service work done at Harper Power Products is performed by factory-trained mechanics.

Our Service Department is ready to meet your needs whether it's a routine tune-up or a complete engine and transmission rebuild. With 24/7 emergency road-side service - including advanced dynamometer testing and troubleshooting - look no further than Harper Detroit Diesel-Allison when you need quality parts and reliable service.