At Double D Mechanical, we specialize in heavy-duty engine rebuilding and diesel repair services across Alberta. Our team is known for quality workmanship, honest communication, and customized solutions that keep your equipment running at peak performance. We specialize in Detroit Diesel, Caterpillar, and Cummins engine platforms, offering everything from complete engine rebuilds and diagnostics to mobile heavy-duty repairs and fleet maintenance.

We provide OEM-level warranty coverage at a fraction of dealership pricing, helping reduce downtime while delivering reliable, cost-effective results. From preventative maintenance and software support to aftermarket parts and powertrain repairs, Double D Mechanical is committed to keeping your trucks and equipment working hard when you need them most.