Ottawa’s Trusted Diesel Performance & Repair Shop

Welcome to Precision Diesel! We are a family managed diesel repair shop, just located south of Ottawa, offering the best in diesel repair and maintenance service. Specialists in diesel with highly qualified mechanics working on your truck/equipment to diagnose and fix the issue quickly. We have seen it all and can fix it all.

Because diesel is what we know best, you have a team of experts getting to work right away on your equipment with these savings being passed onto you. We are also all about diesel performance with the latest tools & technology to provide your vehicle optimal power, fuel savings and longevity.

12024 Dawley Drive, Winchester, ON, K0C 2K0
613-774-6619 |

Some Happy Customers

“First time visiting this shop. Richard and Evan were great and really know their diesel trucks. I’ll be a repeat customer for sure.” – Don

“I realized my truck was a challenge, but you said you have never been beat before and you proved that. You are the best of the best.” – Larry