Keeping You On The Road

Thank you for visiting!

c.G.c. Diesel & Truck Repair is a family owned and operated shop located in Commerce City, Colorado. We've been proudly serving the Trucking industry for over 25 years. There's no jobs too big or small for c.G.c. managing fleets, complete overhauls, oil changes, DOT inpections, all the way down to fixing a single clearance light.


We pride oursevles in both the quality of our work and our customer service. We want you to look forward to coming into our shop with the confidence that we'll not only treat your truck like it was our own, but also that you'll be given top notch customer service.


c.G.c.'s owner Guy Allee is known in the area as the best mechanic around. He's been working on trucks for over 40 years and truly loves what he does. Guy loves helping people and  always goes that extra mile to help as much as possible. Give Guy a call on the shop phone 303 286 1744 or his cell phone 303 877 9129.


If your currently having an issue with your truck and your on the road give Guy a call. Not all the time but sometimes he can walk you through repairs over the phone to get you back on the road. This offer goes to everyone not just c.G.c. customers. Even if you don't come through Colorado give Guy a call and we'll try to help.



The entire c.G.c. team

Another on of our million plus mile customers!