Arizona’s leader in diesel repair and maintenance.

When it comes to servicing your rig, Automatic Muscle is the place to go. The skilled technicians at Phoenix’s Automatic Muscle each have over a decade of experience working on Cummins, Caterpillar, Detroit Diesel, Mercedes, and many other manufacturers of heavy trucks. Our many years of experience in the trucking repair industry will make you feel rest assured you are receiving top quality service to keep you on the road for the Long Haul!! In addition, Automatic Muscle stands behind all the repair work we do with a 90 Day Parts and Labor guarantee.

Automatic Muscle Diesel Repair Services Include:

• Preventative Maintenance
• Brake Repair & Replacement
• Air Systems
• Heating & Air Conditioning
• Engine Repair (Caterpillar,Detroit Diesel & Cummins)
• Cooling Systems
• Clutch & Transmission Repair and Replacement
• Differential Repair & Replacement
• Welding
• Electrical Systems
• Driveshaft & Universal Joints
• APU Unit Installation and Sales
• Trailer Repair