
Mad Moose Equipment
Semi Truck Repair and Diesel Truck Repair in Rock Hill, SC
Shop and roadside repair for semis, dump trucks, service trucks and diesel pickups.
A truck that is not running is not earning. Mad Moose repairs semi trucks, dump trucks and other diesel trucks in our Rock Hill shop or at the roadside, with 24/7 response when you break down on I-77 or anywhere in our area.
We are a local, family-owned shop. You talk to the mechanic, you get a straight estimate, and we work to get you back on the road the same day whenever we can.
Truck Repairs We Handle
- Diesel engine diagnostics and repair
- Brakes and air systems
- Electrical, lighting and sensors
- Cooling systems and hoses
- Suspension and steering
- Preventive maintenance and oil service
- Dump bodies and hydraulic PTO systems
- Trailer repair
Trucks We Work On
- Semi trucks and tractors
- Dump trucks
- Service and utility trucks
- Box trucks
- Diesel pickups
- Trailers
How It Works
- 1
Call us with the truck, location and problem.
- 2
Bring it to our shop or we come to you.
- 3
Approve the estimate before work starts.
- 4
We repair it and get you back on the road.
Roadside Help When You Break Down
Broken down on I-77, I-85 or a back road in York County? Our mobile mechanic can often fix it where it sits. If it needs the shop, we can arrange the tow.
Why Crews Call Mad Moose
- Same-day service in most of our area
- 24/7 breakdown response
- Any make: CAT, Deere, Kubota, Bobcat, Komatsu, Case and more
- Shop repair or mobile repair at your site
- Rental machine available while yours is down
- Locally and family owned
Coverage
Where we work
Serving Rock Hill, Fort Mill, Charlotte, Gastonia, Concord, Monroe, Lancaster and about 60 miles around, plus larger jobs across the Carolinas.
Yard: 3321 Steen Cir, Rock Hill, SC · about 60 miles around
Diesel and Semi Truck Repair FAQ
Do you do roadside truck repair?
Yes. Call (839) 214-4766 24/7 and we will send a mobile mechanic when we can reach you.
Do you do DOT inspections?
Call us to check current availability.
Related Services

Mobile Diesel Mechanic
We come to your job site, yard or roadside to fix equipment and diesel trucks.

Fleet Maintenance
Scheduled service for contractor fleets of trucks and equipment, on site or in our shop.

Heavy Equipment Repair
Engine, hydraulic, electrical and undercarriage repair for any make of heavy equipment.
Get Diesel and Semi Truck Repair Today
Tell us the machine or truck, the location and the problem. We will call you back fast.

