225.647.3699 Monday - Friday 7:30 - 5:00 13397 Airline Hwy, Gonzales, LA 70737

Light & Medium Duty Diesel

Cummins, Powerstroke or Duramax Diesel Issues?

We're Here To Help

At Coy’s Diesel, we have skilled mechanics on board who specialize in the maintenance and repair of light and medium diesel trucks.  As a full service facility we have the latest computerized manuals and diagnostic equipment to ensure each of these vehicles are fixed as per factory specifications if not better.

We understand that these specialized vehicles need a gentler touch compared to heavy duty units. Our technicians are uniquely qualified to ensure your pride and joy remains road worthy and in pristine condition. 

Duramax Diesel

Duramax diesel engines are usually installed in light to medium trucks and is one of the best engines on the market. These engines are known for their reliability and especially its fuel efficiency. The brand is still going strong and we are proud to say we have extensive experience ensuring they perform at optimal efficiency.

Cummins Diesel

Known as a superior truck engine, Cummins diesel engines are known across the globe for their impressive horse power and the torque that a truck needs to tow large and heavy loads. Additionally, these engines are known for their durability.  At Coy’s Diesel we can ensure you that your Cummins diesel will run like clockwork for years to come.

Powerstroke Diesel

Known for its impressive hauling capabilities, the Powerstroke Diesel engine from Ford is outfitted in a range of trucks because of its power and efficiency. We can ensure this iconic diesel engine runs to perfection each time it is revved.   Let one of our skilled technicians take a look under the hood of your Ford today.

Choose Coy’s Diesel For Your Truck’s Diesel Engine Service And Repair Work

So whether you use your truck for towing, construction work, hauling or just to take the family on a day to the beach, we can fix it and get it back on the road as soon as you need it. To ensure your truck is in top condition inside and out we offer services such as the following:

  • Fleet service.
  • Tire service and repair.
  • Diesel repair and maintenance.
  • Wheel alignment.
  • Transmission services and clutch. 


Light and medium duty diesel vehicles are more popular than ever and for good reason. These beasts can take on the toughest terrain and the latest models are designed to be as eco friendly as possible. But we also know that just like any diesel engine, these eventually breakdown and for a variety of reasons.

We will be more than happy to take a look and see what we can do to ensure it is back on the road as soon as possible. So whether you need a quick repair job, routine maintenance, a complete overhaul of your diesel engine, or need emergency roadside assistance, get in touch with us at Coy’s Diesel today by calling us today.

Schedule Your Service Now

For Your Light or Medium Duty Diesel Vehicle