When your fleet is your livelihood, finding the right heavy diesel repair shop near you is critical. Whether you’re dealing with engine matters, diagnosing problems, or preparing for a DOT inspection, our certified team at Authority Fleet RV Repair on Long Island is here to help.

Expert Diesel Tractor & Engine Repair by You

Diesel tractors and heavy-duty trucks demand experienced hands. As a top-rated diesel engine repair shop near you, we specialize in servicing all types of diesel vehicles—tractors, trailers, box trucks, and more. Our certified diesel mechanics near you use advanced diagnostics and proven techniques to get you back on the road speedy.

Absolute Leaf Spring & Suspension Repair Near You

Experiencing sagging suspension or poor load balance? Our experts provide leaf spring repair near you with precision. We understand the importance of keeping your heavy-duty trucks stable and roadworthy, especially when hauling critical cargo across Long Island and beyond.

Your Move-To Box & Bucket Truck Repair Shop Near You

Searching for trusted box truck repair shops or a skilled bucket truck mechanic near you? We offer full-scale repairs for commercial vehicles, including liftgate systems, brake systems, hydraulics, and lighting. Trust us to keep your delivery or utility fleet administration reliably.

Certified DOT Yearly & Commercial Vehicle Inspections

DOT regulations require regular compliance. We make it easy with DOT annual and commercial vehicle inspection services near you available at our Long Island facility. With minimal downtime, we inspect and certify your fleet to meet NY condition standards.

Full-Assistance Duty Truck & Fleet Mechanic

Our seasoned tow truck mechanics near you are equipped to handle everything from hydraulic repair to frame straightening. Whether you manage a single tow truck or a full fleet, we deliver speedy, efficient repairs you can count on.

Why Select Us for Diesel Repair on Long Island?

Certified Diesel Mechanic Near You-

Certified technicians with heavy-responsibility expertise

Heavy Diesel Repair Near You-

Full engine rebuilds, diagnostics, and emissions assistance

Heavy Diesel Repair Shop Long Island –

Trusted by contractors, OFFER companies, and municipalities

Fleet Mend Specialists –

Preventive maintenance programs are obtainable

Emergency Service Obtainable –

Rapid reaction when you need it most

Don't wait for a breakdown to find a repair shop. Stay compliant, safe, and completely operational with expert service from your local diesel specialists.

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