Heavy Duty Truck Repair · 24/7 Nationwide

Heavy Duty Truck Repair.

Heavy duty trucks, the Class 7 and Class 8 vehicles that haul the country's freight, run bigger engines, bigger brakes, and bigger suspension components than a standard pickup or van, and when one goes down it usually means a loaded trailer sitting idle too. Road Rescue Network dispatches mobile technicians trained specifically on heavy duty platforms, with the air brake tools, diagnostic equipment, and parts inventory that heavier trucks require.

  • Class 7/8
  • Air Brakes
  • Suspension
  • Drivetrain
  • On-Site Service
  • 24/7
Mobile truck repair technician on-site
A mechanic in a red and black Road Rescue Network uniform inspects a car engine with a tool in one hand and a tablet in the other.

Why Heavy Duty Trucks Need Specialized Roadside Repair

Heavy duty trucks run air brake systems instead of the hydraulic brakes found on lighter vehicles, and an air brake failure, whether it's a leaking air line, a bad compressor, or a slack adjuster out of spec, can put a truck out of service under federal regulations until it's fixed. Mobile heavy duty techs carry the air system tools and gauges to diagnose and repair these failures at the roadside rather than requiring a specialized shop visit.

Suspension and drivetrain components on heavy duty trucks, from leaf springs and air ride suspension to driveshafts and differentials, are built to carry tens of thousands of pounds, and repairing them requires both the right tools and the physical capacity to work under a much heavier vehicle than a standard mobile mechanic might be equipped for.

Common Heavy Duty Breakdown Scenarios

A heavy duty truck that won't move because of an air brake lock, a blown air line, or a seized caliper is one of the most common calls Road Rescue Network dispatches on, since the air system is central to how these trucks operate safely. Electrical failures, particularly in the ABS and trailer-brake wiring harness, are another frequent cause of heavy duty breakdowns, since the wiring runs the full length of the truck and trailer and is exposed to road debris and weather.

Nationwide Heavy Duty Dispatch

Whether it's a weigh station shutdown, a highway breakdown, or a yard that needs a heavy duty tech on standby, call (800) 673-1060 and Road Rescue Network routes the nearest available heavy duty-certified technician to the exact location, 24 hours a day.

Every make. Every model.

Nationwide coverage across every major OEM.

From Peterbilt to Volvo, Mack to Freightliner — our network services every engine, every trailer, every box on the highway.

FreightlinerInternational TrucksPeterbiltHino TrucksKenworth
Heavy-duty OEM
Detroit DieselMack Trucks
Heavy-duty OEM
Volvo TrucksDetroit Diesel (legacy)
Heavy-duty OEM
Heavy-duty OEM
FreightlinerInternational TrucksPeterbiltHino TrucksKenworth
Heavy-duty OEM
Detroit DieselMack Trucks
Heavy-duty OEM
Volvo TrucksDetroit Diesel (legacy)
Heavy-duty OEM
Heavy-duty OEM

What Drivers Are Saying About Road Rescue Network

“Blew a turbo hose on I-80 outside of Cheyenne. These guys had a tech out in under 45 minutes with all the tools. He fixed the leak, topped my coolant, and had me rolling again like it never happened. True professionals. If you need diesel truck repair near me—this is who you call.”
Owner-operator · I-80, Cheyenne
“Lost air pressure on my trailer brakes and couldn't move an inch. Called Road Rescue Network and they diagnosed it over the phone, showed up quick, and swapped out a busted valve right on the spot. No shop visit, no tow—just solid trailer repair on the roadside.”
Fleet driver · mobile trailer repair

Heavy duty truck down?
Call now, we dispatch the nearest certified tech.

Live dispatcher answers. 24 hours. 7 days. 48 states.