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3 Shops/Killdeer·Dickinson·Williston

HD DieselRepair Shop

Services

If it burns diesel, bring it here

Trucks, trailers, oilfield equipment, farm rigs and motorhomes. Below is what actually happens in our bays — no padded list of things we've never done.

Inside the shop: a red semi tractor apart in the near bay with wheels and parts on the floor, and a second truck up in the bay behind it

01

Semi Truck & Trailer Repair

The everyday work that keeps a unit earning — brakes, air, suspension, electrical, lights and trailer running gear.

  • Brakes, air systems and brake chambers
  • Suspension, steering and airbags
  • Electrical, charging and no-start diagnosis
  • Trailer running gear, lights and air lines
  • Getting a unit ready to pass inspection
The HD Diesel service pickup, lettered SERVICE TRUCK with the shop phone number on the box, parked out on a yard

02

24-Hour Road & Mobile Service

Down on a lease road, a shoulder or a customer's yard? We load the service truck and come to the unit.

  • Emergency call-outs, day or night
  • Roadside and on-location repair
  • Winter no-starts and gelled fuel
  • Blown airbags and suspension failures
How road service works
A yellow Caterpillar diesel engine out of the truck and up on a steel stand on the shop lot, part-way through a rebuild

03

Diesel Engine Repair

Major engine work done here — pulled, apart on the stand, back together and back in the truck.

  • Engine removal, teardown and reassembly
  • Cooling system and overheat diagnosis
  • Turbo, injector and fuel system work
  • Oil and coolant leak chasing
  • Belts, alternators and accessory drives
A clutch pack, flywheel and hub laid out on plywood beside a truck tire, part-way through a clutch job

04

Clutch & Driveline

Clutches, flywheels and driveline — pulled, measured and set up properly so it lives.

  • Clutch replacement and adjustment
  • Flywheel and pilot bearing service
  • Driveline and u-joint work
  • Transmission removal and refit
Close-up of a pair of heavy truck drive tires, tread and sidewall filling the frame, with red bodywork above

05

Tires & Wheel Ends

Steer, drive and trailer tires — plus the hub, seal and bearing work behind them.

  • Truck and trailer tire service
  • Hub, seal and wheel bearing work
  • Wheel seals and leaking hubs
Tire service in full
A tank trailer sitting on the yard in front of the shop, with the overhead doors and pickups behind it

06

Oilfield & Water Trailers

Water trailers, tankers and oilfield equipment — fixed by people who have run this country, not just read about it.

  • Water and vacuum trailer repair
  • Tanker running gear and plumbing
  • Oilfield equipment repair
  • Farm trucks and equipment too
A Class A diesel motorhome parked in the snow alongside the shop building

07

RV & Motorhome Diesel

A diesel pusher is still a diesel. We work on motorhomes — and there is room on the lot to leave it.

  • Diesel pusher engine and chassis work
  • Air, brake and suspension repair
  • Charging and electrical faults
  • Room to park while we wait on a part

08

Walk-Ins & Quick Turns

Some jobs do not need an appointment. Pull in, tell us what it is doing, and we will tell you straight.

  • Walk-ins welcome
  • Quick diagnosis before you commit to a repair
  • Straight answer on whether it is worth fixing

Not sure which of it you need?

That's normal — most people describe a noise, not a part. Call and describe the noise. We'll work out the rest.

Shop hours 8:00 AM – 6:00 PM weekdays · 8:00 AM – 5:00 PM Saturday and Sunday · breakdowns answered after hours

(701) 264-0054Shops