HardlineFleet Service
Mobile Diesel & Heavy Equipment Repair - Engines, Hydraulics, Welding, Diagnostics. We come to the job site.
No Job Too Big. No Breakdown Too Remote.
Hardline Fleet Service is a mobile heavy-equipment and diesel repair operation based in Cedar City, Utah. We bring dealership-level tooling, OEM diagnostic software, and a fully equipped service truck directly to your machine so your iron is back in the dirt instead of waiting in a shop bay.
Full-Service Capabilities, Trucked to the Site
Every Hardline truck rolls out equipped to handle the work a dealership shop handles and we work on construction, mining, industrial, agricultural and transportation iron.
Engine Diagnostics & Repair
Cummins, Cat, Detroit, Volvo, Paccar, Deutz, Isuzu - We diagnose, tune, rebuild and replace.
Hydraulic Systems
Pumps, cylinders, valves, hoses and controls fully repaired in the field.
Electrical & Aftertreatment
Modern electronic controls, DPF, DEF, EGR, sensor and harness troubleshooting.
Welding & Fabrication
Structural repair, custom brackets, bucket builds and on-site fabrication.
Line Boring
Worn pins, bushings and bores machined back to spec without removing the machine.
Cooling & Fuel Systems
Radiators, water pumps, injectors, lift pumps, lines and tanks.
Drivetrain & Suspension
Differentials, transmissions, brakes, axles and final drives.
Preventative Maintenance
Scheduled PM programs that keep entire fleets ahead of failure.
Mobile repair
Construction
Excavators, dozers, loaders, skid steers, cranes.
Mining & Quarry
Haul trucks, drills, shovels and crushing equipment.
Agricultural
Tractors, harvesters, balers and irrigation equipment.
Transportation
Class 8 trucks, fleet diesels, trailers and powertrains.
Industrial
Stationary engines, generators and yard equipment.
Oil & Energy
Rig support, gen-sets and remote-site mechanical service.
Five States. One Phone Number.
Hardline runs out of Cedar City, Utah and dispatches across the Mountain West and Desert Southwest. If you operate iron in this footprint, we can be on your machine.
- Utah
- Nevada
- Arizona
- California
- Surrounding Western States
Get a Truck Rolling Today
Tell us the machine, the location, and the problem. We'll dispatch the closest Hardline truck and get you back to work.