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Reliable fleet diesel maintenance services for semi trucks and commercial vehicles in Nort

Keep Your Fleet Moving

On-site fleet maintenance and diesel repair that keeps your trucks working and minimizes downtime

Why Fleets Choose Forged Diesel

Downtime costs money. Taking trucks out of service, sending employees across town, and waiting days for a shop appointment slows your business down.

Forged Diesel brings reliable diesel repair and preventative maintenance directly to your location. Whether you have 2 trucks or an entire fleet, we help keep your equipment working and your business moving.

Fleet Maintenance Services We Provide

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Preventative Maintenance

Routine oil changes, inspections, filters, fluids, and scheduled service designed to catch small issues before they become expensive downtime.

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Diagnostics & Repairs

Advanced computer diagnostics and troubleshooting for check engine lights, electrical faults, aftertreatment issues, brakes, suspension, and more.

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Mobile On-Site Service

Whether you're at your yard, jobsite, or stuck roadside, our mobile service keeps your trucks moving and downtime low.

Trusted Fleet Maintenance When Downtime Is Not An Option

When your truck goes down, every hour matters. Forged Diesel provides reliable mobile diesel repair, diagnostics, and preventative maintenance throughout Northern Arizona.

From owner operators to commercial fleets, we help keep trucks on the road with professional service, honest communication, and repairs done right the first time.

  • Routine Maintenance

  • Oil & Filter Changes

  • DOT Inspections

  • Brake Inspections

  • Fluid Checks

  • Battery Testing

  • Computer Diagnostics

  • Forced Regenerations

  • DEF/DPF Issues

  • Electrical Repairs

  • Fuel System Repairs

  • Air System Repairs

  • On-Site Fleet Service

  • Truck & Trailer Repair

  • Cooling System Repairs

  • Suspension Repairs

  • After Hours Support

  • Breakdown Repairs

Serving All Of Northern Arizona

Based out of Camp Verde and providing mobile fleet maintenance and diesel repair throughout Northern Arizona. Whether your trucks are at your yard, jobsite, or on the road, we bring professional service directly to you.

Areas We Commonly Serve

  • Flagstaff

  • Sedona

  • Prescott

  • Mayer

  • Camp Verde 

  • Dewey

  • Winslow

  • Payson

  • I-17 Corridor

  • I-40 Corridor

  • SR-260

  • SR-169

Need Reliable Fleet Maintenance?

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