Technician focused on machinery repair tasks

Complete Diesel Truck Services Throughout Utah County

At Diego’s Shop, we’ve built our reputation on a foundation of unwavering honesty and warrantied results—values that set us miles apart from the shady competition. We understand that in this industry, your truck is your livelihood. That’s why we provide transparent, expert diesel service that eliminates the guesswork and gets your rig back to work without the runaround.

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Our Services

At Diego's Shop, we offer a full range of commercial and residential diesel repair services. Whatever the issue, our team has the expertise and equipment to get your truck back on the road quickly and safely.

Our diesel services include:

  • Diagnosis of check engine lights.
  • Computerized diagnostics & forced regenerations.
  • Full oil changes and fluid services.
  • Engine repair and overhauls.
  • Transmission rebuilds.
  • Clutch replacement.
  • Electrical diagnostics and repair.
  • Brake systems.
  • Suspension and drivetrain repair.
  • Hydraulics and mechanical maintenance.
Truck driver climbing into cab
Transmission, Hydraulics & Advanced Mechanical Repairs

Transmission, Hydraulics & Advanced Mechanical Repairs

From complex engine overhauls and transmission rebuilds to precision clutch replacements and electrical diagnostics, our technicians are equipped to handle it all using modern diesel diagnostic technology.

Our Facility

Our Facility

Our state-of-the-art repair facility is built for performance, safety, and efficiency. We maintain a clean, organized workspace equipped with the latest diagnostic tools to ensure every repair—from routine maintenance to major engine work—is completed to the highest industry standards.

Mechanic working on a truck engine

Service Radius

Distance is no obstacle to quality service. While we are a hub for Utah County and the Wasatch Front, our clients travel to us from across Utah, Western Colorado, and Southwestern Wyoming.

We proudly serve:

  • Major Commercial Centers: Salt Lake City Metro Area, Ogden.
  • Mining & Resource Regions: Tooele County, Carbon & Emery Counties, Uintah Basin.
  • Construction Corridors: Wasatch Front (Provo to Ogden), St. George / Washington County.
  • Agricultural Areas: Cache Valley, Sanpete & Juab Counties.

Types of Vehicles We Service

Light-Duty Diesel

Light-Duty Diesel

  • Ford F250, F350.
  • Chevy Silverado / GMC Sierra 2500HD & 3500HD.
  • Dodge Ram 2500 & 3500.
Medium-Duty & Commercial Trucks

Medium-Duty & Commercial Trucks

  • Freightliner box trucks, flatbeds, and step vans.
  • Workhorse step vans.
  • Ford F450, F550, F650, F750.
  • Isuzu NPR & NQR.
  • Chevy TopKick W5500, C6500, C7500.
  • International 4200, 4300, 4700.
  • Semi trucks such as Peterbilt, Kenworth, and more.

Whether you’re a residential owner or a commercial fleet manager, we have the experience to service your diesel vehicle properly.

Brands We Service

We provide comprehensive repair and maintenance for the industry’s leading heavy-duty truck manufacturers:

  • Kenworth
  • Peterbilt
  • International
  • Volvo
  • Freightliner
  • Ford
  • Chevy / GM
  • Dodge / Ram
  • Mack
  • Isuzu

Engine Expertise

Our technicians are highly skilled in diagnosing, servicing, and rebuilding a wide range of diesel engines, including:

  • Caterpillar
  • Cummins
  • Paccar
  • Volvo
  • Detroit
  • Ford Powerstroke
  • Chevy Duramax
  • Mack
  • Isuzu

Comprehensive Service Offerings

From routine maintenance to complex mechanical overhauls, we offer a full suite of services:

  • Preventive Maintenance (PM): Comprehensive oil changes and fluid services.
  • Engine Diagnostics & Repair: Everything from precision valve adjustments to full engine rebuilds.
  • Transmission & Clutch: Specialized rebuilding of Eaton Fuller manual transmissions, clutch replacements, and full transmission diagnostics.
  • Emissions & Electrical: Expert DPF (Diesel Particulate Filter) repair, check engine light diagnostics, and complex electrical troubleshooting.
  • Leak Detection: Accurate diagnosis and repair of both coolant and oil leaks.
  • Safety & Compliance: Certified DOT safety inspections to keep you compliant.
  • Specialized Systems: Hydraulic system installation and repair, plus suspension and steering services.
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Why Choose Us

Don’t settle for "shady" service—demand the best for your diesel. 

  • Preventive Maintenance Specialists We don't just fix problems; we prevent them. Our goal is to identify and resolve minor issues before they escalate into expensive, time-consuming breakdowns.
  • Honest Work, Fully Warrantied The foundation of our business is integrity. We provide honest assessments and stand behind every job with a 100% warranty on our work.
  • Quality You Can Trust We treat your equipment as if it were our own, ensuring that every repair meets the highest industry standards.
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Large truck near workshop entrance

Get Your Rig the Service it Deserves

Need more information or ready to schedule a service? Please don’t hesitate to reach out. We are here to keep your business moving forward. Schedule your service today.