Diagnostics-First Repair for Work Trucks & Commercial Fleets

Accurate diagnostics, verified testing, and dependable repair solutions for contractors, fleet vehicles, service trucks, and commercial vehicles throughout Las Vegas.

Serving Las Vegas, North Las Vegas, Henderson, and surrounding areas of Clark County.

COMMERCIAL FLEET & WORK TRUCK SUPPORT

Keeping contractors, service trucks, fleet vehicles, and commercial operations moving throughout Las Vegas.

From diagnostics and electrical troubleshooting to preventive maintenance, DOT inspections, and repair services, JC Diesel helps commercial vehicles stay productive and reduce unnecessary downtime.

We also provide California CARB testing services for commercial vehicles and fleets operating in California.

Learn More About California CARB Testing →
Learn More About California CARB Testing →
Explore Fleet & Work Truck Services →

Preventative Inspection & System Check

Complimentary 360° Vehicle Inspection (A/C Included)

Identify potential issues before they become costly repairs. Our 360° inspection evaluates key vehicle systems, including A/C performance, to help ensure reliable operation in Las Vegas driving conditions.

Extensive diesel engine repair and diagnostics performed on a Power Stroke work truck at JC Diesel in Las Vegas, NV. Our technicians addressed performance and reliability issues using professional diagnostic procedures to support fleet and commercial

Who We Support

JC Diesel supports local businesses and operators that depend on reliable work vehicles every day.

We provide diagnostics-first repair and maintenance solutions for contractors, service vehicles, fleet trucks, and commercial vehicles across Las Vegas.

  • Service Trucks

  • Dump Trucks

  • Delivery Vehicles

  • Small to Mid-Size Commercial Fleets

  • Contractors

  • Electricians

  • Landscapers

  • Utility Vehicles

Our focus is reducing downtime through accurate diagnostics, clear communication, and dependable repair solutions.

Need support for your work truck or fleet vehicle?

Our Services

  • Engine diagnostics in progress on a commercial work truck at JC Diesel LLC in Las Vegas

    ENGINE DIAGNOSTICS

    Diagnostics-first troubleshooting for work trucks and commercial vehicles experiencing warning lights, drivability concerns, or reduced power.

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  • California CARB Testing

    Certified California emissions compliance testing for commercial vehicles, work trucks, and fleet vehicles operating in California.

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  • Fleet preventive maintenance service in progress on a commercial vehicle in Las Vegas

    FLEET PREVENTIVE MAINTENANCE

    Preventive maintenance services designed to help work trucks and fleet vehicles reduce downtime and improve reliability.

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  • Transmission diagnostics being performed on a work truck at JC Diesel LLC

    TRANSMISSION DIAGNOSTICS

    Transmission diagnostics for work trucks and fleet vehicles experiencing shifting concerns, slipping, or drivability-related issues.

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  • Brake and ABS diagnostics being performed on a fleet vehicle in Las Vegas

    BRAKE & ABS DIAGNOSTICS

    Brake system and ABS diagnostics for work trucks and fleet vehicles experiencing warning indicators or braking concerns.

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  • Technician performing module programming on a commercial work truck at JC Diesel LLC

    MODULE PROGRAMMING

    Module programming and communication diagnostics for work trucks and commercial vehicles with electronic system concerns.

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  • Electronic diagnostics and electrical testing on a commercial vehicle at JC Diesel LLC

    ELECTRONIC DIAGNOSTICS

    Advanced electrical and electronic diagnostics for work trucks and commercial vehicles experiencing intermittent or system-related faults.

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  • HVAC and A/C diagnostics service on a commercial work truck at JC Diesel LLC

    HVAC & A/C DIAGNOSTICS

    A/C and HVAC diagnostics for work trucks and commercial vehicles with cooling, airflow, or climate-control concerns.

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  • DPF and SCR diagnostics in progress on a commercial diesel work truck

    DPF & SCR DIAGNOSTICS

    DPF and SCR diagnostics for work trucks and commercial vehicles experiencing derates, regeneration issues, or emissions faults.

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  • DOT inspection service for a commercial work truck at JC Diesel LLC in Las Vegas

    DOT INSPECTIONS

    DOT inspection services for work trucks and commercial vehicles focused on safety, compliance, and operational reliability.

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Mobile Fleet & Work Truck Support

Need on-site diagnostic or repair support for your work truck or fleet vehicle?

JC Diesel provides mobile diagnostic and repair support for qualifying commercial vehicles and fleet accounts throughout Las Vegas and surrounding areas.

Learn More About Mobile Fleet Service
Learn More About Mobile Fleet Service

Fleet Workflow Support

JC Diesel LLC is approved to service vehicles managed through Holman and Auto Integrate workflows.

We support fleet-managed repair processes with diagnostics-first recommendations, clear documentation, estimates, approvals, and repair communication for work trucks and commercial vehicles.

If your vehicle or fleet is managed through Holman, Auto Integrate, or a similar fleet management platform, our team can help coordinate service through the required approval process.

Services include:

  • Holman-managed vehicle support

  • Auto Integrate repair workflow support

  • Fleet repair estimates and documentation

  • Diagnostics-first repair recommendations

  • Work truck and commercial vehicle service

Need support for a fleet-managed vehicle?

  • “We spent thousands of dollars at Freightliner dealers and still had problems. Javier and his team went through the truck with a fine tooth comb and fixed the problems. Communication throughout the process was excellent.”

    — D and D General Services (Google Review)

  • “Other shops quoted a head gasket and turbo replacement. JC Diesel properly diagnosed the real issue — an EGR plug coolant leak and turbo actuator problem — and got us back on the road.”

    — Naomi Anthony (Google Review)

  • “They were able to find the transmission issue when no other shop could. Honest, fair, professional, and excellent communication throughout the process.”

    — Jacqueline Johnson (Google Review)

Professional Fluid Service in Progress

Advanced Maintenance Services Powered by BG

At JC Diesel, we offer professional preventive maintenance services using BG products and service equipment. These services are designed to help protect critical systems, improve reliability, and reduce the risk of costly failures.

This is not basic fluid service. Our BG maintenance services are performed with a diagnostics-first mindset and professional-grade equipment to help restore, clean, and protect the systems your vehicle depends on every day.

Available for gas, diesel, and fleet vehicles operating in Las Vegas conditions.

  • Helps support lubrication performance, reduce internal deposit accumulation, and maintain long-term engine reliability in work trucks, fleet vehicles, and commercial equipment operating under severe-duty conditions.

    Recommended for vehicles exposed to:

    • frequent idling

    • towing

    • stop-and-go operation

    • heavy-load use

    • extended service intervals

    Includes services using:

    • BG EPR Engine Performance Restoration

    • BG DOC Diesel Oil Conditioner

  • Cooling system maintenance services designed to help support temperature control, reduce internal corrosion, and maintain cooling system reliability for work trucks and commercial fleet vehicles operating in high-load and high-temperature environments.

    Recommended for:

    • fleet vehicles

    • contractor trucks

    • utility vehicles

    • severe-duty commercial operation

    Includes services using:

    • BG Cooling System Cleaner

    • BG Universal Super Cool

  • Brake fluid maintenance services designed to help protect hydraulic braking components, reduce moisture contamination, and support dependable braking performance for work trucks and commercial vehicles.

    Particularly beneficial for:

    • fleet vehicles

    • towing applications

    • heavy-use commercial vehicles

    • stop-and-go service operation

    Includes services using:

    • BG Brake Fluid Service Equipment

    • Professional-grade fluid exchange process

  • Professional emissions system maintenance services designed to help reduce soot accumulation, support DPF and SCR system operation, and maintain performance in diesel work trucks and commercial vehicles operating under severe-duty conditions.

    Recommended for vehicles exposed to:

    • excessive idling

    • short-trip operation

    • stop-and-go driving

    • towing and load-heavy operation

    • frequent regeneration concerns

    Includes services using:

    • Professional-grade emissions system cleaning products

    • Verified maintenance recommendations based on operating conditions and system performance

  • JC Diesel performs maintenance services using professional-grade BG service equipment designed to provide controlled application, improved cleaning performance, and consistent service quality.

    Our maintenance approach focuses on:

    • diagnostics-first recommendations

    • verified vehicle condition

    • fleet reliability

    • operational uptime

    • long-term system protection

These maintenance services are recommended based on vehicle condition, maintenance history, operating environment, emissions system condition, and verified findings — not guesswork.

Ask our team about BG maintenance services during your next inspection, diagnostic visit, or preventive maintenance appointment.

Add-On BG Protection for Qualified Services

Some BG maintenance services may qualify for added protection benefits when performed according to BG requirements.

This can include:
• Continued system protection
• Support against certain failures
• Added long-term value from your maintenance

Ask our team if your vehicle qualifies during your service visit.

contact us

6276 e. tropical pkwy
las Vegas, NV 89115

Hours
Monday–Friday
8:00am - 5:00pm

Phone
(725) 529-3721