Mobile & in-shop Diesel fleet maintenance in Phoenix & Chandler

For Business Owners & Fleet Managers Who Can't Afford Delays

Fast, Reliable Fleet Solutions That Keep Your team on The Road.

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Keep Your Fleet on the Road, Your Business on Track

In-shop and mobile fleet maintenance

DOT inspections & compliance support

Preventative maintenance programs

ASE-certified diesel mechanics since 2009

Specializing in Class 5 & Class 8 trucks

businesses we keep on the road

Smart Fleet Management Starts Here

Partner with KTS Diesel and get a free DOT inspection when you schedule your first preventive maintenance service.

  • Save $150 instantly with a complimentary DOT inspection when you schedule your first preventive maintenance.

  • Two essential services, one appointment.

  • Maximize efficiency while minimizing fleet downtime.

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Flexible Fleet maintenance: Wherever You Need Service

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Mobile Diesel maintenance in Phoenix & chandler

Our certified mobile diesel mechanics bring fully-equipped service trucks directly to your Phoenix or Chandler location. No towing fees, no downtime waiting for a shop appointment.

Mobile Services Include

  • Emergency roadside assistance

  • On-site preventative maintenance

  • DOT inspections

  • Carb test

  • Diagnostic troubleshooting

  • Brake repairs and adjustments

  • Electrical system repairs

  • Fluid services and filter changes

  • A/C diagnostic & repair

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In-Shop Diesel maintenance Facility

For major repairs and comprehensive diagnostics, our Phoenix & Chandler diesel repair facility offers state-of-the-art equipment and expert technicians.

In-shop service include

  • Complete engine diagnostics & computer scanning -

  • Engine rebuilds and overhauls

  • Carb test

  • Transmission repair and replacement

  • DPF cleaning and aftertreatment service

  • Suspension and steering repairs

  • Electrical system diagnostics

  • A/C diagnostic & repair

  • Brake system overhauls

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Why Phoenix & chandler Fleet Managers Choose KTS Enterprise

Serving Arizona fleets since 2009.

ASE Certified Technicians

Available exclusively for KTS Diesel partners - enjoy same-day service with most repairs completed within 24 hours.

Maintenance tracking & reminders.

Transparent Pricing, detailed estimates, no hidden fees.

DOT Certified. Full compliance inspections.

partnering with the brands you trust

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    Your Partner in Keeping Fleets Running

    Keep your fleet ahead of problems, not behind them. Fast, DOT-compliant service and preventative maintenance that cuts costs and stops breakdowns cold. Fleet managers trust us for one reason: we deliver results when it counts.


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    Reliable Fleet Support When It Matters Most

    Every hour of downtime costs you money. We prevent both. Expert maintenance and fast service that cuts repair costs, eliminates breakdowns, and keeps your fleet profitable on the road.

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    Committed to Fleet Truck Safety and Performance

    Safety protects drivers. Performance protects profits. Fast, expert service and proactive maintenance that keep your fleet safe, compliant, and earning instead of sitting in repair shops.

Your 24/7 Mobile Diesel Repair Shop

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