Mobile & in-shop Diesel fleet Repair in Phoenix & Chandler
For Business Owners & Fleet Managers Who Can't Afford Delays
Fast, Reliable Fleet Solutions That Keep You on The Road.
Keep your fleet running and your business thriving with :
Emergency mobile & same-day in-shop service
DOT inspections & compliance support
Preventative maintenance programs
ASE-certified diesel mechanics since 2009
Specializing in Class 5 & Class 8 trucks
hear from our people
Smart Fleet Management Starts Here
schedule your first pm and receive a free dot inspection.
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.
Flexible Fleet Repairs: Wherever You Need Service
Mobile Diesel Repair Phoenix & chandler
On-Site Diesel Truck Service
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
In-Shop Diesel Repair Facility
Advanced Diesel Truck Repair Shop
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
Why Phoenix & chandler Fleet Managers Choose KTS Enterprise
Serving Arizona fleets since 2009.
ASE Certified Technicians
Same-Day Service. Most repairs completed in 24 hours.
Maintenance tracking & reminders.
Transparent Pricing, detailed estimates, no hidden fees.
DOT Certified. Full compliance inspections.
We are certified venders For
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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
DOT and 90-Day BIT Inspections
Commercially registered fleet vehicles require regular inspections to ensure they run safely and legally. Our DOT-certified technicians perform a comprehensive inspection annually, complying with the Federal regulations. Our experienced and qualified technicians also provide 90-day BIT (Basic Inspection of Terminals), as the State of California requires, for commercial motor vehicles to ensure safe fleet operation.
Who We Are
At KTS Diesel, we've been proudly serving businesses since 2009, offering dependable, top-tier diesel repair services. What started as a mobile repair service to meet the urgent needs of fleet operators has evolved into a comprehensive operation. Today, we provide both on-site and in-shop solutions, backed by years of expertise. Our commitment is to help businesses minimize downtime, avoid costly repairs, and maintain compliance with industry standards. With over a decade of experience, we remain dedicated to keeping your fleet running smoothly.