Phoenix & Chandler's Trusted Diesel Fleet Repair & Maintenance
Same-day mobile & in-shop service for Class 6-8 trucks. DOT certified. Serving Arizona fleets since 2009.
For Business Owners & Fleet Managers Who Can't Afford Delays
partnering with the brands you trust
Mobile & In-Shop Diesel Services Throughout Phoenix & Chandler
In-shop and mobile fleet maintenance
DOT inspections & compliance support
Preventative maintenance programs
ASE-certified diesel mechanics since 2009
Specializing in Class 6 through Class 8 trucks
15+ Years Experience
Mobile & In-Shop Diesel Fleet Repair You Can Count On
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Zero Downtime Commitment
Every hour your truck is down costs you money. Our mobile fleet repair service brings certified diesel mechanics directly to your Phoenix or Chandler location. Most repairs completed within 24 hours. Same-day service available for KTS partners.
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DOT Compliance Made Simple
Stay ahead of inspections, not behind on fines. Our DOT-certified technicians perform comprehensive federal compliance inspections for Class 6-8 commercial vehicles. Annual DOT inspections and 90-day BIT inspections (California requirement).
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Transparent Pricing, No Surprises
Get detailed estimates before any work begins. No hidden fees. No upsells. Just honest pricing for the repairs your fleet actually needs. Maintenance tracking and reminders included for all KTS partners.
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Proven Fleet Expertise
We've been keeping Arizona fleets running since 2009. Specializing in operations with 3+ vehicles, we understand fleet management challenges. Both mobile and in-shop solutions available.
Trusted by Phoenix & Chandler Fleets Since 2009
New Customer Special: $150 Value
Get a complimentary DOT compliance inspection when you schedule your first preventive maintenance service.
Two essential services, one appointment
Minimize fleet downtime
Ensure DOT compliance
Build your custom maintenance plan
Perfect for fleet managers in Phoenix and Chandler looking to establish a reliable diesel maintenance partner.
Flexible Fleet maintenance: Wherever You Need Service
Mobile Diesel Repair Service
No towing required. Our mobile units bring shop-quality service to your yard, job site, or roadside location throughout Phoenix and Chandler. Emergency repairs, diagnostics, and preventative maintenance on-site.
Mobile service includes
Complete engine diagnostics & computer scanning
On-site engine repairs and minor rebuilds
Carb test
Transmission diagnostics and minor repairs
DPF regeneration and aftertreatment diagnostics
Suspension and steering repairs
Electrical system diagnostics and repairs
A/C diagnostics & repair
Brake adjustments and repairs
Emergency roadside assistance
In-Shop Diesel maintenance Facility
For major repairs and comprehensive diagnostics, our Phoenix facility offers state-of-the-art equipment for engine rebuilds, transmission service, drivetrain repairs, and suspension work on Class 6-8 trucks.
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
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.
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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.