A reliable fleet is the backbone of your business. Whether you operate delivery trucks, semi trucks, box trucks, trailers, or a mixed commercial fleet, you need consistent maintenance to prevent breakdowns, reduce repair costs, and keep your trucks on the road.
At Mobile Diesel Truck Repair, we provide professional, dependable, and fully mobile fleet maintenance services across the Dallas–Fort Worth Metroplex and Houston, TX. Our certified diesel technicians come directly to your yard, job site, or distribution center with the tools and equipment needed to perform routine service, inspections, repairs, and DOT compliance checks — all on-site.
Schedule Fleet Maintenance: 855-457-1170
Mobile PM Service • DOT Inspections • Multi-Truck Support
Complete Fleet Maintenance Solutions
We service fleets of all sizes — from owner-operators with 2–3 trucks to large commercial fleets with 50+ units.
Preventive Maintenance (PM Service)
Routine maintenance is the key to eliminating downtime and extending the life of your trucks.
Our PM services include:
- Oil & filter changes
- Fuel filter replacement
- Air & cabin filters
- Greasing & lubrication
- Fluid checks & top-offs
- Cooling system service
- Transmission service
- Belt & hose inspections
We help you stay ahead of breakdowns and keep every unit running strong.
DOT Inspections & Safety Checks
Stay compliant and avoid roadside violations.
We provide:
- Annual DOT inspections
- Pre-trip & post-trip inspection support
- Brake & air system testing
- Lighting & electrical checks
- Tire & wheel inspections
- Trailer safety checks
DOT compliance is a critical part of fleet reliability — we make it easy.
Engine, Electrical & Aftertreatment Maintenance
Our technicians perform advanced diagnostics and repairs for:
- Diesel engines (Cummins, Detroit, Paccar, Cat, Volvo, Mack & more)
- Electrical systems & wiring
- Alternators & starters
- DEF, DPF, EGR & aftertreatment systems
- Sensors, modules & fault codes
We keep your engines performing at max efficiency.
Brake & Suspension Maintenance
Your fleet’s braking and suspension systems are essential for safety.
We service:
- Air brakes
- Hydraulic brakes
- Brake chambers
- Slack adjusters
- Airbags
- Leaf springs
- Shocks & struts
Avoid expensive downtime caused by brake failures and suspension damage.
Trailer Fleet Maintenance
We maintain and repair:
- Dry van trailers
- Flatbeds & step decks
- Reefer trailers
- Hotshot & gooseneck trailers
- Box truck liftgates
- Electrical & lighting systems
- Axles, hubs & bearings
- Roof, floor & door repairs
Your trailers work as hard as your trucks — we keep them dependable.
Why Companies Choose Our Fleet Maintenance Service
Faster Repairs & Less Downtime
We bring the mechanic to your fleet yard — not the other way around.
This reduces downtime and keeps trucks earning.
On-Site Service (We Come to You)
No sending trucks to a shop.
No lost productivity.
No wasted fuel.
We perform all maintenance right at your location in DFW and Houston.
Flexible Scheduling
We work around your operation:
- Nights
- Early mornings
- Weekends
- During downtime
- One-time or recurring services
We keep your fleet moving without disrupting your workflow.
Fleet Tracking & Maintenance Records
We maintain complete service logs for:
- PM intervals
- Repairs & part replacements
- DOT compliance
- Inspections
- Recommendations
You’ll always know your fleet’s status.
Trusted by Fleets Across DFW & Houston
We serve:
- Logistics & freight companies
- Delivery fleets
- Hotshot operators
- Construction fleets
- Service & utility trucks
- Owner-operators
- Municipal & commercial fleets
If it hauls or tows — we can maintain it.
Fleet Maintenance Coverage Areas
Dallas–Fort Worth Metroplex
Including:
- Dallas
- Fort Worth
- Arlington
- Irving
- Grand Prairie
- Garland
- Carrollton
- Plano
- Denton
- Lewisville
- Mesquite
- Wylie
Dallas–Fort Worth Metroplex
Including:
- Houston
- Pasadena
- Baytown
- Spring
- The Woodlands
- Humble
- Katy
- Sugar Land
- Pearland
If your fleet operates in DFW or Houston, we come to you.
Frequently Asked Questions
Do you offer fleet maintenance in both DFW and Houston?
Yes. We provide full mobile fleet maintenance services across the Dallas–Fort Worth Metroplex and the Houston, TX region. Whether your fleet operates in one city or runs routes between both areas, our mobile technicians can service your trucks and trailers at your yard, dock, job site, or distribution center.
What types of vehicles do you maintain in a fleet?
We service nearly all commercial vehicle types, including:
- Semi trucks & 18-wheelers
- Box trucks
- Hotshot trucks
- Diesel work trucks
- Service & utility trucks
- Delivery vehicles
- Commercial trailers (dry vans, flatbeds, reefers, hotshot, gooseneck, etc.)
If your business relies on diesel- or fleet-operated vehicles, we can maintain them.
What does your fleet maintenance service include?
Our fleet maintenance programs cover all essential systems to keep your trucks running, including:
- Preventive maintenance (PM service)
- Oil, fuel, air & cabin filter changes
- DOT inspections & safety checks
- Brake & air system maintenance
- Electrical & wiring repair
- Engine diagnostics
- DPF, DEF & aftertreatment service
- Suspension & steering service
- Trailer maintenance
We customize PM schedules based on mileage, workload, and manufacturer guidelines.
Can you perform fleet maintenance on-site?
Yes. We are a fully mobile service, which means we come to your fleet yard, terminal, warehouse, or job site.
On-site fleet maintenance eliminates:
- Driver downtime
- Unnecessary shop travel
- Towing costs
- Scheduling conflicts
Your trucks stay on the road — not in the shop.
Do you provide DOT inspections for fleets?
Absolutely. We offer:
- Annual DOT inspections
- Pre-trip & post-trip inspection support
- Brake, tire, and lighting checks
- Safety & compliance repairs
- Documentation for records
Our goal is to prevent violations and keep your fleet compliant.
How often should my fleet receive maintenance?
Fleet maintenance intervals depend on:
- Mileage (high-mileage fleets need more frequent PM)
- Vehicle type
- Operating conditions
- Manufacturer recommendations
- Workload & driving routes
Most fleets benefit from routine PM every 10,000–20,000 miles, but we tailor schedules to each fleet’s needs.
Do you work with small fleets and owner-operators?
Yes. We maintain:
- Small fleets (2–10 units)
- Medium fleets (10–50 units)
- Large commercial fleets (50+ units)
- Owner-operators
- Mixed fleets with different vehicle types
No fleet is too small — or too large — for our maintenance programs.
How do I schedule fleet maintenance service?
Scheduling is easy. Simply call 855-457-1170 or use the contact form on our website.
You can schedule:
- One-time PM service
- Recurring weekly, bi-weekly, or monthly maintenance
- DOT inspections
- Multi-unit service visits
- Emergency repairs
We work around your fleet’s operating hours to minimize downtime.
Call Now to Schedule Fleet Maintenance Service
Give your fleet the reliability it deserves.
📞 Call 855-457-1170
Fleet Maintenance • PM Service • DOT Inspections • Repairs
Serving Fleets Across DFW & Houston
Do you need Truck Repair Service?