Diesel Repair & Fleet Services

From advanced engine diagnostics to 24/7 roadside support, our certified diesel technicians keep your trucks and fleets running at peak performance.

Service Catalog

Commercial-grade diesel service

Every service is performed by certified technicians using premium parts and advanced diagnostics.

Diesel Engine Diagnostics

Advanced computerized diagnostics for Cummins, Detroit, Paccar, Duramax, Power Stroke and more. We read fault codes, test sensors, and find the root cause the first time.

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Brake Systems

Complete air and hydraulic brake inspection, repair and replacement. Drums, rotors, slack adjusters, ABS faults and DOT-compliant brake work.

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DOT Inspections

Federal annual DOT inspections performed by certified technicians so your trucks stay compliant and avoid costly out-of-service violations.

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Preventive Maintenance

Mileage-based PM programs covering fluids, filters, belts, hoses and full inspections to maximize uptime and extend the life of your equipment.

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Fleet Care Plans

Tailored service agreements with priority scheduling, digital records and predictable budgeting for owner-operators and commercial fleets.

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Electrical Diagnostics

Charging systems, starters, wiring harnesses, lighting and parasitic draws diagnosed with precision so you are never stranded by an electrical fault.

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Roadside Assistance

Around-the-clock mobile diesel mechanics dispatched to your location for jump starts, tire blowouts, air leaks, and on-site emergency repairs.

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Oil & Fluid Service

Heavy-duty oil changes, coolant flushes, DEF service, transmission and differential fluids using premium-grade lubricants for diesel powertrains.

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Why MR. T

Built for uptime, trusted by fleets

Certified diesel technicians for all major engine brands
Upfront written estimates with no hidden fees
Priority scheduling for fleet care plan members
24/7 mobile roadside repair across the region
Digital service records and DOT compliance tracking

Fleet Maintenance

30+

Years combined experience

24/7

Roadside availability

98%

Same-week turnaround

5★

Average fleet rating

Keep Your Trucks Moving. Talk To Us Today.

Request service online or call our dispatch line now. Certified diesel techs are standing by 24/7.

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