Diesel & Medium-Duty Fleet Specialists
TRDI services medium and heavy-duty commercial vehicles including diesel-powered fleets used in facilities, grounds, and logistics operations. We understand the demands of high-utilization equipment.
- Diesel engine diagnostics and repair for light-to-medium duty commercial trucks
- DEF system servicing and fuel filtration maintenance for emissions compliance
- Idle-hour service programs aligned to OEM recommendations for heavy-use equipment
- Scheduled fleet rounds with centralized reporting to keep your entire fleet tracked
Diesel Diagnostics
Fuel Filtration
Medium-Duty Vehicles
Preventive Maintenance
Preventive Maintenance
Preventive Maintenance
Scheduled PM programs that protect your fleet investment and prevent costly breakdowns.
- Oil & filter changes (OEM intervals)
- Tire rotation, balance & inspection
- Multi-point fleet inspection checklist
- Fluid inspections & top-off (all systems)
- Belt, hose & battery inspections
Diagnostics & Repairs
Preventive Maintenance
Preventive Maintenance
Advanced diagnostics to identify issues early and complete repairs that keep you compliant and safe.
- Engine & Check Engine Light reporting
- Brake system diagnostics & ABS repair
- Electrical, alternator & starter service
- Ignition & fuel system service
- Transmission diagnostics & fluid service
Suspension & Steering
Preventive Maintenance
Full suspension and steering service to maintain handling, ride quality and driver safety.
- Shocks, struts & control arms
- Ball joints & tie rod service
- Power steering repair
- Wheel alignment
- Brake pads, rotors & calipers
HVAC & Cooling Systems
Keep drivers comfortable and engines cool with complete climate and cooling system service.
- A/C diagnostics & recharge
- Compressors & blower motor repair
- Radiator, thermostat & water pump service
- Cooling system flush
- Heater core replacement
Electrical Systems
Full electrical system diagnosis and repair to eliminate dead vehicles and costly downtime.
- Battery replacement & load testing
- Alternator & starter replacement
- Wiring, fuse & relay diagnostics
- Safety & lighting system repair
- DOT safety lamp compliance
DOT Compliance Support
Keep your fleet audit-ready with thorough safety inspections and documented service records.
- DOT-style safety inspections
- Service record documentation
- Brake performance verification
- Parking brake adjustment
- Pre-trip inspection support