Our Services

Our Services Include:
From heavy-duty diesel engine repair to complete fleet maintenance, our team covers every aspect of keeping your trucks road-ready. Common services we provide include:

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• Engine repair, rebuilds, and performance diagnostics

• Transmission repair and replacement

• Clutch replacement and driveline service

• Fuel system and diesel injector repair

• Turbocharger diagnostics and replacement

• Preventive maintenance and full-service fleet programs

• DOT inspections and safety compliance

• Electrical and wiring diagnostics

• Cooling system and radiator service

• Brake system repair and ABS troubleshooting

• Suspension, steering, and chassis repair

• Exhaust and emissions system repair

• Aftertreatment and DPF cleaning services

• Hydraulic and PTO system repair

• Mobile and roadside diesel repair​

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At Bulls Bay Diesel, we provide full-service diesel repair and maintenance for semi-trucks, dump trucks, box trucks, medium-duty work trucks, and chassis of all kinds. Our expert technicians specialize in clutch replacements, transmission repair, engine diagnostics, injector and turbo services, and preventive maintenance to keep your fleet running reliably and efficiently.

Whether you operate a single truck or manage a large fleet, we handle everything from complete drivetrain replacment to DOT inspections and electrical troubleshooting. We use advanced diagnostic equipment and high-quality OEM or aftermarket parts to ensure every repair meets industry standards.

At Bulls Bay Diesel, we know downtime costs money — that’s why our Charleston diesel shop focuses on fast turnaround times, honest communication, and dependable results. Bring us your Freightliner, Peterbilt, Kenworth, International, Mack, Volvo,  medium-duty trucks, and chassis, and we’ll keep it performing at its best.

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