HOLT® Truck Centers has the service bays, specialized tooling and technical experts to tackle all major systems and components, including brakes, drivelines and transmissions. HOLT Truck Centers also is the authorized dealer for Kenworth, Peterbilt, International - Navistar, Cummins, Detroit Diesel, Freightliner, Volvo and most other long-haul and short-haul semi-truck makes and models in 118 counties in Texas, providing service and maintenance on most makes and models.