Visit HOLT Truck Centers San Antonio for service and parts for trucks- commercial trucks, semi truck, big rigs, 18 wheeler, semi-trucks and heavy trucks and new & used trailers - Load King, XL Specialized, Interstate in the San Antonio area. 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 Over 120 counties throughout Oklahoma and Texas, providing service and maintenance on most makes and models.