HOLT® Truck Centers Irving is Your Texas Truck,Parts and Service Dealer. Visit HOLT Truck Centers Irving for Caterpillar Trucks, CAT Trucks, sales, service and parts for commercial trucks, semi truck, big rigs, 18 wheeler, semi-trucks and heavy trucks in the Irving TX area. HOLT® Truck Centers Irving has the service bays, specialized tooling and technical experts to tackle all major sys...