Visit HOLT Truck Centers Edinburg for Caterpillar Trucks, CAT Trucks, trailers, sales, service and parts for commercial trucks, semi truck, big rigs, 18 wheeler, semi-trucks and heavy trucks in the Edinburg TX area. The CAT CT660 vocational truck redefines heavy-duty power, performance and productivity. Caterpillar build you a better vocational vehicle. From moving rock and hauling trash ...