Capacity of Texas, The Trailer Jockey People At Capacity of Texas, we believe a spotting tractor is only as good, as its comfort, price, and durability. That's why our tractors, manufactured in an ISO 9001 registered quality system, continue to be the most durable spotting tractors in the industry. Capacity of Texas is considered a world class supplier, with units operating in all 50 states, and many foreign countries in addition to supplying a number of government agencies, including GSA, AAFES, DOD and the Postal Service. Capacity FuelSaverTM Click Here Receive $32,000 tax Credit on Capacity Trailer Jockey Alternative Fuels Trailer Jockey Journal Operator Training Video Available Request a Demo Capacity Video Available |