The Texas Company, Diamond T-based Tank Truck "Doodlebug" 1933
The Texaco Diamond T-based tank truck was a pioneering effort in streamlining of commercial vehicles.
This vehicle was designed by Howard W. Kizer, superintendent of Motor Equipment for the Texas Company.
The trucks were 26 feet long with the capacity of 1500 gallons of fuel.
The engine was mounted at the rear; the clutch, gearshift, and steering were air-controlled.
At least six trucks of this type were manufactured.
1. Kizer Howard W. Motor Driven Tank Truck. US Patent Des.89,642. 1933.
2. Kizer Howard W. Motor Driven Tank Truck. US Patent Des.93,559. 1934.
3. Kizer Howard W. Streamlined Automobile Vehicle. US Patent 2,048,454. 1936.
4. Anonymous. A New Texaco Fleet Takes to the Road. An article from a 1930s magazine.