Series 140 Truck, Holds 2 Cylinders, 7-1/2 in to 9 in dia, 8 in Semi-Pneumatic/B.B. WheelsWelded on tool boxes are standard on all three sizes of trucks in this series Hose hooks and welding rod holder tubes provide greater utility Handles small, medium and large cylinders Deluxe Models have refinements and features such as handle bars with hand grips for better control and stability when moving the loaded unit