Hammerhead Service Unit 21 With 21 Inch Head, 40 Foot Cord, 2 Debris Bags, and Truck/Trailer Mount HammerHead HH9130-40 HH9130-40 This Hammerhead Service Pool cleaner features a 21 inch wide cleaning head and a 40 foot cable and truck hitch mount. The Hammerhead Service Units are designed for pool to pool service route work. The popular Service-21 is now the industry standard for a self-contained cleaner. Instant cleaning means no set-up times, no pumps to prime, and no valves to set. You will work faster and easier than ever before. Ready to mount on your truck or trailer, the Service-21 can cut your cleaning time as much as 50 percent and that can mean hours off your day.The Service Units the Hammerhead original tilt-on, tilt-off mount system for truck or trailer. Simply wheel the cart up to the mount, tilt up, latch down the safety clamp and set the safety pin. The unit is safely and securely stored for transport to your next pool, near or far.To ensure quality, your Hammerhead motor assembly will be thoroughly tested in the very way you will be using it - underwater! It is part of a patented system that you cannot get anywhere else. After assembly, all Hammerhead motors are pressure tested to assure that they will not leak under normal use.Note: Pole and battery not included.