Introducting HME Ahrens-Fox new, patented MAD DOG^TM compressed air foam system. No more endless adjustments of foam proportioning and air injection valves. Simply charge the CAFs line with water, activate the foam system and push the CAFS button. The MAD DOG^TM instantly supplies 150-GPM of fire smothering, long range compressed air foam to quickly knockdown wildland, vehicle and structure fires.

Best of all, the MAD DOG^TM is the most affordable, heavy duty, structural grade CAFs system on the market, due in part, to the HME Ahrens-Fox state of the art liquid cooled air compressor and precise solid-state controller. If you have wanted to bring the firefighting advantages of CAFs to your department, but could not afford the other manufacturers' high prices, the MAD DOG^TM is your answer, developed and built by the world's largest single-source manufacturer of stainless steel fire apparatus, American Owned, HME Ahrens-Fox.

The MAD DOG^TM CAFs system is protected by U.S. Patent 7,530,404.


The MAD DOG ^TM is easy to operate. Simply push the on switch and select wet or dry foam--it's that easy. The controller assembly is all solid state and the switch panel freatures marine grade, waterproof switch gear for long life with less maintenance. All controls are grouped together on the pump panel for ease of operation and are intergrated into HME Ahrens-Fox Hydra^TM Technology water movement system.