The trailer was built by 4-Guys in 1986. It holds 6000 gallons, is insulated and covered with an stainless shell. A new 10 speed Volvo 425HP tractor was added in 1998. Refurbished in 2013 by Patriot Fire. The Hale 850gpm VW air cooled pump has a new fresh air ventilation system and new plumping. A new gas tank was installed Lighting was replaced by using LED lights eliminating the need for a generator. New diamond plating replaced the original and reflective scotchlite added to the rear for safety.