Enviro Pump Plus Inc. owner Glenn Larson added this 2004 Kenworth with a 3,800-gallon polished stainless steel tank to his fleet in 2008. The rig was built by Advance Pump & Equipment in Peosta, Iowa, and features a Progress tank with a hoist, Cougar hydraulic vibrator and full-open rear door. Vacuum is provided by a 1,000-cfm 957 blower system from National Vacuum Equipment. A diamond-plate toolbox manufactured by TL Woods is mounted behind the cab. A custom-made heated water tank is fitted under the toolbox. The tank is equipped with heated valves for Minnesota winters and an onboard load scale. Graphics are by Sybesma Graphics of Sanborn, Iowa. Powered by 425-hp Caterpillar engine and a 10-speed transmission, the truck is used for residential, commercial and industrial pumping.