2002 Mack CH613, Mack E-7 335/380 HP with engine brake, Eaton Fuller Auto-shift transmission, stabilized air suspension, Inter-axle differential lock, tow hooks on front and rear, Kussmaul auto-eject battery conditioner and air compressor with a new 2950 gallon stainless steel elliptical tank, 12-gauge 304-grade stainless heads and baffles, 10-gauge 304-grade stainless shell construction, #4 satin finish, 6" internal vent, SS ladder, SS light brackets, Mild steel skid, spring mounted and back welded, NFPA Baffling, Berkely B3ZRMS PTO driven transfer pump, 750 GPM @65PSI, 2.5" discharges (one on each side of the unit), (1) 3" suction with valve and 3" Camlock fitting, (1) fluid-less type primer.