Product Description 4,000 gallon steel tank with ¼” heads and sidewalls 3” Roper pump equipped with a 3 gallon filter pot *Gear pumps are not designed to run sand Electric start Honda GX390 (13HP) motor Reinforced tank ends with 1/4” thick steel plate Hydraulic agitation featuring a 4” agitation shaft with infinitely variable speeds in forward and reverse, complete with a full sweep, four paddle agitation system with 3/8” thick rubber wiper blades on each paddle that rub the sidewalls all the way around for a cleaner tank 20” x 10” combination 1-bolt airtight manway on top of pump end of tank Expanded metal on top of sprocket chain guard and top front end of tank for added traction 24” diameter x 1/4” thick steel bolted manhole below fluid level for easy clean out Discount if a 2” Wilden air-operated, dual-diaphragm pump is used. Customer to have air supply. (Picture shows 6,000 Gallon Bulk Storage Tank)