The Upright Steel Reservoir from Buyers Products is constructed of tough 12 Ga steel and fully baffled to keep hydraulic fluid cool. It's ideal for heavy duty dump operations and designed to fit conveniently behind the truck cab. Choose from a 50 gal or 70 gal capacity, depending on the application. Dump trucks with large cylinder applications benefit from the 70 gal size. The reservoir features 2 in. and 1-1/4 in. NPT field serviceable ports, a quarter-turn filler breather unit, and a sight/temperature gauge. A hardware mounting kit is included.