The UNITANK 500R is a heavy-duty, compact mud storage tank designed for small to medium HDD operations. It boasts a 500-gallon (1,893 L) capacity and comes with four industrial-grade jets, all contained within an internal plumbing system that reduces exposure to freezing and damage. Its space-efficient build ensures easy integration onto trailers and tight jobsite environments. Compatible with drill systems from Universal HDD, Vermeer, Ditch Witch, Toro, and others, it offers a dependable, portable solution for contractors seeking performance without compromise.