Two 500 Gallon mud vacs

I have 25 gallon trailer mounted mud sucking vacs for sale. We up graded to newer 1 s, these both need very little tlc to get them running good again . Asking 3500.00 for both units or if just want 12000.00 each please call or text with any questions or if you want to come see them. Michael 843-514-8226