Comes complete with everything that you need to milk. Vacuum pump package includes 3 HP Gas Honda Engine on heavy duty cart with 10" air tires and 2 stallcocks. Complete with regulator and gauge. Bucket assembly comes with TWO 8 gal plastic bucket assemblies. Which includes pulsator, lid, claw, shells, and all necessary hoses and rubber goods to milk TWO cows at a time. FREE SHIPPING within 48 states 1 Year Warranty