Click to expand Tap to zoom CAT Pumps 66DX Pump Bolt-On Unloader by Precision Soap Sale $272.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Bolt-on unloaders have an internal bypass system. Eliminates bypass hose and fittings. May have a built-in injector. 5 GPM Maximum 160º F. Maximum 4000 PSI Maximum 1/2" FTP Inlet 3/8" MPT Outlet