VF-500 Mud Pump SPECIFICATIONS: Model:           VF-500;               Max. Liner Size / Stroke          6-3/4” ;    Rated Power ( HP):  500HP @ 165 SPM          Max Displacement:       574 GPM;   Mini Displacement:   201 GPM               Valve Pots:  API 5#;    Approximate Weight: 21539 lbs FEATURES: · Three Each Interchangeable Fluid Ends Made up of Forged Alloy Steel · Suction Valves and Discharge Valves Interchangeable for all VF Series Pumps · Bi-Metal Liners, Wear Resisting Cast Iron Sleeves, Slide-to-fit Piston and Rods that are Sealed With Rubber Seal Rings and Fastened with Locknuts. · Valve Seat Bores With Bottom Shoulders · Extended Service Life With Spray Lubricated Piston and Liners · Longer Service Life of Expandable parts of Fluid End Assembly Allowed by Longer Stroke Length and Lower Stroke Per Minute · Main Parts in the Power End Assembly Includes: Frame, Crankshaft, Pinion Shaft, Crosshead and Extension Rod · Supported with Quick Delivery of Parts and Field Service Personnel, When Required