Because Cheap Pumps Are the Fastest Way to Turn Your Excavator Into an Expensive Garden Ornament Let’s get something straight right from the start: If you buy a cheap aftermarket hydraulic pump for your excavator, you’re not “saving money.”You’re delaying the pain . And when that pain hits, it hits hard — blown hoses, slow hydraulics, cooked oil, trashed cylinders, destroyed spool valves, and a machine that suddenly works like it’s got emphysema. Hydraulic pumps are the heart