Northern Hydraulics offers a full line of two stage pumps for your log splitters, compactors, and press-type applications. Haldex/Concentric pumps have cast iron gear housing and are available in flows ranging from 9 GPM to 28 GPM. These hydraulic two stage pumps are designed for heavy-duty use and long cycle times. The Haldex brand assures you are getting top-quality, high-performing products. Northern Hydraulics replacement pumps also have cast iron gear housing and are available in flows ranging from 5 GPM to 28 GPM. These log splitter motors are ideal for the recreational wood splitter user, as they are still a quality product, but offered at a much lower price point.