Feature 【13GPM Hydraulic Pump 2 Stage】3600 RPM max rotating speed, 4000PSI max operating pressure along with a 13GPM high flow rate. Provides powerful performance, energy saving and high efficiency. 【Log Splitter Pump Specifications】Shaft Extension: 1.5". Shaft Diameter: 1/2". Keyed Shaft: 1/8" Squarex. Inlet Port: 1.0" Diameter Tube. Outlet Port: 1/2" NPT. .
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