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What Kind of Hydraulic Pressure Is Present on a Log Splitter?

A log splitter uses a gas engine or electric motor to power a pump which pushes hydraulic fluid into cylinders to push a wedge into a log lying on a tray. The hydraulic pressure differs depending on the size of the splitter, the pump, the motor and the cylinder.
  1. Hydraulic Pressure Explained

    • Liquids are not compressible. Hydraulic machines make use of this quality to create very powerful forces out of very small engines by multiplying the force of the engine with a hydraulic cylinder. If a pump pushes fluid into a 1-inch hose which leads to a hydraulic cylinder 10 inches wide, the piston inside the cylinder will move 10 times slower but with 10 times the force.

    Low End Log Splitter

    • A home owner with just one fireplace might own a 1.75-horsepower electric motor-powered log splitter such as the Earthquake 5-ton Electric Log Splitter. It can split logs up to 20 inches long and 12 inches wide. This log splitter weighs 105 pounds and has a hydraulic pressure of 2,320 psi.

    High End Log Splitter

    • The Troy-Bilt 27 Ton Log Splitter is for people who have a lot of wood to split. The 600-pound machine uses a Honda 5.5 horsepower engine, producing 27 tons of force for a 19-second splitting cycle and can split logs up to 25 inches long. The Troy-Bilt log splitter uses a pump producing 3,200 psi.