What size excavator, skid steer, or loader do I need for a shaft screener bucket?
The right machine size depends on three things: operating weight, hydraulic flow/pressure, and the material density you plan to process. In general, shaft screeners are fitted to compact loaders and skid steers at the small end, then to excavators from mini units up to larger construction-class machines. Heavier, wetter, or more abrasive material usually requires a larger carrier with stronger auxiliary hydraulics and better stability. It is not just about machine weight; if hydraulic flow is too low, shaft speed and screening efficiency drop, and if pressure is wrong, torque can suffer. Coupler type, hose routing, case drain requirements, and lifting capacity at working radius also matter. VANROCK manufactures shaft screener buckets for a wide range of excavators and loaders and can provide sizing help based on your machine model, hydraulic specs, and the kind of screening or crushing work you need to do.
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