https://www.sc-equipment.com/products/excavator-magnet/ Excavator Magnet Hydraulic magnet for excavator is the most powerful and flexible tool for scrap handling in demolition sites, recycling sites and scrap yards. Different with common electrical magnet which need adding external generator and control box, hydraulic magnet is designed as a closed build-in device, its generator, motor, and control are internal and no need any additional power source. The hose directly connects with excavator 's hydraulic lines, which is easy to install. The magnet is controlled with the joystick, auxiliary switch, or foot pedal. There are two connection ways with excavator: chains and pins which can connect with grab, bucket or quick coupler quickly which maximize freedom of use. Now SC excavator hydraulic magnet is available in many sizes from 900mm to 1300mm diameter. Features of Excavator Magnet Attachment Easy to hook-up or connect with quick coupler Directly connects with excavator's hydraulic lines, which is easy to install No external generator needed - magnet system runs off the 24-volt alternator excavator battery. Comes with a complete installation kit including joystick, valves