Efficient Sanding: Powered by a 1.75HP powerful motor at 1440 RPM, this 22' drum sander with open stand delivers consistent, high-efficiency sanding. Handles boards up to 22' wide and 1/32'4' thick for smooth finishing and fine results Stable Conveying: The conveyor belt tracker prevents deviation, ensuring boards move smoothly with greater stability and precision. Variable speed control lets you adjust feed rate to match different wood types and sizes for efficient and uniform sanding Maximum Efficiency: Built with an independent dual motor system, the direct drive motor delivers strong, consistent sanding power, while the gear reduction motor ensures precise conveying for smoother, professional-grade sanding performance Expanded Sanding Capacity: Equipped with 2 extension table assemblies, this drum sanding machine provides stable support, preventing large boards or long workpieces from wobbling