MaxPro 4" Pneumatic Air Polisher The MaxPro 4" Pneumatic Air Polisher delivers consistent, high-torque power at 5,000 RPM without bogging down — even under sustained load on granite, marble, and engineered stone. Lightweight enough to work all day, tough enough to last through years of daily shop use. Comparable in performance to the original Alpha 658, the MaxPro offers professional-grade reliability at a fraction of the cost — making it a smart choice for production shops and custom fabricators alike. Why Fabricators Choose the MaxPro Doesn't bog down — maintains consistent RPM under load for smooth, uninterrupted polishing passes Lightweight design — reduces operator fatigue during extended edge work and trim polishing Built to last — heavy-duty internal construction engineered for high-cycle shop environments Water-feed ready — designed for wet polishing applications on natural and engineered stone Alpha 658-class performance — professional output without the premium price tag Technical Specifications Backing Pad: 4" Spindle Size: 5/8"-11 Max No-Load Speed: 5,000 RPM Average Air Consumption: 5.75 CFM @ 90 PSI Operating Pressure: 90 PSI Air Inlet: 1/4" Recommended Air Hose (ID): 3/8" Exhaust: Rear Exhaust Weight: 6 lbs Ideal Applications Edge polishing, trim work, wet sanding, and general fabrication polishing on granite, marble, quartzite, and engineered stone surfaces. Care & Maintenance Lubricate daily with air tool oil before each use Add a few drops into the air inlet prior to operation Oil again after use before storage Run briefly after oiling to distribute lubrication Do not exceed 90 PSI Store in a dry environment to prevent internal corrosion Warranty 10 Days: Tool Replacement 90 Days: Warranty Repair After 90 Days: Repair at Cost Proper lubrication and maintenance are required to maintain warranty coverage. When submitting for repair, exclude hoses and attachments and clearly describe the issue. Authorized Distributor – ProToolHaus ProToolHaus is a certified distributor of Weha products. We provide expert product support and fast shipping to keep your shop running without downtime.
