Sunmax RT50D Self-Propelled Floor Scrubber, 22" Cleaning Path, 36,000 sq. ft./hr The SUNMAX RT50D is a 22" self-propelled floor scrubber with a 31" squeegee width, engineered for commercial and industrial hard floors. It is intended for warehouses, schools, hospitals, and shopping centers, and is compatible with concrete, tile, marble, epoxy, PVC, emery, terrazzo, vinyl, and wood. A neutral pH, low-foaming detergent is recommended. The unit features self-propelled drive to eliminate manual pushing, automatic water control, and a strong vacuum system, with a 13.2-gallon solution tank and a 14.5-gallon recovery tank for a working efficiency of up to 36,000 square feet per hour. Its battery system supports up to 5 hours of operation, paired with corrosion-resistant construction and low-maintenance components. The scrubber backed by a 2-Year Warranty. Each unit is factory-tested with clean water before shipping, so a small amount of residual water may remain in the tank or hose. Any green liquid present is anti-freeze solution added to protect internal components during transit and cold-condition storage. Features Self-propelled floor scrubber (no manual pushing) 22" cleaning width 31" squeegee width Up to 36,000 sq ft/hr working efficiency 13.2-gallon solution tank + 14.5-gallon recovery tank Strong vacuum system with automatic water control Battery system, up to 5 hours runtime Sturdy, anti-corrosion construction; low-maintenance components User-friendly controls, 5-minute assembly Neutral pH, low-foaming detergent recommended Compatible with concrete, tile, marble, epoxy, PVC, emery, terrazzo, vinyl, and wood Designed for warehouses, schools, hospitals, and shopping centers 2-Year Warranty Specifications Product Info Manufacturer SUNMAX Product Type Hard Floor Cleaning Machine Color Black & Orange Cleaning Performance Cleaning Width 22" Suction Working Width 31" Cleaning Efficiency 36,000 sq ft/hr Cleaning Efficiency Per Tank 18,000 sq ft Brush/Pad Pressure 50 lb Brush/Pad Speed 200 RPM Scrub Style Rotary Noise Level 68 dBA Tanks Solution Tank 13.2 gal Recovery Tank 14.5 gal Drivetrain and Electrical Drive System Self-Propelled Walk-Behind Power Source Lead-acid Batteries Voltage 24V / 200Ah Charging Time 8 hours Continuous Working Time 5 hours Brush Motor Power 0.7 hp (550W) Vacuum Motor Power 0.7 hp (550W) Dimensions and Weight Dimensions (L × W × H) 45" L × 23" W × 37" H Packaged Weight 400 lb What's Included SUNMAX RT50D Self-Propelled Floor Scrubber Battery Battery charger Complete set of parts for assembly