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The Mercury H-17S Hercules is the 17-inch entry point in the sealed-motor Hercules sanding line — the most common apron size in commercial floor maintenance and the same size used by most standard floor pads. It uses the same sealed 1.5 HP motor and triple-planetary transmission as the larger H-19S and H-20S, but the 17" apron fits through any standard doorway without adjustment and matches the pad inventory already in use at most facilities. The H-17S is the right choice for facilities that maintain their own equipment and want a sealed-motor machine compatible with their existing 17" pad stock. Two YouTube videos demonstrate the machine — see the Video section below.
The 17" apron is the industry standard size — the widest apron that fits through standard 36" commercial doorways without angling the machine, making it the default choice for facilities where multiple rooms need to be serviced in sequence.
Janitorial contractors and in-house facility maintenance teams operating in office buildings, schools, and retail spaces use the H-17S as their primary floor sanding and surface preparation machine — the 17" apron fits through every doorway on the floor plan without repositioning. Wood floor finishing contractors who need a sealed-motor machine for multi-room residential or commercial projects use it where the 19" or 20" models would require doorway clearance planning. Hotel housekeeping departments that polish marble floors in guest rooms and bathrooms choose the 17" because it maneuvers around the limited floor space around beds and furniture. The sealed motor allows continuous operation throughout a full day's sanding work without motor-related service interruptions.
Runs at 175 RPM — appropriate for sanding, stripping, and light surface polishing on VCT, hardwood, concrete, and stone. Use 15" abrasive screens for wood sanding, 17" diamond pads for concrete surface preparation, and standard 17" floor pads (red for scrubbing, white for polishing) for maintenance cleaning on sealed surfaces. Carries Mercury's 5-year warranty on motor, transmission, and chassis.
| Model | H-17S |
| Apron Size | 17" |
| Motor | 1.5 HP AC, 2 capacitors, 15 A (sealed) |
| Brush Speed | 175 RPM |
| Rotary Brush | 15" |
| Rotary Pad Driver with Riser | 16" |
| Chassis | Polished aluminum |
| Weight | 106 lbs |
| Power Cord | 50 ft, 14/3-gauge safety cord |
| Wheels | 6" non-marking, fixed operating |
| Warranty | 5 years on motor, transmission, and chassis |
H-17S Owner's Manual
H-17S Wiring Diagram
H-17S Parts List
H-17S Sell Sheet
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