NaceCare NA 20SS 20" Standard-Speed Floor Machine — 175 RPM, 1.5 HP, All-Steel

The NaceCare NA 20SS is a heavy-duty single-speed floor machine engineered for the two most physically demanding floor maintenance tasks: deep scrubbing and finish stripping. Its all-steel construction, dual planetary gear drive, and 96-lb operating weight combine to deliver consistent pad pressure across 20" of cleaning path — the kind of mechanical force that chemical dwell time alone cannot replicate on heavily soiled or heavily coated concrete, vinyl composite tile, and terrazzo floors.

NA 20SS Motor, Drive, and Construction

• Brush speed: 175 RPM — the standard operating speed for scrubbing and stripping; compatible with the full range of 175-RPM floor pads.
• Motor: 1.5 HP, 115V, 60 Hz — commercial-duty motor sized for continuous operation in institutional and industrial environments.
• Drive: Dual planetary steel gears — superior torque capacity and smoother pad rotation than single-gear machines; reduces gear wear on heavy stripping pads.
• Pad size: 20" — wide cleaning path covers more square footage per pass, reducing operator time on large floor areas.
• Power cord: 50' — extended reach covers standard commercial room layouts without relocating the power source.
• Optional shampoo tank: 4.0 US gallons — adds solution dispensing for carpet shampooing and wet scrubbing applications.
• Weight: 96 lbs — purpose-built machine weight provides downward pad pressure without requiring the operator to lean on the machine.

Applications: Scrubbing, Stripping, and Facility Maintenance

At 175 RPM, the NA 20SS operates in the standard-speed range suited for daily and periodic maintenance tasks. Janitorial contractors and in-house facility teams use it for routine scrubbing of resilient floors using red or green pads that remove soil and light marks without cutting into the finish coat. For periodic stripping — removing built-up finish layers before recoating — operators fit a black stripping pad, where the NA 20SS's 96-lb weight applies the mechanical pressure needed to break the finish bond without requiring excessive chemical stripper concentration. Schools, hospitals, public buildings, and commercial facilities with high foot traffic and resilient flooring are the primary operating environments. The machine is also used in light industrial and warehouse settings where concrete floors require regular maintenance scrubbing.

175 RPM Pad Selection and Operator Fatigue

At 175 RPM, pad color is a reliable guide to abrasiveness and task assignment. Black pads are the most aggressive — used for stripping old finish coats; they work with the machine's 96-lb weight to mechanically shear through multiple layers. Red pads clean and lightly buff without removing the finish coat, suitable for regular interim cleaning between strip-and-recoat cycles. Green pads fall between red and black — moderate abrasion for scrubbing soiled floors that do not yet need stripping. Because the NA 20SS's 96 lbs of machine weight handles pad pressure mechanically, operators do not need to bear down on the handle, reducing fatigue during extended scrubbing sessions. The handle-mounted controls and balanced drive keep the machine tracking straight, so operators expend effort guiding rather than correcting the machine's path.

Documents

Spec Sheet
Manual