NaceCare DP 620 8025116 Hydrowasher – 22", 750 RPM, 1500W, 64 dB, 6,000 Sq Ft/Hr

NaceCare DP 620 8025116 – 22-Inch Cylindrical Hydrowasher, 750 RPM, 1500W, 6,000 Sq Ft/Hr

The NaceCare DP 620 (part number 8025116) is the 22-inch version of NaceCare's cylindrical Hydrowasher platform — the same counter-rotating cylindrical brush technology as the 14-inch DP 420, scaled up to a 22-inch path with a 1,500W brush motor for 6,000 square feet per hour on hard floors and mixed-surface environments. At 82 lbs, 57 lb brush pressure, 750 RPM, and 64 dB(A), this machine delivers precision cylindrical brush agitation in larger commercial spaces where the DP 420's 14-inch path would require too many passes.

DP 620 22-Inch Cylindrical Brush Performance vs. the DP 420

• 22" cleaning path / 6,000 sq ft/hr: covers 50% more floor per hour than the 14-inch DP 420 (4,000 sq ft/hr) at the same cleaning speed; appropriate for larger restrooms, corridors, and commercial kitchens where the 14-inch machine would require excessive passes.
• 1,500W brush motor: 50% more motor power than the DP 420 (1,000W), driving the wider cylindrical brush at consistent 750 RPM across the full 22-inch path without speed reduction under load.
• Counter-rotating cylindrical brushes, 57 lb pressure: same cleaning mechanism as the DP 420 — brushes converge and lift soil from grout, textured surfaces, rubber, and carpet without the surface-profile limitations of flat disc pads.
• Offset brush and drive unit: brush assembly extends to the machine edge for wall-to-baseboard cleaning without a separate edge pass.
• 64 dB(A) noise level: same quiet operation as the DP 420 despite the wider path and higher motor power; suitable for occupied commercial environments.
• 2-gal solution / 2-gal recovery tanks: larger recovery tank than the DP 420 (1 gal), consistent with the higher water flow handling from a wider 22-inch brush system.

Commercial Facility Applications and DP 420 vs. DP 620 Selection

The DP 420 (14") is the right choice for single restrooms, small break rooms, escalator treads, and confined areas where the 22-inch machine cannot maneuver. The DP 620 (22") is the right choice for larger restroom facilities, commercial kitchen floors, wide corridors, and open retail areas where the 14-inch machine would be inefficiently slow. Both machines are appropriate for mixed-surface facilities that require the same machine to handle grouted tile, rubber, textured concrete, and carpet cleaning with brush changes between surface types.

DP 620 Operation and Multi-Surface Brush Options

The trigger-controlled solution dispensing makes DP 620 operation straightforward — fill tanks, position, and pull the trigger. Brush selection is the primary performance variable: black brushes for aggressive hard floor scrubbing, grey for all-purpose use on standard commercial floors, and yellow for carpet interim maintenance. The offset brush design cleans right to baseboards on each pass, reducing the time-consuming hand-cleaning that flat disc machines require along floor edges.

Documents

Spec Sheet

Manual