Pioneer Eclipse 420GPHD Concrete Polisher


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The 420GPHD is the answer to hard floor maintenance. This propane powered floor care machines grinds, polishes, and burnishes hard floor surfaces such as concrete, marble, and terrazzo. Variable speed control (1000-1500 rpm), on board water supply, and a variety of diamond pads create an effective, efficient, and versatile system for professional building service contractors.

Powered by an 18-HP, 603 cc Kawasaki engine, the 420GPHD uses 34 percent less fuel and require 40 percent fewer oil changes than other machines in its class.

The 420GPHD comes equipped with a weight bracket for maximum head pressure as well as a dust port to accommodate a vacuum hose for dry grinding. It comes standard with a heavy-duty diamond driver for traditional 3 inch, (83 mm) diamonds. The 420GPHD comes standard with SafeStop to ensure propane safety and SAFR™ Technology to keep CO levels low even with a dirty air filter

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Additional information

Weight 380 lbs



Performance Grind/Polish 11,000 ft2/hr (1022 m2/hr)

Performance Burnishing 25,000 ft2/hr (2322 m2/hr)

Driver Size 21” (53 cm)

Pad Pressure 85 – 180 lb (38 – 82 kg)

Pad Speed Grind/Polish 1000 rpm

Pad Speed Burnishing 1500 rpm

Noise Level 89 db(A)

Weight 380 lb (172 kg)

Warranty Engine: Parts & Labor – 2 yrs. Machine: Parts & Labor – 1 yr.
Excludes wear and maintenance items.






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