Pioneer Eclipse 28″ 420BU Burnisher


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For Sale, The 420BU is a propane powered, ultra-high speed burnisher that gives floor care professionals the options they want to customize a machine to their needs.

Based on the decades popular Mean Machine™, the 420BU is available in four different widths – 21, 24, 28, & 40 inches (53, 61, 71, and 102 cm, respectively). Each model comes standard with a 12-volt on board electric starter and clutch. A passive vacuum and EcoSense emissions monitoring system are optional at extra charge (active vacuum is standard on the 40″ model).

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

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Additional information

Weight 234 lbs



Performance 34,000 ft2/hr

28” (71 cm)

Pad Speed – 1500 rpm

Engine 603 cc

Noise Level < 89 db(A)

Width 31.5 in (80 cm)

Weight 234 lb (106 kg)

Warranty Engine: Parts & Labor – 2 yr. Machine: Parts & Labor – 1 yr.

Excludes wear and maintenance items.




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