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Specification Value / Notes
Brand / Line ALTO / Clarke / Advance Propane Burnisher (PBU) series
Model / Code N1BBM 21 KAW 15 MUFFLER, 08989A
Pad / Burnishing Path 21 in (≈ 53 cm)
Engine Kawasaki
Rated Horsepower / Class 17 HP
Pad Speed (no load) ≈2,000 rpm for 21-inch models in PBU series.
Auto Fuel Shutoff Yes (fuel shutoff when engine stops)
Low Oil Shutdown / Safety Yes (electric / mechanical low-oil shutdown) in PBU line
Catalytic Muffler / Emissions Control Yes, catalytic muffler standard on PBU line
Sound Level < 89 dB A
Weight (Operating / with tank & full fuel) ~ 221 lb (≈ 100 kg) for 21-inch model
Dimensions (L × W × H) 56 in × 23.5 in × 39.5 in (≈ 142.4 cm × 60 cm × 100 cm)

Reconditioned Clarke N1BBM 21" 17HP Kawasaki LPG Burnisher

When you need floor equipment to quickly burnish large surface areas to a high gloss, turn to the manufacturer who provides the most power available, Clarke.

The Clarke N1BBM 21" LPG Burnisher delivers powerful, consistent high-gloss results with the reliability of a Kawasaki 17HP propane engine. Designed for professional floor care in large facilities, this burnisher provides outstanding productivity and shine while reducing operator fatigue. Its 21-inch path and propane-powered performance make it ideal for high-traffic areas where extended run times and mobility are critical. With rugged construction, easy maneuverability, and dependable Clarke engineering, the N1BBM ensures maximum efficiency and long-lasting durability on even the toughest floor maintenance jobs.

Motor is serviced with new filters, spark plugs, and cooling fins cleaned. Tested and inspected prior to shipping.

Condition: Refurbished (Reconditioned). Learn more about Our Reconditioning Process Here.

Features


  • 17-hp Kawasaki twin engine gives powerful, dependable performance
  • Durable, rugged cast aluminum alloy housing
  • Flexible pad driver follows contour of uneven floors
  • Adjustable, ergonomic handle for operator comfort
  • “Tip-back” capability facilitates easy pad change