Concrete Grinders & Polishers 5KP The SASE PDG 5000 Propane floor grinder is great for small to medium range projects. It is small enough to get into those tight spaces but heavy enough to product a great polish and removal tough coatings. It comes stock with a Gx 390 Honda engine making it a small machine packing a big punch! Next Steps Get A Quote Downloads Product Brochure Service Manual Technical Data Power Source: Propane Engine Power Output: 16 hp (11.9 kw) RPM Variable Speed: 850 – 1700 RPM Machine Heads: (3) 9″ Heads Grinding Width: 20″ in (508 mm) Machine Weight: 430 lbs (195 kg) Grinding Pressure: 220 lbs (100 kg) Dimensions (L x H x W): 1372 x 864 x 533 mm