Classen SA-25 Stand On Commercial Aerator Features Stand-Aer® technology permits operator to steer, turn, and aerate non-stop without raising tines out of the ground Hydrostatic forward and reverse drive Hydraulically raise and lower tines Maximum transport/aerating speed of 414 ft/min or 4.7 mph Zero turning radius (when tines are not in use) 24" approximate turning radius (aerating) Tine and tire drive with separate throttle control No-flat foam filled front swivel and rear drive tires Special design rear wheels (with raise and lower feature) prevent tipping backwards and offer ease in loading 2-Year Warranty Specifications Dimensions: 51.5" H x 36 " W x 55 " L Dry Weight: 880 lbs. Aerating Width: 24.375" and fits through 36" gate Coverage: 50,407 sq. ft. per hour Tines: 36 tines with coring depth up to 3" and hole pattern of 4.06" x 7" Engine: Honda GX390