Black Bear Trolleys are available in capacities from ½ ton through 10 tons with a minimum adjustability of 2 inches. Wheels are equipped with lifetime lubricated ball bearings and compound tread which allow usage on either wide flange or American Standard I beams. Hand Geared trolleys are equipped with zinc plated hand chain with a drop equal to the lift of the hoist which is suspended from it, minus one foot.
Black Bear Plain and Geared Trolley Owner’s Manual Click Here
Black Bear Motorized Trolley Owner’s Manual Click Here