TNT 450x86x58 Heavy Duty BD Tread Pattern Rubber TracksDESCRIPTION Revised 9 24 TNT HEAVY DUTY BD 450x86x58 This Heavy Duty BD Pattern Rubber Track for Track Loaders has large deep wave lug design. This track has the design of a multi bar track but the deep lugs of a block pattern. The BD pattern makes it a great choice for most applications including Turf, Mud, Snow and Dirt. We only use premium engineered natural and synthetic rubber compounds to provide optimal service life in the most demanding