A-B12152017SM-AI V-BELT HB 044.90 DR model-450 (with Hydraulic Lift) as fitment varies by serial

as fitment varies by serial range even within the same model designation

30-3011003

One New Aftermarket Clutch - Fits York/Tecumseh Style (2 groove 7" pulley)

One New Aftermarket Replacement Right-Hand Cutting Edge End Bit Fits Caterpillar (Fits CAT) Track-Type Bulldozers

this aftermarket replacement is correct for the original-design machines listed below

A-B12152017SM-AI V-BELT HB 044.90 DR model-450 (with Hydraulic Lift) as fitment varies by serialOne New Aftermarket Replacement HB V Belt Fits Briggs and Stratton (Simplicity) Lawn and Garden Equipment This HB section (heavy duty B section) V belt is a direct aftermarket replacement Fits Briggs and Stratton Simplicity outdoor power equipment. The HB designation indicates a raw edge, heavy duty B section profile engineered for demanding drive applications such as engine to deck or transmission drive systems on lawn tractors and garden tractors.