Parts list: № Number Qty Name Options 1 BWA1244 1 Wheel Kit Next page: ST539914 Center Axle (Cx15) (Spring And Shock Absorber Suspension) (021800 - ) ST539919 Wing Axle (Spring Suspension) (HX15) ( - 008499) ST539928 Hub and Spindle ST739302 Walking Tandem Kit ST756179 Attachment, Jack Mounting ST740231 Attachment, Dual Wing Wheel Spindles, Hubs and 21" X 7" X 12" 16 PR Severe Duty Ag Tires ST539909 Center Frame, Skid Shoes and Transfer Lock ST774468 Attachment, Dual Wing Wheel Spindles and Hubs ST539918 Center Axle (Standard) (HX15) (008500 - )