Find Input Part OEM number or machinery model WHEEL HARVESTER Select model WHEEL HARVESTER Caterpillar parts: For full view, you need register 550 WHEEL HARVESTER 550 7ZN (1998) 550B WHEEL HARVESTER 550B SAW (2001) 560B WHEEL HARVESTER 560B TRA (2001) 570 WHEEL HARVESTER 570 4XR (1998) 570B WHEEL HARVESTER 570B CKG (2001) 580 WHEEL HARVESTER 580 7CN (1998) 580B WHEEL HARVESTER 580B CLT (2001) online parts diagram catalog Search for genuine and aftemarket cat parts.