2011 CAT 501HD with PF48 2 Roller Head. Hour meter reads 20,949 hours. 24" double grouser pads, undercarriage is estimated at 90% & has been replaced twice. New hydraulic pump. Proheat preheat system. Engine has some blowby. PF48 2 roller head is in good condition, feed wheels and measuring system are in good working order. Heat, A/C, lights, radio. Contact Aaron @ Red Pine Equipment 218-720-0933. Equipment is located in Northcentral USA.