Keep your 50-ton excavator moving without breaking the bank. Our heavy-duty drive sprocket rim for the Doosan DX500LC-9C and DX520LC-9C is a direct-fit aftermarket replacement that restores traction and extends undercarriage life. Built from induction-hardened wear-resistant steel, this sprocket rim assembly offers bolt-on installation, OEM-matched tooth profile, and long-lasting performance in rock, mud, and abrasive conditions. Whether you need a complete sprocket rim or replaceable bolt-on tooth segments