Add to Wishlist Pro-Link 448015 9-Pin Caterpillar Adapter Pro-Link 448015 9-pin Caterpillar Adapter Caterpillar 9-pin adapter with thumb screws for use with the USB-Link and the WVL2. PLEASE NOTE: *NEXIQ will not be responsible for losses of any kind incurred as a result of misapplication of its diagnostic... MSRP: $255.00