A set of collar screw parts is sold here suitable for Viking MT 640 If you are not sure whether this collar screw fits your tractor, just write an email. If you have problems identify your gear, I will be happy to help you. I'll check it and tell you afterwards Notice. including 1x collar screw 2x mother 1x washer 1x thrust ball bearing 1x deep groove ball bearing More Viking Spare parts on request. .
