Employee states while driving a loader, the loader rocked causing him to hit his elbow on console causing pain in his right shoulder. Reported it to his supervisor. Didn't go to Doctor until 11-30-11.(No medical treatment)Thought he would be o.k. 3-28-12 still having problems with his shoulder. Sent to Co. Clinic on 4-6-12, received P.T. Claim became recordable.