Employee was lifting a five gallon bucket of hydraulic oil up onto the tracks of #18605 a D10N dozer. While in the motion of lifting employee felt pain in his lower right back. Employee went to CAMC General on 3/19/2013 and referred to a specialist. Employee was treated by Dr on 3/26/2013 and diagnosed with an acute lower lumbar strain and taken off work thru 4/11/2013.