THE EE WAS BACKING OUT FROM THE PM BAY IN KMB106 BOLTER. HE ARTICULATED THE EQUIP. & HIS LEFT MIDDLE & RING FINGER WERE CAUGHT BETWEEN THE LADDER & THE ROLL OVER PROTECTION BAR. HE REPORTED TH E ACCIDENT & CONTINUED TO WORK. WHEN THE FINGER FAILED TO GET BETTER & CONTINUED TO HURT, HE REQUESTED MEDICAL ATTN. THE LT. MIDDLE FINGER WAS FOUND TO BE FRACTURED. FINGER SPLINTED & HE RTW.