; HomeHeavy Duty Truck PartsDifferentials & Differential PartsTandem CutoffsMeritor/RockwellRT40-145Used Meritor/Rockwell RT40145 Tandem Cutoff Used Meritor/Rockwell RT40145 Tandem Cutoff Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RT40-145 Tandem Cutoffs