; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Meritor/RockwellOtherUsed ROCKWELL RTL40-145 Front Rear (Tandem Front) Used ROCKWELL RTL40-145 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell Other Front Rears (Tandem Front)