; HomeHeavy Duty Truck PartsTransmissions & Transmission PartsTransmission AssysMeritor/RockwellRM9-115AUsed 1992 ROCKWELL RM9-115A Transmission Assy Used 1992 ROCKWELL RM9-115A Transmission Assy Unfortunately this part is temporarily unavailable. View other Meritor/Rockwell RM9-115A Transmission Assys