Rear end housing with gears inside,,2 drums,2 backing plates,torque tube with drive shaft and speedo gear and wishbones..Axles turn with a wrench..Been sitting but still usable..No internal hardware.....Casting number on housing is 937=4:11 gear set as shown in pix..Also available are a 1928-1931 differential and a complete 1940 differential with spring from a sedan