PUB 31-9335 Models: GDF510PxM4xx GDF511PxM4xx GDF530PxM4xx GDF630PxM4xx GDF640HxM4xx GDP615HxM4xx GDP615HxN4xx GDT530PxP0xx GDT530PxP4xx GDT540PxP4xx GDT535PxM4xx GDT540PxM4xx GDT605PxM4xx GDT630PxM4xx GDT635HxM0xx XDF300PxN4xx XDF400PxN4xx XDT500PxP4xx