I have been told that I probably would not find a workshop manual for my E2304 and the Massey Ferguson 1030 workshop manual would be the nearest thing for it. Hinomoto made the Massey Ferguson compact tractors for export to the USA at the same time Hinomoto was making the E2304 for sale and use in Japan and apparently the E2304 Hinomoto and the Massey 1030 are nearly the same.