Sleave or welding for rebuilt forklift

Hello. A guys ask me for rebuilt a hole fit on Genie forklift wheel pivot. is a upside hole. Originaly, is a tempered sleeve inside hole housing but the housing is oversized . Have two choices: welding it or boring oversize and put a sleeve. My first choice is boring oversize and put a sleeve The casting is made of cast alloy and if y put a sleeve in cast iron material, i'm afraid shell get crushed, but should the sleeve be hardened or 4340 is enough?
For welding, since the frame is made of...

Sleave or welding for rebuilt forklift

Sleave or welding for rebuilt forklift