Bell Housing Wanted for 4-203 Perkins Engine Can you help.

Hello out there in the world, I need your help to locate a Bell Housing for my 1948 Jeep Dodge Army Ambulance converted to motorhome... Bell housing went missing I need to find one do you have any leads or knowledge that may be able to help me in finding one. This sort of engine has been used on skidders also could be the conversion I need. Any leads would help greatly to get my jeep back on the road again. The engine is there and the bell housing to fit into can you get a good idea where or what I need to fit Do you have knowledge of Diesel engine I need to put this engine in soon need someone to do it also this is what am dealing with here, Can you give me any leads.. the engine is a 4-203 Perkins Diesel Engine Indirect injection. Bell housing must fit the part on a jeep to this engine here. Thank You so much, means the world to me to figure this out certain things I have no knowledge of especially the simplest things of all , hard things can figure out..Thanks Bruce.