I like those old mills,Keep the oil changed and radiator in good shape and they run forever.Atlanta lift salvage is the name of the place Justin refers to.Before Id swap it I think youd be better off replacing it or scorce a diffrent truck.With all the shut downs as of late trucks here are cheap.

those are disgusting
even the drain plug has a square hole for a square drive ratchet incase you strip the hex
BUT
its a 10mm not a 3/8 so its useless in america lol
i think the other option for that truck was the cat 1404 or a small perkins
but i forget if the transmissions were diff

theres a huge lift truck salvage yard in atlanta theyre tech guys seem to know whats what
id call them and ask if they could help you
they prob even got a running scrap engine in stock for you