That casting number is the most common 235 of that time period in Canada
What year(s) does that casting number cover? You said above that yours was from a 54 with the high water pump, but with pressure oiling to the rods. I just checked the 54 Truck Service manual and apparently 235's from that year had insert bearings and full pressure oiling.
I did another search on a site that said were Canadian engine casting numbers and didn't find that number there.
