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Thanks again 71 Dually and, yes, my MoHome is the same cab/chassis configuration as yours - a Mitchell camper body on a C30 cab/chassis and not the P30 van type.

Mine has the 8 lug wheel setup and 8 bolts on the axle housing, with 10 bolts on the diff cover. From under the vehicle it also looks like the sitting setup you pictured so I am almost certain that if the one you pictured is an H072, mine is as well.

BUT - my old visual memory of those shoes says they were more like the the 15" x 4" shoes shown. So, now am wondering if Chev/GMC used two different depth brake drums on those H072 axles - maybe used smaller ones with shoes about like 13"x2.5" which i have installed on some 3/4 ton trucks.

Yes, I am in doubt and a bit confused about the brake shoe size on this one and will really be pleased if a more experienced person here can provide clarity before I have to pull an axle/drum just to find out - because I need to do the actual work in a place where I can't leave the truck sitting while waiting for parts to get here via mail or courier.

I am now going to do some research on the Model # (CE31403) with 157" wheel base to see if there is an answer there.

To all - thanks for the help so far. More later.