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3100 = 1/2 ton
3600 = 3/4 ton
3800 = 1 ton
CHEV designation
All i have available to measure is a home made flat bed with a hand operated tilt ( 2 speed tilt at that)To be honest, I don't know. Our 1 ton didn't have a model number. There was a GMC logo on each side if the hood and that was it. Might have had something on the door jam but i never paid attention. The engine gave up in 1985 and that was the last I drove it. I think you would be able to tell by box length. 3/4 tons had a full float axle and 8 foot box.
The GMC levels back then were 100 for half tons, and 150 for 3/4 tons. I guess a one ton would've been a 200? Don't know that I've ever seen a stock 8 lug Chevy or GMC from that era, complete enough to still have the emblems on it. And many that I've seen don't have the 100/150 number under the GMC badge on the hood sides, even on "stock" trucks.
I forgot this one is a GMC. So would that mean this GMC 3400 = Chevy 3600?
Runs pretty good, and like Stumpy was, I'll be able to drive it, and work on it as I go.
Ill have to go look at the tag in the cab but im pretty sure its a 3400.The GMC levels back then were 100 for half tons, and 150 for 3/4 tons. I guess a one ton would've been a 200? Don't know that I've ever seen a stock 8 lug Chevy or GMC from that era, complete enough to still have the emblems on it. And many that I've seen don't have the 100/150 number under the GMC badge on the hood sides, even on "stock" trucks.
One of the problems with researching these older trucks, is they didn't advertise them as much, so vintage ads and brochures are scarce. Also trucks of all makes were advertised in commercial or farming magazines which are on very fragile, cheap paper and most people didn't keep them, like they kept Life, Saturday Evening Post, etc. Another difficulty is finding people who knew how the trucks were built and optioned back then. These trucks are 70-75 years old by now, the ranks of the experts from the contemporary time period are getting a bit thin.....