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Old 11-13-2021, 10:37 AM   #751
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Re: 67-72 C/K/T-40's-90's!

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Pontiac East was built in the early 70's specifically as a medium duty truck plant.
Yep, construction began spring of '70, assuming ready for the '73 models.
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Old 11-23-2021, 02:25 AM   #752
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Re: 67-72 C/K/T-40's-90's!

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Yep, construction began spring of '70, assuming ready for the '73 models.
Yes, I don't think any 72's were built there. Seems that before 1973, the medium duty C series trucks were built at a lot of other plants. Flint and Fremont for sure.

Great picture, thanks for posting.
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Old 11-23-2021, 02:28 AM   #753
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Re: 67-72 C/K/T-40's-90's!

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Little bit of Ford-Cat literature.
Those 'Ford Blue' Caterpillar diesels always busted me up. Their blue Detroit Diesels as well!

Detroits supplied to International Harvester were sometimes painted 'Farmall Red'.
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Old 11-23-2021, 06:26 AM   #754
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Re: 67-72 C/K/T-40's-90's!

And GM, since they made their own diesel, wasn't concerned with matching their gas engine color.

Here's a nice one
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Old 11-25-2021, 09:46 AM   #755
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Re: 67-72 C/K/T-40's-90's!

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Those 'Ford Blue' Caterpillar diesels always busted me up. Their blue Detroit Diesels as well!
And Cummins too?
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Old 11-26-2021, 10:12 PM   #756
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Re: 67-72 C/K/T-40's-90's!

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And Cummins too?
Ha, look at that!
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Old 12-01-2021, 08:37 PM   #757
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Re: 67-72 C/K/T-40's-90's!

Another question for Bob or anyone else who would know. Somewhere around the late'70's to mid '80's you could get a GMC 7500 with a 6V-53 Detroit and a Road Ranger Trans, but only in a Tandem Axle truck for some reason. It seems like the Single Axle trucks could only get a 5-Speed and 2-Speed Rear at best. Wondering why this was and could you Special Order a Single Axle with a Road Ranger back then?
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Old 12-03-2021, 01:49 AM   #758
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Re: 67-72 C/K/T-40's-90's!

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Another question for Bob or anyone else who would know. Somewhere around the late'70's to mid '80's you could get a GMC 7500 with a 6V-53 Detroit and a Road Ranger Trans, but only in a Tandem Axle truck for some reason. It seems like the Single Axle trucks could only get a 5-Speed and 2-Speed Rear at best. Wondering why this was and could you Special Order a Single Axle with a Road Ranger back then?
You got me. The 6V-53 was available in the Brigadier 7500's up until about 1984 or so, but the vast majority I remember seeing were Cat 3208 powered. I don't have anything on transmission availability for the 6V-53. You need to find a Data Book from the early 80's, it would say.
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Old 12-03-2021, 10:19 AM   #759
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Re: 67-72 C/K/T-40's-90's!

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You got me. The 6V-53 was available in the Brigadier 7500's up until about 1984 or so, but the vast majority I remember seeing were Cat 3208 powered. I don't have anything on transmission availability for the 6V-53. You need to find a Data Book from the early 80's, it would say.
Not real sure where I saw it. Could be in my GMC aftermarket book, but it listed a Road Ranger in Tandem Axles only for some reason. The main reason I became aware of it is that a city I was well aware of bought a whole fleet of them. As much as I would like to find 9500 with a Detroit and an RR, I wouldn't mind a 7500 with one, but in Single Axle only. Wondering how far special orders went. You may remember that I drove a special order 9500. It had a 637 V-8 Gas with a 10-Speed RR. It was a '71 and still to this day, I've never seen or heard of another.
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Last edited by C10 - C90 Bill; 12-03-2021 at 10:25 AM.
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Old 12-03-2021, 10:01 PM   #760
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Re: 67-72 C/K/T-40's-90's!

You never know, some fleet may have put in a large special order for 6V-53 7500 tandems with the small Road Ranger 10 or 13 speed and GMC decided to make it an R.P.O..

I remember you talking about a truck with a 637 gasser and a 10 speed. From all I have ever heard about the 637, that sounds like the ideal combination. Yet, most were built with 5 speeds. I wonder how the 637 would have been with a 5X4.
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Old 12-04-2021, 12:35 AM   #761
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Re: 67-72 C/K/T-40's-90's!

Bob, I have located some 637's online with 2 sticks. A town in NY had some. The 637 and the 10-Speed RR was a good combination. With a full load (30,000) it would die on some hills like a Detroit and require a lot of shifting, which I didn't mind, but was pretty impressive none-the-less. I always wished they gave me a Detroit though, lol.
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