1928 Model AA with 5th Wheel

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Body Type: Fire truck
Model Year: 1930
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1928 Model AA with 5th Wheel

Post by Imnangell » June 10th, 2013, 6:55 am

This is not my post, but I found it interesting. Apparently, it has the original 5th wheel. http://maine.craigslist.org/cto/3835351752.html

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Chris Haynes
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Re: 1928 Model AA with 5th Wheel

Post by Chris Haynes » June 10th, 2013, 9:41 am

My question is what do they use for brakes on a semi-trailer pulled by a tractor with mechinical brakes?

Bob C
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Re: 1928 Model AA with 5th Wheel

Post by Bob C » June 10th, 2013, 11:24 am

Looks like this one used vacuum over mechanical. See the arrow pointing to the trailer brakes.
$(KGrHqQOKi4E3OmyNUd,BN2V(TVsRw~~_3.jpg (87.07 KiB) Viewed 2374 times

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Re: 1928 Model AA with 5th Wheel

Post by Brady » June 10th, 2013, 2:00 pm

Did the "tractor" AA use the 131" wheel base or were they a specially built unit with different drive line?

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Re: 1928 Model AA with 5th Wheel

Post by TruckMan » June 11th, 2013, 10:17 am

To my understanding, Ford had nothing to do with these trucks having a fifth wheel installed. That was after market like the Fruehauf ad above. As a side note, Fruehauf was making horse drawn wagons and jumped into the trailer business with the advent of motor trucks.

I have seen bump stop type brakes before, so maybe that was used. By that I mean that as brakes are applied on the tractor the forward pressure applies the trailer brakes through the fifth wheel pin mounting.

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Re: 1928 Model AA with 5th Wheel

Post by Stakebed » June 13th, 2013, 1:31 pm

how rare are the trailers of the model A era?

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