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Frame interchange for pilot house


doogan

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 What frames are interchangeable  under the pilot house pickups?   I was told they are the same from 1937 to early 1950's.    

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They cannot be the same all those years for say a 1/2 ton.

W series will be different totally... different cab mounts.. steering gear position and more...

1948-50 probably are the same...51-53 same as long as say the same wheel base and trans option.

Edited by Dodgeb4ya
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Thanks.   I found a 1947 frame and have a 1949 b1 cab I would like to mount and build a wooden flat bed and thought this may work.  The seller said the frames were all the same and that just didn't sound right too me.  Thanks again.

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Doesn't matter just so the cab will mount up.  The cab is a 49 b1 with no bed as I am going to build a wooden flat bed on it.  The frame I'm looking at is a rolling unit with engine.  Seller says 47 so I have measured the bolt mount distance on the cab and will go back and check frame mounts.  Sure looks like a 49  but seller says 47.  Not sure if there is a difference.

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27 minutes ago, doogan said:

Doesn't matter just so the cab will mount up.  The cab is a 49 b1 with no bed as I am going to build a wooden flat bed on it.  The frame I'm looking at is a rolling unit with engine.  Seller says 47 so I have measured the bolt mount distance on the cab and will go back and check frame mounts.  Sure looks like a 49  but seller says 47.  Not sure if there is a difference.

There is quite a difference. Can you post a picture of the frame? It's quite obvious which is which. The battery I believe it outside the frame on a pilot house and inside on a W. If stock the W will have a rear sump pan and the pilot house a front sump. 

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OK.   Worked out to be a 49 at least the cab mounts up just right so I guess it is.  Thanks for all the information and help.  

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  • 2 months later...

The frames are the same general dimension 1948 thru 1953.

The mid cross member faces a different direction 48-50 vs. 51-53

The locating holes for the steering are the same for 48-49

The locating holes for the steering are the same for 50-53

The steering brace to the frame is in an "open" position 48-49

The steering brace is in a boxed, or "closed" position for 50-53

note: This is why a 48-49 steering column/box will NOT interchange with a 50-53 frame 

 

I made a video awhile back showing the two different steering bracket set-ups: 

 

Estrada Motorsports 1948-53 Dodge Trucks: Steering Bracket

 

48D

 

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Tim,

Are you sure that the steering units are the same between the B-2 in ‘50 and the B-3’s and B-4’s of ‘51-‘53? I believe that the steering column angle was changed in ‘51. I thought the steering units were different to accommodate that change. 

 

Merle

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