1940 Pickup Cab Mounting

[kirkf]

I have a couple questions about mounting the cab for my 1940 Pickup

1. Was there a rubber pad between the wood and the frame
2. Was there also a rubber pad between the wood and the cab?
3. Was there a rubber pad under the front mounting point at the firewall. (The spot where there is no wood)
4. What are the dimensions of each of the 4 bolts per side?
5. Is it correct that only the four corner bolts get a spring?
6. Does the wood used for the box also get a rubber pad under it?


I do have some original (Maybe?) wood from under the cab, and it had a double layer of rubber on both the top and bottom of the wood at the mount points.

Sadly I don't have original bolts and like most things for these trucks, they are no longer available from any of the online retailers

Any info would be appreciated.


Kirk

 

[Model51]

Kirk - I can only tell you what a 1935 truck wood block mounting and rubber pad looks like but I suspect they are similar.
1. The rubber pad goes between the frame and each wood block.
2. Each wood block is attached to the cab sheet metal with two number 6 wood screws and no rubber pad.
3. Can't help
4. I don't know the dimensions of the bolts you need. For a 1935 truck, all four bolts on one side are different lengths. The front and back are shouldered hex bolts with a hole drilled in the end for a cotter pin. The two in the middle are carriage bolts.
5. For 1935, only the corners have springs (hence the drilled-end hex bolts).
6. Don't know about bed fastening.

By 1941, the attachment methods may have changed from what was used in 1935, so take my info with that in mind.

If you PM me and include your email address, I can send you a couple pages from my book which detail the cab mounting wood blocks, rubber pads, and mounting hardware that you can use for reference.

 

[35fordtn]

1935-41 Cab Mounting hardware is within 1/4" on the carriage bolts to being the same. We "may" make a very limited run of them again. We have the springs already made. The real issue isn't the shouldered hex bolts (anyone with a lathe can make) The real issue is the 7/16-20 carriage bolts. 7/16-20 carriage bolts in any length have not been mass produced in 60 years but see my note in the next paragraph

Unless doing for point judging, I would not worry about the springs on the 4 corners and use regular hex bolts. Once you see the spring on person you'll see why. They rate at 860lbs (so imagine a flathead valve spring x15 in terms of rate) Our roads are much smoother these days and the need for these springs likely isn't there. The carriage bolts there are solutions for by using carpenter's 57-67 Ford F-100 bed to frame hardware kit and cutting them to the needed length as they are the imposssible 7/16-20 carriage bolts https://www.dennis-carpenter.com/trucks/body/bed/373718-set-bed-to-frame-bolt-kit


As dave mentioned on both the bed and the cab a piece of 1/16" webbing went between the wood and frame, and the cab / bed and frame. No webbing between the wood and the bed or cab

 

[nelsb01]

Here's a picture of the pad on a mouning block for a 1936 pickup. The original pads were a woven material that had been sealed with some tar like substance. Also, the staples were wide and narrow in width.
Hope this helps.

 

[petehoovie]

I have a couple questions about mounting the cab for my 1940 Pickup

1. Was there a rubber pad between the wood and the frame
2. Was there also a rubber pad between the wood and the cab?
3. Was there a rubber pad under the front mounting point at the firewall. (The spot where there is no wood)
4. What are the dimensions of each of the 4 bolts per side?
5. Is it correct that only the four corner bolts get a spring?
6. Does the wood used for the box also get a rubber pad under it?


I do have some original (Maybe?) wood from under the cab, and it had a double layer of rubber on both the top and bottom of the wood at the mount points.

Sadly I don't have original bolts and like most things for these trucks, they are no longer available from any of the online retailers

Any info would be appreciated.


Kirk

 

[petehoovie]

Here's a picture of the pad on a mouning block for a 1936 pickup. The original pads were a woven material that had been sealed with some tar like substance. Also, the staples were wide and narrow in width.
Hope this helps.