Original bed for dump conversion

37
45
18
Location
Iran
Hello everyone

I bought one M35A2 recently and decided to convert it's bed to a dumper. So people in my country said the original bed is too weak for dump conversion and it's worthless to make it stronger.
I want to know are they right or wrong ?!
And if I want to make it stronger , what should I do

Thank you
 

gringeltaube

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.... the original bed is too weak for dump conversion and it's worthless to make it stronger.
First may be true; second, not.

Check out this post (in the dump-conversion compilation thread)...

Some of the pictures there showing the reinforcements added to the bed sub-frame. (successfully tested, up to almost 10 tons...!)
Adding two more pics, of that building process:
21.JPG DSCI0018.JPG

All that because a single telescoping cylinder was used. If you choose a scissor lift system, the forces are better distributed, so less reinforcements are needed.
 

tobyS

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True, there is a lot less reinforcements in a deuce bed, but it is not "worthless" to reinforce. I would use additional bed frame rails myself to add some strength and gain a few inches for a scissor. And if your deuce is typical, it will have welded sides that give it much strength too. For the cost, a (battery operated) scissor would seem to be a good addition.
 
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37
45
18
Location
Iran
Hello

Thanks a lot dear gringeltaube and tobyS ;)

I want to keep the original look of deuce, so I like reinforcement of the original bed more than making a shop made dump bed.

How much load can deuce carry without any damage to it ? (I know it has capacity of 2.5 ton offroad and 4-5 ton onroad) But here in Iran people load the poor deuce more than 18 tons !!! I don't want to hurt my deuce because I love it :)

Yes my deuce is a typical M35A2 with winch.

some pictures of my deuce

IMG_20201216_110338.jpgIMG_20201216_110349.jpgIMG_20201216_105412.jpg

Thank You
 

frank8003

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Wow, Load and drive a Deuce in Iran at 18ton.........................
Golly, Our guys build good stuff!
Well, spring shackles fail and dogbones twist right off.
I guess they got a lot of our stuff.....................
 
37
45
18
Location
Iran
Wow, Load and drive a Deuce in Iran at 18ton.........................
Golly, Our guys build good stuff!
Well, spring shackles fail and dogbones twist right off.
I guess they got a lot of our stuff.....................
Proudly Made in USA :cool:🇺🇸

Here people load 5 ton (m816) over 30-40 tons !! They are crazy !!
I think Iranian people just take attention to the number of wheels of Deuce ! they don't care about it's factory capacity ! but not me , I care about Deuce just like my other American cars .
 

tobyS

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I'm not saying they are weak, but that the springs and dog bone suspension is not as robust to take an overloaded condition like when new. Be prepared for a fail by having some suspension spare parts, if you can. Putting a dump bed on it will bring even more stress transmitted to the frame, so dumping a heavy load will be big potential to twist.

My m35A3, which may be GK's vintage frame, had enough surface to surface rust at the trunion mounting to take away 50% in my opinion. His trucks frame is same vintage. Here is a photo of my 4x4 but you can see the frame plates I added...an 11x3x1/4. Look for rust between the trunion reinforcement and frame.

I don't see the bed itself as the weak link, but the hinge and frame of a cheap scissor. Go heavy on frame reinforcement or not at all.
 

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