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Dump box floor

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
What thickness material should I use?

Planning to just go over top of existing. AR isn't in the budget, it's over $1500 a sheet for .25"
 

gwhammy

Senior Member
Joined
Nov 20, 2013
Messages
606
Location
missouri
I did a plastic liner floor in mine. It was thin and beat. Just happened to have a bed that had one I had bought.
 

gwhammy

Senior Member
Joined
Nov 20, 2013
Messages
606
Location
missouri
I have 500 dollars in this one after I sold the bed it was in. Just got lucky, was going to put a new floor in till I remembered it. You could do a wood overlay to get by depending on what you haul.
 

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
I have 500 dollars in this one after I sold the bed it was in. Just got lucky, was going to put a new floor in till I remembered it. You could do a wood overlay to get by depending on what you haul.
Gravel
 

525isx

Well-Known Member
Joined
Jul 4, 2010
Messages
126
Location
western wa.
Occupation
log trucker
years back friend off my dad's used 1/4 T-1, seemed to work out ok
 

525isx

Well-Known Member
Joined
Jul 4, 2010
Messages
126
Location
western wa.
Occupation
log trucker
i know you don't want to spend 5k on t-1, i saw your post on irate. my point was 1/4 inch. anything thicker starts costing more, pretty soon you are at the higher price of t-1 or ar
 

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
i know you don't want to spend 5k on t-1, i saw your post on irate. my point was 1/4 inch. anything thicker starts costing more, pretty soon you are at the higher price of t-1 or ar
1/4" cold roll is about $1500, 3/8" about 2000
 

terex herder

Senior Member
Joined
Nov 10, 2017
Messages
1,807
Location
Kansas
Salvage yard? Know anyone cutting up a large tank? When I refloored my truck I used 3/16 scrap I had acquired many years previous from a 50,000 bbl tank that was local that was being scrapped. Even steel from a 8' tank would work, easy enough to flatten with a hoe.
 

Shimmy1

Senior Member
Joined
Aug 14, 2014
Messages
4,357
Location
North Dakota
1/4" cold roll is about $1500, 3/8" about 2000
This whole situation is a catch-22. If you are only hauling sand, gravel, or 1.5" and smaller rock, 1/4" cold will be just fine. BUT, so will plywood and a liner, and will be much happier with the results.

If you ever need to haul rip-rap or concrete, you better put at least 1/4" T1, or you're just asking for the same result you have currently. JMHO, it's one of the reasons I have a side dump and not a dump truck.
 

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
Not sure if the factory floor is AR, but I don't think it's even .25". It lasted 35 years
 

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
Looked into it more, it's already got an added floor that has work through toward the tailgate. Looks to be 1/8", maybe 3/16"

Probably will cut the thin area and weld in new. Not sure if ill get it bent to match or just cut at the flat and weld there
 

IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
Got prices from another place and took measurements. Current floor overlay is 1/8" so actually held up ok. No idea how many loads on it though.
The guy said most of the ones they have done were mild steel, hardly anyone is doing it in AR as it's getting into buy new box range.

For 1/4" mild steel,

2100 for floor, 960 for side walls 4x12 sheets and 4x8
About $360 to bend 2 bends in 2 sheets and 4 in 1 sheet

All 4x8 sheets would be about same price just 3 horizontal seems vs 1 vertical and 1 horizontal near doghouse.

AR400
$5800 for floor, 1920 for walls
Can't bend

AR500
$6100 floor
$2020 walls
Can't bend
 

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IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
More
 

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IceHole

Senior Member
Joined
Aug 14, 2023
Messages
659
Location
AK
Thinking of cutting it along the first bend, have a couple dry cut circ saws. Weld that seam.
The bent part doesn't seem very worn and would save me a few hundred $$, and fuss of getting bent pieces to fit.

Do the floor now and maybe next year the walls, or this winter, after the truck hopefully earned some $$.

Insurance is running me about $3k for the year. Plus another $600 for registration. And $1500 for 2 steer tires. So need to do ~100 hrs of hauling just to be even.

I'd guess I got the truck fairly cheap due to the bed.
Slightly older, more miles CH Mack is for sale for almost 3x what I paid.
 
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