I knew it..RUST!

David69

Active member
It can be saved! I finally pulled out the plastic bed liner where I suspected moisture has been trapped since 2006. I have owned this for 2 months. It is a very sound RTV! Maintained well by the previous owners (a cemetery) who parked it indoors. I see why the new RTV's have eliminated the plastic bed liner.
 

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Totally a pain for sure; but you are doing the right thing.... Perhaps take the sides off and treat where they attach to the bed and the underside of that metal lip..... For sure there is rust there also.......Lots of folks use "fluid film" for places like that or under the whole under side, etc......do a search....LOTS of information and talk of uses..... God bless.....Dennis
 
Plastic bedliners are the worst thing ever invented for the purpose of saving a bed......

The quality of metal used by Kubota is low on the scale. So you always have to be looking for rust.

Another place to watch closely is in the bed stake holes. There is barely a drainage hole so they will over time collect debris and start the rust process.

Good catch. :)
 
Plastic bedliners are the worst thing ever invented for the purpose of saving a bed......

The quality of metal used by Kubota is low on the scale. So you always have to be looking for rust.

Another place to watch closely is in the bed stake holes. There is barely a drainage hole so they will over time collect debris and start the rust process.

Good catch. :)

True it took me a half of day to get the compacted dirt out of the stake pockets. Finally I drilled it out with a concrete drill bit and sucked it out with a shop vac.
 
Totally a pain for sure; but you are doing the right thing.... Perhaps take the sides off and treat where they attach to the bed and the underside of that metal lip..... For sure there is rust there also.......Lots of folks use "fluid film" for places like that or under the whole under side, etc......do a search....LOTS of information and talk of uses..... God bless.....Dennis

The sides are good where they attach. Just one bad spot The bed liner had holes in it..a perfect avenue for water to get in and collect between the plastic and metal bed. it is still sound though..Scraping rust off and then applying bed liner sealant.
 

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Disassembly and sand blasting would be good. A rust converter would help if you don't do that. The rust must be removed or converted or it will come back.
 
True it took me a half of day to get the compacted dirt out of the stake pockets. Finally I drilled it out with a concrete drill bit and sucked it out with a shop vac.

I kinda looked it over but haven't came up with a remedy yet. When the weather runs me into the shop I'll investigate closer and post my suggestions. But a fix has to be figured out. Very poor design on Kubota's part. Actually I believe the bed to be the weakest part of the RTV.
 
Again, for me, to take those sides off.....Not going to try to say I know it all and that my answer is THE WAY ORDAINDED FROM ABOVE.....but, common sense says to take it totally apart and then apply something to remove or stop that rust......

I got some of that "glider" type lawn furniture that was so popular back in the 50's for Fathers day a year or two ago.......Lots of rust, worse than yours....I used a product called POR-15 that totally stops rust....One puts on a coat of stuff to clean it and get it ready and then one applies the real product....It's just like painting something and using a primer....one uses it all then as it doesn't store well.....then one paints over it with your color and product of choice.....
Two years later and it still as good or actually better than new.....God bless...Dennis
 
I look at it from the other direction. If properly constructed with proper drainage, no protection is needed.

Undercoating, spray on liner, etc., is only as effective as drainage and or drying conditions provide.
 
The RTV bed would be relatively easy to do
But will only be effective if disassembled as Dennis suggested. Otherwise you will simply create a place for rust between the individual pieces. In that situation you would be better off to leave them untreated and kept clean and dry as possible.
 
POR15 works well on rusty steel, I've used it many times, just don't use it on bare steel even if you've cleaned it. The coating will peel off in sheets. Don't ask me how I know, it was not fun. Bob
 
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