underneath mower deck

has anyone painted or put any other kind of sealer to protect the underside of there mower deck to preserve it to last a little longer than rusting out?
 
I don't think there is much of any thing that would work or hod up well. If I was going to try any thing it would be some spray on pickup bed liner spray but even it will be knocked off over time by rocks and sticks etc.
 
the reason i asked is im waiting for new blades to come in the mail and im cleaning up my mower deck now, so before the blades get installed i was gonna see what others do to there decks
 
The best thing you can do is keep the deck clean and free of the grass that likes to build up under the deck. The grass holds moisture and that is what rusts out the deck.
 

They make a product called POR-15 that's used on street rod frames and many other uses for repairing rusted out spots. I did a deck many years ago and if I remember right that stayed under there for several years. You have to prep it correctly and it's not real cheap, but I was satisfied.

Old's suggestion of bed liner is probably a good one, too. I had my truck sprayed with 'Reflex bed liner' (brand name)and couldn't be happier. I had it done by an Amish or Mennonite facility and they put it on THICK, not just a spray can black tar. This stuff, I think, is urethane and is super tuff. I'm going to have a deck done one of these times just to see how it holds up.
It hasn't been a concern of mine lately because I make sure I wash my deck out often. I guess that's the best.
Irv
 

They make a product called POR-15 that's used on street rod frames and many other uses for repairing rusted out spots. I did a deck many years ago and if I remember right that stayed under there for several years. You have to prep it correctly and it's not real cheap, but I was satisfied.

Old's suggestion of bed liner is probably a good one, too. I had my truck sprayed with 'Reflex bed liner' (brand name)and couldn't be happier. I had it done by an Amish or Mennonite facility and they put it on THICK, not just a spray can black tar. This stuff, I think, is urethane and is super tuff. I'm going to have a deck done one of these times just to see how it holds up.
It hasn't been a concern of mine lately because I make sure I wash my deck out often. I guess that's the best.
Irv
 
Keeping it clean and above ground to alow air circulation when not being used will help more than anything. Coating with diesel and/or used motor slow's rust and help's prevent grass sticking until oil wear's off.
 
maybe i'll just paint the bottom, no'ing that it will wear off , or buy a small container of por-15 , i just figured id do something while the blades are off
 
Good morning! Just my opinion, I think severe damage occurs on many mower decks under the belt guards on top of the deck. My Deere deck (about 56 inch, I think) has some rust I found when I took the belt guards off to inspect the belts. Don't leave it out in the rain, and don't wash with a hose if you are not going to unbolt the covers or at least blow out with compressed air.

Dennis M. in W. Tenn.
 
my tractor has been stored inside for the last 20 years after i use it, the guards on top do collect a lot of clippings , so i think i'm going to take them off , the one side is off already because i use a power flow bagger and the double pulley would get in the way, as for the underside , theirs just some scale rust that i scraped off with a scraper , so maybe il'l put some por-15 on it and leave it at that
 
This mower deck is a 1969, I've had it about 35 years, I blow the belt shields out when done and usually hose the bottom out. I used to take the deck all apart every other year and paint it but not lately. The last time I painted the bottom I emptied my old spray can stash, any color that would still spray and that hung on pretty good for 3or4 years but it's getting thin now and I'm trying to wear it out because I have a rebuilt deck hanging on the wall. That old deck mows about 1 and 3/4 acres a week.
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I periodically paint the deck underside. It doesn't last that long if you are mowing in dry conditions because you are pulling sand up with the grass. It will however help with wet grass accumulation and subsequent rust formation.

I also pull my snow blower attachment apart once a year and paint the inside of the housing where the chunks have scraped the paint away. It will last a bit longer and the snow will slide through easier.

At the end of the day it makes me feel better that I am trying to keep things operating longer.
 
I've never done it to a mower deck, but if serious about preserving against rust, epoxy would be the most permanent coating.

It would need to be blasted down to bare metal for it to properly adhere. But once applied, it could be pressure washed and recoated as it wears off.
Epoxy Coat
 
Truck brush-on bedliner coating, something that dries with a smooth shiney surface. Something that can
build up a thick layer.

I've tried the graphite paint like "Slip-Plate" made to get wet corn to slide out of gravity wagons,
even with 2-3 heavy coats in places where it wears, you get bare steel showing.
 
EZ-Slide graphite coating is a product that works well. Nothing sticks to it but it does require occasional re-coating
depending on the amount of wear. It can be had at TSC and similar stores.
 

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