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caterpillar twenty pull grader

caterpillar twenty pull grader

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Moulding
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My dad and I just picked up this grader , I love the patina and want to preserve the original markings and wavy caterpillar transfers . I am hesitant to just spray clear coat like products as they my peal off in the future . The right hand side has rements of san Francisco ranch near the front of the frame , any history would be appreciated . Pics aren't loading , ill try later .
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Mon, Feb 5, 2018 5:48 AM
Moulding
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late 20s cat twenty grader pics .
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Mon, Feb 5, 2018 11:48 AM
gauntjoh
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Here in the UK I have seen old machines sprayed with thin hydraulic oil to preserve them and 'hold' the rust.
I also think that the petroleum product used to paint plough bodies to stop them rusting, which quickly sets to a non tacky, non oily finish would be good also, I don't know the name of it though.
That's a very nice looking grader.
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Mon, Feb 5, 2018 12:03 PM
Bruce P
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Reply to gauntjoh:


Here in the UK I have seen old machines sprayed with thin hydraulic oil to preserve them and 'hold' the rust.
I also think that the petroleum product used to paint plough bodies to stop them rusting, which quickly sets to a non tacky, non oily finish would be good also, I don't know the name of it though.
That's a very nice looking grader.
Man that’s neat!! I wonder if linseed oil would do what your wanting?

Good score!!

BP.
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Mon, Feb 5, 2018 7:55 PM
Skinner
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Reply to Bruce P:
Man that’s neat!! I wonder if linseed oil would do what your wanting?

Good score!!

BP.
nice find Scott love the patina
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Mon, Feb 5, 2018 9:43 PM
biggastractor
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Reply to Skinner:
nice find Scott love the patina
Nice grader,

There was quite a lengthy discussion on Smok Stak( or was it here?, can't remember) about how to preserve patina on old machinery such as your grader. Lots of folks like Owatrol. https://owatrol.com/en/ That's their website. I have not tried it but have a project that I would like to try it on.


Good Luck

Biggastractor
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Mon, Feb 5, 2018 9:52 PM
hotrodwelder1
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great piece Scott!
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Tue, Feb 6, 2018 12:26 PM
Andrew
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Reply to hotrodwelder1:
great piece Scott!
We have a product sold here called Penetrol. A clear coat type of rusy metal preservative that soaks right in.
If I remember I will post a photo of the tin tomorrow.
I am sure it would be available in other parts of the world.
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Tue, Feb 6, 2018 5:58 PM
Graderfan
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Reply to Andrew:
We have a product sold here called Penetrol. A clear coat type of rusy metal preservative that soaks right in.
If I remember I will post a photo of the tin tomorrow.
I am sure it would be available in other parts of the world.
I love to see that those old pull graders very much, thanks for sharing your photo 😊
Facebook group about Grader/Motorgrader: https://www.facebook.com/groups/motorgrader/
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Wed, Feb 7, 2018 6:22 AM
STEPHEN
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Reply to Andrew:
We have a product sold here called Penetrol. A clear coat type of rusy metal preservative that soaks right in.
If I remember I will post a photo of the tin tomorrow.
I am sure it would be available in other parts of the world.
[quote="Andrew"]We have a product sold here called Penetrol. A clear coat type of rusy metal preservative that soaks right in.
If I remember I will post a photo of the tin tomorrow.
I am sure it would be available in other parts of the world.[/quote]

At the last show in Pennsylvania, there was a well preserved IH wheel tractor. I asked what was used, it was penetrol. Paint on multi coats until you are satisfied. Haven't tried it yet,
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Wed, Feb 7, 2018 8:33 AM
Andrew
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Reply to STEPHEN:
[quote="Andrew"]We have a product sold here called Penetrol. A clear coat type of rusy metal preservative that soaks right in.
If I remember I will post a photo of the tin tomorrow.
I am sure it would be available in other parts of the world.[/quote]

At the last show in Pennsylvania, there was a well preserved IH wheel tractor. I asked what was used, it was penetrol. Paint on multi coats until you are satisfied. Haven't tried it yet,
Penetrol . I have used it for all purposes. As an undercoat on both poorly prepared surfaces, as a primer on newly sand blasted surfaces. Also as a covering clear coat over newly painted surfaces.
If applied after painting and fixing transfers it seals the transfers. Very easy to use as being clear mistakes cant be seen.
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Wed, Feb 7, 2018 12:43 PM

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