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John Deere Tractors Discussion Forum

correct colors for gas and radiator cap

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farm boy flyer

11-09-2018 05:52:40

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I am restoring an early 620 and have taken many pictures of these at shows. I have seen radiator caps both painted green and cad plated. I have also seen fuel caps painted red similar to later models and also painted green. I would like to know what is correct for this model.

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Mike M

11-09-2018 08:02:12

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 Re: correct colors for gas and radiator cap in reply to farm boy flyer, 11-09-2018 05:52:40  
right or wrong I like to color coordinate them to what newer machines use. Black on radiator and red on fuel.

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11-09-2018 07:27:18

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 Re: correct colors for gas and radiator cap in reply to farm boy flyer, 11-09-2018 05:52:40  
My 620 (6221964) when I restored it 10 years ago & researching what others told me at the time attending many show's I copied what I saw on a few PERECT 620's that caught my eye. And was a cad/Radiator cap & & Red Gasoline cap. At that time a New Cap from Deere came in Red. Whether that is 100% IDK but I'm am still happy with my choices.

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Mike M

11-09-2018 08:00:53

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 Re: correct colors for gas and radiator cap in reply to rla, 11-09-2018 07:27:18  
Those new caps from Deere are like a 4020 cap and are vented. These will let fuel slop out at least if used on a diesel 720. I had to epoxy the center vent hole shut. But make sure your factory vent tube is open first.

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11-09-2018 18:00:57

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 Re: correct colors for gas and radiator cap in reply to Mike M, 11-09-2018 08:00:53  
I think cad plated for radiator, and like the previous poster I had fuel sloshing out of my new cap on my new paint and Kent at K&K fixed me up with one that worked like it should

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farm boy flyer

11-10-2018 04:46:06

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 Re: correct colors for gas and radiator cap in reply to MikeinKy, 11-09-2018 18:00:57  
Thanks for all of the comments. I just found an original 20 series brochure that I got years ago on ebay. Of course it is an artist's rendering but it shows the fuel cap as red and the radiator cap as green.

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