318 Fuel Tank
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Thread: 318 Fuel Tank

  1. #1
    Junior Member
    Display Name: William Sanford

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    Mar 2017
    Northern Piedmont, North Carolina
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    Smile 318 Fuel Tank

    I recently came across a deal that I have only read about. My nephew asked me if I wanted an old JD sitting in the shed at his Mother in Laws. This was about 2 years ago and I had forgotten about it. Recently his wife asked me the same thing. Thinking it was an old gear drive mower that was worn out I was not that excited about it but I said I would go and take a look. When I talked to the lady she said the 318 is sitting in the shed. I walked down and found a really nice 318 with 1037 hrs. on the meter. She said that the deck belt broke and they decided to buy a new 500 series. I asked what she wanted for it and she said I just want it out of the shed so she had more room. Needless to say the 318 came home with me. I have not tried to crank it yet as I wanted to clean out the fuel tank and replace the fuel lines. After getting fuel tank off I found out the gas had turned to varnish. I am looking for something to remove the varnish I tried swishing gas around and using my pressure washer but it still has some varnish inside. It also corroded the metal lines that go down into the tank. I was wondering if anyone had a source for the metal lines and some good ideas on how to remove the varnish from the tank.

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  3. #2
    Senior Member
    Display Name: John Johnson
    lt230s's Avatar
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    Sep 2006
    Orange County, NY
    Thanked 443 Times in 311 Posts
    Can't help you with varnish, but you should be able to get parts from dealer. Good luck with it and got any pictures? We like pics!
    John J.

    '67 112
    '69 112H-project waiting to happen
    '72 110 - daily worker w/ 39 deck, 43 blade, 37A blower
    '73 140 H3 w/ deck
    bunch of off color GTs also

  4. #3
    Senior Member
    Display Name: Andrew V
    amvcane's Avatar
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    Jul 2014
    Thanked 33 Times in 26 Posts
    To clean the tank I use about a cup of Purple Power or Crud Cutter and about a quart of hot water. Duct tape over the fuel outlets, add a couple handfuls of pea gravel, Saran Wrap and rubber band over fuel neck. Shake it up like a big martini. Rinse and dry well.
    The rubber tank grommets and fuel tank components are available from Deere.
    You have a great tractor there, good luck with it.
    Tractors: 1990 JD 322; 1987 JD 332; 1985 JD 318; 2012 Kioti CK35hst tlb
    Implements: 54" 4way blade; model 30 tiller w/ext; 50” deck; (2) 46" decks; (2) 3pts; Brinly DD-1000 disc; TracVac 880

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  6. #4
    Senior Member
    Display Name: Kelvin Gebhard
    gabby_in_wis's Avatar
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    Jan 2015
    Southwest Wisconsin
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    I am a firm believer in SeaFoam. May not be the product to use to initially clean up the tank but regular usage will keep tank and carb clean. I would start using it right away ... Gabby
    Last edited by gabby_in_wis; 12-10-2019 at 12:36 PM.
    Currently in my garages/sheds: 1967 JD112 RF ... 1972 JD 112 SF ... 1973 140 H3 ... 1977 JD 300 ... 1979 JD 216
    1979 JD 314 ... 1979 JD 317K ... 1986 JD 318 ... 2004 JD X485 ... 2011 JD TX Gator ... 2012 JD X720 ... 19XX Zennoh 7001B
    2003 HD Heritage Softail

    Deerely Departed : 1965 JD 110 ... 1967 JD 110 ... 1978 JD 316K ... 1987 JD 175 ... 1987 JD 185 ... 1987 JD 332 w/ 44 loader
    1990 JD 318 ... 2007 JD X300 ... 2015 Z930M ZTR ... 19XX MF 7 ... 1970 Harley FLH ... 1979 Harley Superglide

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