Can a plow from a 420 be mounted to a 318 ?
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Thread: Can a plow from a 420 be mounted to a 318 ?

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    Can a plow from a 420 be mounted to a 318 ?

    Hey guys I posted a thread a little while ago about getting a 420, but I've decided to keep my 318 since I know its a good machine. I think eventually I want to find a 2 stage blower for it, but for now I think if I can get a hydraulic plow I can scrape up the snow that comes off my roof. That compacted snow is a real PITA to clean up and it doesn't do my back any favors either. I found a plow here in Vt, but its made for a 420. Its about the only one I can find in the state. He said it would fit with some one inch shims on each side or by simply narrowing the mounting plate. By looking at some pics of the 420 there is no way that the pins would reach the frame of my tractor if my tractor frame is 2'' narrower than a 420. I'm also not sure by looking at some pics if you can simply cut the plate and weld it back together and still be able to have it fit back on the plow and allow the plow to function properly. He's asking a fair price and he seems very knowledgeable about John Deere tractors, but I'm a little nervous about getting burned with something that wont work on my 318. Its cool to because it has a custom shovel built on it that swivels so you can use it as a plow or shovel. Anyways I thank anyone who can help me with this.

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    I have one for the 140, not sure if that will fit your 318. I can measure it if you want.

    Eric
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    IndianaJim's Avatar
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    You likely wont want to cut the frame down, although you could.
    Google 54 blade frame stretcher and you should see some pictures of a frame that mounts to the 318 and mates it to the 420 width so the plow will fit.
    It might be easier to get the correct one for the 318. Anything that fits the 140 on up to the 332 will work.
    If you get an older one, you will need to change the top hydraulic fitting, or it will run into the front "bumper" of the 318 and either put a nice big dent in it, or break the fitting off, or both.
    Any guesses as to how I know this?

    Just a side note, but if you are planning on getting a two stage for the 318, that means the big 47 thrower. Its a great snowblower, but its really heavy too.
    If you can, Id look into a Bercomac before the 47. They are lighter and throw further.
    Personally, I run the 49 single stage and have no issues. The 49 I have was purchased by my Grandfather when he bought his 312 in 1976. It has taken care of a couple inches and a couple feet many times over its life, and its not done yet.
    Single stage throwers are not as easy to use as a 2 stage blower, but they are lighter and cheaper, especially in this case.
    You can likely get a 49 for $500 or less, while the 47 will cost double that if not more.
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    Jim B.

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    The 54inch Blade for the 420 should work On a 318 Now a 54inch Blade for a 400 will not
    Last edited by Sergeant; 12-29-2018 at 03:03 PM.
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    Superfan 75,

    If EricJ's mounting bracket will fit the 318, I believe you would be further ahead with that blade rather than trying to cut and weld the mounting bracket from the 420 to fit the 318.

    Dave
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    Quote Originally Posted by Sergeant View Post
    The 54inch Blade for the 420 should work On a 318 Now a 54inch Blade for a 400 will not
    The 318 (140,300,312,316,330,322,332) frame is 2" narrower at the spring pin mounting location (the main portion of the frame at the front), but same width at the bottom (lower frame horns) as the 420/430.

    In other words, he will need to cut 1" off each side to make it work, which is doable, but not as easy as finding the right one.
    If its cheap enough, Id try it.
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    Jim B.

    318, 49 Thrower, 2 80 Carts, 17AT cart, 54 Blade, 12" Brinly Plow, 30 Hydraulic Tiller w/extension & Briney 3-Pt hitch, 50 deck w/JRCO Cart Bagger.
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    Superfan, I will trade you the mounts on your 420 for the 140 I have if you would like, then you can still have the 54" blade. I just need the mount for a future project.

    EricJ
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    Quote Originally Posted by IndianaJim View Post
    The 318 (140,300,312,316,330,322,332) frame is 2" narrower at the spring pin mounting location (the main portion of the frame at the front), but same width at the bottom (lower frame horns) as the 420/430.

    In other words, he will need to cut 1" off each side to make it work, which is doable, but not as easy as finding the right one.
    If its cheap enough, Id try it.
    I use a Blade on my 140 that was used On a 420 By the Previous owner

    Doesn't have to do any cutting But finding the Blade side Bracket for the 318 Might be the Problem. if You have that Bracket You Pull 1 pin change out the Bracket

    Here is the Bracket that is on the Blade now shown in the left picture circled in red The correct bracket that he needs is shown in the right picture circled In Blue all You Have to do is Pull two cotter Pins and a Rod and switch out the Brackets
    Attached Thumbnails Attached Thumbnails current bracket red.jpg   Correct Picture in Blue.jpg  
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    IndianaJim's Avatar
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    That was an odd 420 then, because the frame is 2" wider on the 400 series.
    Something is definitely different somewhere if you are 100% sure that blade was actually used on a 420, mounted correctly (it would have worked with a frame squeezer).

    The 300/400 series used to be my "thing", so your post is somewhat confusing in the "what fits what" area, as this discussion was had several times over on weekendfreedommachines when they were the go to place for those tractors.
    Your blade, in its current configuration, wouldnt fit over the front of the frame on a 420/430 if there is no gap on the sides (it would be about a 1" gap on each side).
    My 318 currently wears a blade from an early 140. No additional brackets were needed.

    This is just one thread over on WFM discussing it. It shows what had to be done to go the other direction, blade from a 318 made to fit a 420.
    420 and 318 front blade compatibility

    They mention Al Zimmerman in there, and hes the one who made/makes the "Frame Squeezer" for specifically for this particular combo work.
    Are you sure the guy you got the blade from didnt use a frame squeezer?

    Not trying to be argumentative, just trying to prevent someone getting something they thought they could use, but cant.
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    Jim B.

    318, 49 Thrower, 2 80 Carts, 17AT cart, 54 Blade, 12" Brinly Plow, 30 Hydraulic Tiller w/extension & Briney 3-Pt hitch, 50 deck w/JRCO Cart Bagger.
    2025R, 120R loader w/Kens Bolt On Hooks, 260B backhoe w/8" & 16" buckets, Titan 36" forks, Imatch hitch, Weight Bracket/Hitch.

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    The value of a 420 plow is about $100 more then a 318 plow. It’s not worth the cost. Flipping the 420 blade if it’s cheap is way better.
    69project likes this.

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