Dual Brake Pedals on a 316
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Thread: Dual Brake Pedals on a 316

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    Dual Brake Pedals on a 316

    Good afternoon folks! I am getting ready to convert a 1986 316 to dual brake pedals. I have the pedal shaft from a 317 and it looks like it should be fairly simple. Main question I have is whether any tractors with dual pedals had the neutral return hooked to them. I am fixing this old bear up some. Already added a 3-point lift to the back and upgraded the engine to a P220 Onan. I have lots of 3-point implements that I have built for my tractors, so that was needed. Here's the pedals.
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    Last edited by KennyP; 02-23-2019 at 01:52 PM.
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    VietNam Vet, 68-69
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    Kenny, The 317 does not have a neutral return "set-up"...I just move Fwd/Rev lever to neutral! My 322 does however. Additional arms are attached to each pedal and in turn operate linkage to move hydro into neutral. That said, I've only used my brakes for steering and simply use the hydro lever for stopping.

    The neutral system with the brake pedals is FAR MORE than a simple spring...levers, links, arms, and plates are involved! It can be done, but why??? Bob
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    Quote Originally Posted by rwmeyer View Post
    Kenny, The 317 does not have a neutral return "set-up"...I just move Fwd/Rev lever to neutral! My 322 does however. Additional arms are attached to each pedal and in turn operate linkage to move hydro into neutral. That said, I've only used my brakes for steering and simply use the hydro lever for stopping.

    The neutral system with the brake pedals is FAR MORE than a simple spring...levers, links, arms, and plates are involved! It can be done, but why??? Bob
    Thank you! I thought the 317 did not have it. Didn't really want to add in as I want to use the brakes for traction help. The tractor has (now) got a good neutral with the lever and I seldom use the brakes to stop anyway. I'm just used to tractors with the Peerless 2500 that is limited slip so traction is not that much of a problem. I'll post more of this as I get into it in case someone else wants to try it.
    VietNam Vet, 68-69
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    I havent heard of anyone putting limited slip in a 316.

    Usually people get a 420/430 rear end and then they have 2 speeds, and a manual locker.
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    Quote Originally Posted by rydplrs View Post
    I havent heard of anyone putting limited slip in a 316.

    Usually people get a 420/430 rear end and then they have 2 speeds, and a manual locker.
    None of those down here! Have to make do with what's available!
    Weather is decent out there so I started on the brakes today. Had to fix a broken window on the tractor port first from the wind yesterday! Got the fender pan off!
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    There is no brake lock on the shaft, it's incorporated into the neutral return. Here's the LH end of the shaft.
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    And the RH side with the brake rod taken off.
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    The two pedal assemblies. You can see the differences here.
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    Saw that the RH pedal needed the brake rod attachment reworked, wasn't going to work so I cut it off and made up a new one.
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    Had to make a new bushing to hold things in the right position side to side. Then drilled a new hole 90 to the original in the LH end of the rod. Got that all put back together.
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    Trying to decide if I want to make a stop for bringing the pedals back up or not, so I stopped for the day! If I put return springs on, I'll need a way to 'stop' the pedals from going too far.
    Really a simple way to add turning brakes to one of these! I will NOT have a brake lock or neutral return on this tractor.
    Tomfive likes this.
    VietNam Vet, 68-69
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    '86 316 Tractor (361703)
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    I got to thinking about the parking brake mechanism along with stops to keep the pedals from returning too far. Figured it all out. My return springs are not strong enough, I'll address those later.
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    I put it all back together and it works well. Need to fine tune the brake adjustments when I redo the springs.
    Tomfive likes this.
    VietNam Vet, 68-69
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    '86 316 Tractor (361703)
    '89 265 Tractor (597403)
    F725 Front Mow (032048)

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    Kenny,

    To improve your return spring capability why don't you simply go to the setup used on the 318 models. You can go to the JD Parts website and see a parts breakdown for this. The 318's essentially used two stronger springs that were located at the rear of the brake actuation rods that were used on either side of the tractor. I've seen writeups on the brake conversions you're doing before and they mentioned having to lengthen the piece of squarestock that is used for the pedal stops. They also mentioned having to relocate that squarestock but I think that had to do with maintaining the stock neutral return linkage....................Gary

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    Quote Originally Posted by GMan View Post
    Kenny,

    To improve your return spring capability why don't you simply go to the setup used on the 318 models. You can go to the JD Parts website and see a parts breakdown for this. The 318's essentially used two stronger springs that were located at the rear of the brake actuation rods that were used on either side of the tractor. I've seen writeups on the brake conversions you're doing before and they mentioned having to lengthen the piece of squarestock that is used for the pedal stops. They also mentioned having to relocate that squarestock but I think that had to do with maintaining the stock neutral return linkage....................Gary
    I saw how they attached the spring to the rods on a 318 but not where they attached to the tractor. So much for JD parts.
    VietNam Vet, 68-69
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    '74 112 Tractor
    '86 316 Tractor (361703)
    '89 265 Tractor (597403)
    F725 Front Mow (032048)

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    Here's what JD parts on the 318 brakes. Does not show where the spring attaches to the tractor!
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    VietNam Vet, 68-69
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    '74 112 Tractor
    '86 316 Tractor (361703)
    '89 265 Tractor (597403)
    F725 Front Mow (032048)

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    Kenny,

    I know the front of the spring hooks through the washer that is welded onto each brake rod. It can be seen on the parts breakdown. And I believe the rear of the spring attaches to the brake actuator cam shaft/arm (or whatever it's called) which is part number 14 on the parts breakdown drawing. I will be down in my barn working tomorrow and will look at my 318 and get back with you in confirmation of that. Or if it is hooked to something else I will inform you of that..................Gary
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