Wd brake pedal interlock
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=154519
Printed Date: 15 Oct 2025 at 4:11am Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Wd brake pedal interlock
Posted By: 59f100292
Subject: Wd brake pedal interlock
Date Posted: 03 Oct 2018 at 6:34pm
Has anyone ever made or sold a brake pedal interlock to enable movement of both pedals at the same time? I’m picturing two brackets that clamp on each pedal’s lever, one with a hinged lever and one with a U bracket. It seems like an easy project for someone with some fabricating ability.
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Replies:
Posted By: MACK
Date Posted: 03 Oct 2018 at 8:15pm
Posted By: AaronSEIA
Date Posted: 03 Oct 2018 at 8:39pm
I just use my foot. I seldom ever lock the pedals on new stuff that can be locked. I like the control of using them independently. AaronSEIA
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Posted By: Auntwayne
Date Posted: 03 Oct 2018 at 10:05pm
What would be the reasoning ? My boot covers both easily. Locking would get you in a bad situation fast in an emergency turn.
------------- Dad always said," If you have one boy, you have a man. If you have two boys, you have two boys". "ALLIS EXPRESS"
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Posted By: SteveM C/IL
Date Posted: 03 Oct 2018 at 10:59pm
A foot set a little crooked gets em both. Not needed. Can you tell were old guys?
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Posted By: 59f100292
Date Posted: 03 Oct 2018 at 11:03pm
Why? Ive always found it to be a beneficial feature. I guess I’ve never driven tractors so fast I’ve needed to make an”emergency turn” by locking just one brake. The only time I unlock them is making tight precise turns, and maybe for traction now and then. I’d hate to lock up just one brake in any emergency situation.
Maybe I’m just not used to having working brakes on the WD yet. Just seems like I have a tendency to only catch one pedal when I want to stop in a straight line. Having spent a lot of time on internationals, and deutz tractors I was under the impression the feature was the norm, not the exception.
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Posted By: WF owner
Date Posted: 04 Oct 2018 at 5:18am
I have thought about it too. My reason is that I use some of my old tractors for parades with grandkids and me driving them. I worry about their smaller feet hitting one brake when in road gear (getting back to the trailer after parade).
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Posted By: Ted J
Date Posted: 04 Oct 2018 at 8:29am
I remember that our CA had one on it. It was GREAT for our little feet. I don't know if the old man made it or it came from Allis? He worked in the Allis plant in La Crosse, WI. It had a shoulder bolt in the left brake and it flipped over onto the right one so our little feet (while pulling ourselves into the steering wheel) could press both brakes and stop while picking up bales of hay and such. I've thought of drawing up plans and sending them to RLTool to see if he could make some up. I think I'll do that tomorrow when it's raining AGAIN!!!
------------- "Allis-Express" 19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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Posted By: Dusty MI
Date Posted: 04 Oct 2018 at 8:43am
My D-10 series III has a latch to tie both pedals together.
Dusty
------------- 917 H, '48 G, '65 D-10 series III "Allis Express"
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Posted By: WF owner
Date Posted: 04 Oct 2018 at 8:55am
I bought an old WD a few years ago that had a piece of heater hose split, slid over both pedals and had black friction tape (I haven't seen black friction tape in years!) wrapped around it to hold it on the pedals.
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Posted By: JayIN
Date Posted: 04 Oct 2018 at 2:31pm
Just remember, BOTH brakes would have to be adjusted EQUALLY for that to work properly .
------------- sometimes I walk out to my shop and look around and think "Who's the idiot that owns this place?"
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Posted By: Dakota Dave
Date Posted: 04 Oct 2018 at 2:54pm
Both brakes have to be adjusted properly for the parking brake cam to work. I lock the brakes together on all the newer tractors when roading them. You don't want to hit one brake when your going 20 mph with a 25,000 lb implement pushing you.
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Posted By: dawntreader74
Date Posted: 04 Oct 2018 at 10:51pm
got a old wd from a guy long time back that had a peace of flat iron across both brakes to tie them together. he put a 5-16th' hole in each peddle. to bolt them together. it's ok if thats what someone wants.
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Posted By: 59f100292
Date Posted: 05 Oct 2018 at 9:39am
I’d much prefer being able to flip between locked and unlocked.
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Posted By: Dusty MI
Date Posted: 05 Oct 2018 at 10:52am
If this works, here is a couple pictures of my D-10 series III brake peddles tie.
Dusty
------------- 917 H, '48 G, '65 D-10 series III "Allis Express"
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Posted By: Ted J
Date Posted: 07 Oct 2018 at 6:15pm
I hope this works Dusty!! As you said, they look like they are Allis castings of the pedals. AND, they are EXACTLY like the ones we had on our CA back in the 60s.


There ya go guys!! Anybody got extra thick brake pedals out there?
------------- "Allis-Express" 19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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Posted By: 59f100292
Date Posted: 09 Oct 2018 at 1:29pm
I wonder if they are aftermarket? Would be nice to find a set sitting around somewhere.
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Posted By: AaronSEIA
Date Posted: 09 Oct 2018 at 3:54pm
Per the parts book, the D10 and D12 DID have interlocking pedals. Those pictures are factory. I would imagine with some work, they could be adapted to a WD. AaronSEIA
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Posted By: Reindeer
Date Posted: 09 Oct 2018 at 7:04pm
D15 S2 and the 170 both have the same interlock on the brake pedals. Show up in the parts book, so would be factory.
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