Dana 18 disc emergency brake. |
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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Must depend on the year. The ones I see on Ebay are $199. This part I posted earlier is a standard item for Vermeer. Looks like it's used on a trencher. They have them in stock and are $136, loaded with pads, at your friendly Vermeer dealer. Can't buy them anywhere else. The manufacturer, Ausco, wouldn't sell you one even if they did have it in stock. This outfit is local to me being just a handful of miles down the road. Can't get them to answer the phone. Dropped them an email and will report back. |
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1076 |
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Another possibility would be the late 70's-80's Subaru calipers that have a built in mechanical parking brake.
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1081 |
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You may want to look in to a late style Subaru or VW rear caliper that has the electric parking brake. They use a momentary contact switch and are very strong. The ease of three wires and a strong brake sure make them seem like a good idea.
Jay |
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redrunner
Member Joined: 01 Apr. 2016 Location: NW Iowa Status: Offline Points: 308 |
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Here is your rotor, I have been working on the parking brake idea for a year, got a mock up one done for a transfer case I had sitting around and it worked ok. On the jeep the caliper would not hold the jeep on any kind of incline. I think the electronic caliper is the way to go. The rotor had to be sanded just a touch in the center to fit on the rear of the D18. I sanded mine with a spindle sander with 80 grit sleeves and it took all of five minutes to get it to size. One other modification I had to make was to the holes, I welded them closed, then redrilled new holes to fit the yoke. And the next question will be did I rebalance it, No because it is so small. I have had the disc in place without a caliper that works for one year with no vibrations.
Don't spend your money on this one it will not work, I know for a fact! https://www.summitracing.com/parts/wil-120-2374
Edited by redrunner - 26 Apr. 2020 at 1:36am |
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“Life is tough, but it’s tougher if you’re stupid.”
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13563 |
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Just put a Line Lock on it and call it good....(yes, I know they say you aren't supposed to use them for emergency brakes but I bet they will still sell you one for that)
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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Interesting. Allpro seems to be using the same caliper as the other kit builders but $40 more than TSM charges for it. The Allpro rotor is way better priced though at $80 less than TSM's. Thanks for guinea pigging that Wilwood caliper. That's good to know it shouldn't be considered. The other Wilwood mechanical calipers require too large a diameter rotor to work as a transfer case parking brake.
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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I'm sure a line lock would work as a parking brake but I want a completely mechanical system to use as both emergency and parking brake. |
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13563 |
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I understand.
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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Update:
TSM said they have a very long term backlog on their calipers; two months at least and they weren't hopeful. Kind of moot at this point since that caliper can be purchased elsewhere. That said, this is my current #1 candidate for using as the caliper. About $100 cheaper than the other styles also. Well, it needs pads so that will add cost. |
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1076 |
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What is the original application for that caliper?
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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2016 - 2020 Chevrolet Malibu. I haven't had one in hand yet and my local Napa would have to order it in. Rock Auto has them for $27. I have a concern that it may be a mechanical actuator on a hydraulic caliper or it piggybacks on a hydraulic caliper as I can't find pads for it, or even a reference to them, online.
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1081 |
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It does look to have a bleeder on it. I would guess that it has some hydro in it. Jay
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1076 |
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I'm guessing, but with the bleeder, I think it IS the caliper for the regular brakes. It's the same scenario with the Subaru calipers. I think these would work better with a cable but I'm going to keep my straight mechanical linkage and need the actuator moving parallel to the drive line. The Subaru items will work for my application-just more expensive.
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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OnlyOneDR
Member Joined: 05 July 2016 Location: R Status: Offline Points: 456 |
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I did this very thing for my Nissan Frontier; I converted the output shaft to a fixed yoke (from a slip yoke), used a TSM disc and brake caliper, and fabricated a bracket assembly to tie it all together. My issue was that the axles I swapped into the truck would not accommodate disc calipers with mechanical parking brake levers. Had my photobucket account not been bombed out like everyone else's I would link a picture.
Parts Mike's stuff is for an NP205, wrong transfer case. Calipers with the integrated ratchet cam are nice (like the malibu you posted), you just have to make sure you use it regularly or else the screw drive/ratchet will lock up and eventually stop working. For extra research material you can look at what folks do when doing rear disc brake conversions; the hot ticket for years was to use Cadillac Eldorado calipers since they swapped in place of standard GM calipers. Those are really hard to find nowadays and fairly pricey when you do. In this case the t-case mechanical brake doesn't have to do a lot. Remember that it gets the same type of torque advantage as the engine by connecting upstream of the rear axle so the holding effect is multiplied by the axle ratio.
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Searching for time to put it all together...
1950 CJ-3A #37751 In Pieces 1969 Chevy Blazer Resto-Mod Waiting for its day... 2001 Nissan Frontier Crawler Adventure Rig |
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Stev
Member Sponsor Member Joined: 27 July 2016 Location: Cincinnati Status: Offline Points: 2383 |
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Any Progress on this? What rotor are you considering? It would be great to get a rotor that would be completely above the skid plate (which could be extended).
I like the idea of a mechanical parking / E-Brake that is not depended on other systems to work. It would be ideal if the existing cable could be used.
Edited by Stev - 21 July 2020 at 9:20pm |
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Stev
1946 CJ2A Trail Jeep (The Saint), 1948 CJ2A Lefty Restored |
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