Wtb, moore, or other rear mounted transmission.

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Matt_A_1926
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Wtb, moore, or other rear mounted transmission.

Post by Matt_A_1926 » Sun Feb 10, 2019 11:21 am

Been on the lookout for a moore or any other make of auxiliary transmission that mounts just in front of the differential. Looking for a 3 speed or 2 speed direct and over drive. I plan to mate it with my Ruckstell.


Allan
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Re: Wtb, moore, or other rear mounted transmission.

Post by Allan » Sun Feb 10, 2019 5:07 pm

Matt, I have never come across a Moore overdrive gearbox. They can be put in in reverse to give an overdrive, but 50% is way too big a step. They can be used with a 3:1 crown wheel and pinion set, but there is a special trick involved in being able to assemble this combination.
Allan from down under.


Layden Butler
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Re: Wtb, moore, or other rear mounted transmission.

Post by Layden Butler » Sun Feb 10, 2019 5:34 pm

As I remember the side of the Moore case has a cast rectangular pad that might have been for the serial number and a letter to indicate over or under drive. Yes the 2 have different gears.

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kmatt
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Re: Wtb, moore, or other rear mounted transmission.

Post by kmatt » Sun Feb 10, 2019 7:41 pm

Yes Allan you are correct about using 3:1 gears and a Moore. Because the 3:1 pinion is to big to go into the assembled rear axle housings and the drive shaft rear bearing spool, (which was a closed spool when the Moore was designed), mounts to the back plate of the Moore, that mounts to the Moore case you basically have to assemble things back to front. As Layden says the Moore cases were marked with a letter in front of the serial number, a U for under drive and a O for over drive. I have only seen one Moore case marked with a O, and it was by its self in a pile of parts, the gears were long gone. Matt you might consider using a KC or original aluminium case Warford with your Ruckstell with stock 3.63:1 gears.

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kmatt
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Re: Wtb, moore, or other rear mounted transmission.

Post by kmatt » Sun Feb 10, 2019 8:30 pm

Moore under drive case UD-1996
Attachments
Back side of case, towards rear end.
Back side of case, towards rear end.
Front side of case, towards engine.
Front side of case, towards engine.
Moore under drive case UD-1996
Moore under drive case UD-1996
Moore-Case-picture2.JPG
Moore-Case-picture1.JPG


Wayne Sheldon
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Re: Wtb, moore, or other rear mounted transmission.

Post by Wayne Sheldon » Sun Feb 10, 2019 9:37 pm

I have had a couple Moore transmissions over the years. All of them were under-drives. I did know of one that was an overdrive, and the fellow that had it LOVED it! Universal built a very nice two speed (most were all bronze housings!), and they made more of the overdrives than Moore did. I had a Universal direct/overdrive years ago, and it was wonderful! Universal and Rocky Mountain both made three speed progressive shift transmissions which had under, direct, and overdrive. These were really nice. I really wish I could get a couple more of them. They were amazingly easy to shift, however, they did have on silly quirk. They had not one, but TWO neutrals to get stuck in! All kidding aside, they actually shifted so easily that approaching a stop, you could downshift from overdrive, slip right through direct, and end up in under-drive! The only real difficulty really was that if you missed a shift, wondering where you were and deciding whether to shift up or down?
On any of these type transmissions, some sort of added braking of some type is NECESSARY! It really doesn't take a lot. GOOD lined inside brake shoes properly adjusted and maintained so that they can reliably be USED is adequate (barely!). I have had a couple Ts set up that way. I cannot over-stress the "PROPERLY adjusted and Maintained" part of that.


shirleysboy
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Re: Wtb, moore, or other rear mounted transmission.

Post by shirleysboy » Sun Apr 28, 2019 8:51 pm

Wayne, are you wanting to buy another Moore Transmission? Marvin Miller, Nampa, Idaho

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