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2 Cylinder Power Transmission/Brakes

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Bud

07-30-2001 18:55:15




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With the horizontal cylinder arrangement I don't understand what the mechanism is that transfers power to the rear wheels ( chain drive? ).Also what are the brake drums attached to since their obviously not on the rear axels. I know these sound like dumb questions to you guys but I grew up with Allis Chalmers and Farmalls and their very conventional.
Thanks




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rollo

07-31-2001 05:52:02




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 Re: 2 Cylinder Power Transmission/Brakes in reply to Bud, 07-30-2001 18:55:15  
The gears (diameter) are all parallel to the long axis of the tractor (front to back). The axles are connected to the transmission by a pinion gear similar to what you would find in a car differential. It's the only one perpendicular to the long axis. There are no chains. The brakes have a gear internal to the case that meshes with a bevel gear in the differential on either side.



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Bud

07-31-2001 06:56:42




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 Re: Re: 2 Cylinder Power Transmission/Brakes in reply to rollo, 07-31-2001 05:52:02  
Thanks ,that was very informative. It sounds like the differential mechanism is intregal to the transmission versus two seperate housings. Would that be correct? Also how does one crank the engine by hand? Do you just grab the flywheel and spin it or is there a crank handle.Seems like a dangerous proposition since you would have to be standing against the rear tire.

I'm looking for an A or B to add a little green to my orange collection. Do you know what the differences are in these two models-how much bigger is the B?
Thanks
Bud

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Bob Weber

07-31-2001 14:27:45




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 Re: Re: Re: 2 Cylinder Power Transmission/Brakes in reply to Bud, 07-31-2001 06:56:42  
The "B" is actually smaller than the "A". And to throw more confusion into the mix, I have been told that some of the larger 2 cylinder machines did use chains in the final drive.



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RALPH

07-31-2001 17:00:13




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 Re: Re: Re: Re: 2 Cylinder Power Transmission/Brakes in reply to Bob Weber, 07-31-2001 14:27:45  
I'm not sure about the GP, but other than that the D was the only one to use chain (one on each side) for the final gear reduction.



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Chris

07-30-2001 20:45:08




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 Re: 2 Cylinder Power Transmission/Brakes in reply to Bud, 07-30-2001 18:55:15  
i am not sure about the axle drive but i would make a guess that it is drive by a set of worm gears possibly i do know that the brake mechanisms are a shaft with a gear that intermeshes with another gear inside of the transmission, i just had one out today to go through them and if you pull the three bolts that hold it to the transmissino you can see that all for yourself, but i would almost bet money that they aren't drive by a chain, hope this helps ya out just a little bit
Chris

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