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question on ride-a-matic gear case (differential) behaviour


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#1 motobreeder OFFLINE  

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Posted July 26, 2011 - 08:42 AM

I have a 1960 ride-a-matic.

For those who have driven a ride-a-matic, I'm curious about the gear case behaves.
(I made sure the differential release pin was fully engaged.)


When I change directions (forward-reverse), it seems to take several revolutions of the input shaft of the gear case before the wheels start to move. The gear case is all gears - where is the slack coming from?

Doesn't feel like the gears are skipping. While loading it on a trailer, the front snagged - the rear wheels pushed until they spun. I didn't feel any internal slipping or jumping of the gears. Felt good and solid.


Hopefully this is normal behaviour.



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#2 dmcjt850 OFFLINE  

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Posted July 26, 2011 - 03:25 PM

could it be in the chain? just a thought.

#3 motobreeder OFFLINE  

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Posted July 26, 2011 - 10:35 PM

I don't think so - I'm watching the number of rotations on the input shaft for the gear case.

Some day this week, I'll take a closer look to see how many rotations on the input shaft before the rear appears to move.

#4 Nascar3244888 OFFLINE  

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Posted July 27, 2011 - 03:47 AM

my 1957 does the same thing
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#5 Bruce Dorsi ONLINE  

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Posted July 27, 2011 - 08:18 AM

I have a 1960 ride-a-matic.
When I change directions (forward-reverse), it seems to take several revolutions of the input shaft of the gear case before the wheels start to move. The gear case is all gears - where is the slack coming from?


If there are no teeth missing on any gear, I think you may have an accumulation of wear on all the woodruff keys, differential bevel gears, pinion shafts, bushings, and key slots, etc.

In looking at the parts manuals, I see that in 1959, the large differential gear was bolted to the gear carrier with 4 cap screws. .....The gear and carrier were available as separate parts, each having its own part number.

For 1960, the gear & carrier were shown as an assembly having one part number. .....There is no indication if the carrier and gear are welded together, bolted together, or riveted together. .....It is possible that this connection has lost some of its integrity and may contribute to the slack in your tractor.
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#6 motobreeder OFFLINE  

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Posted July 27, 2011 - 10:29 PM

Nascar3244888 - this was the anecdotal information I was looking for.

Bruce - that's a lot of great information. The parts book that came with it indicated model #232-01. I believe that makes it the 1960.


Based on both responses, I'm satisfied this is normal wear for a tractor that's been around for over half a century.

#7 Bruce Dorsi ONLINE  

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Posted July 27, 2011 - 10:42 PM

The parts book that came with it indicated model #232-01. I believe that makes it the 1960.


Yes, you are correct.




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