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CA shifting |
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Zinan
Bronze Level Joined: 22 Jan 2020 Location: tn Points: 44 |
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Posted: 02 Oct 2020 at 8:58am |
i know ive been posting allot of questions recently, but i just wanna get this darn tractor working like it should, anyways, can you shift a CA on the fly? I.E double clutching?
i have done it before, but single clutching (Clutch in, try to ease into next gear and let clutch out to bring input up to the same speed as the output shaft, it works... sometimes)
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cpg
Silver Level Joined: 10 Jul 2015 Location: Michigan Points: 246 |
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Pretty much any of the old tractors you can double clutch if you get good enough but with top gear being 11 mph there just isn't much point to it and it's hard to get enough momentum to even have time to justify double clutching.
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Zinan
Bronze Level Joined: 22 Jan 2020 Location: tn Points: 44 |
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yeah, i just want to be able to go from 3rd to 4th, because i have to slip the clutch for seemingly an eternity even at idle to get it up to speed without stalling, and thats down a mild slope, up hill or towing, it aint happening
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PaulB
Orange Level Joined: 12 Sep 2009 Location: Rocky Ridge Md Points: 4670 |
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Grinding gears (operator abuse) is why many of these old tractors jump out of gear
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits. If you can't make it GO... make it SHINY |
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Zinan
Bronze Level Joined: 22 Jan 2020 Location: tn Points: 44 |
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and thats why i try to avoid it, especially as its my dads tractor, and as the operator who will i blame for breaking it? Dad: Why is the tractor jumping out of gear? Me: Well you see uhhhh there was a gopher attacking me, and uhhhhh it broke it! as you can see, it wouldnt work
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RMD
Silver Level Joined: 07 Oct 2009 Location: Connecticut Points: 300 |
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I've got experience with CAs as a kid and with D12s these days. Much of the time you have to double clutch to get them in gear when they are standing still.
Normally you can shift from 3rd to 4th on the go if there isn't much strain on the drive train. Sometimes, moving along on a slight downgrade with no strain on the drive train I've been able to shift form 2nd to 3rd without clutching.
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Zinan
Bronze Level Joined: 22 Jan 2020 Location: tn Points: 44 |
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i have made the mistake of forgetting the shift pattern and going from 1st to 4th, little surprise if your not ready
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4598 |
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You can do it for a while. If you keep doing it, you will soon have trouble keeping it in gear and then your wallet will get considerably thinner.
These old tractor transmissions are not synchronized and not designed to shift while moving.
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CTuckerNWIL
Orange Level Joined: 11 Sep 2009 Location: NW Illinois Points: 22818 |
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If you can't take off in 4th gear on level ground without slipping the clutch a lot, better figure out what is wrong with the engine. Shifting on the fly with any letter series Allis will cost you dearly , eventually. Before the tooth rounder on the splines of the gears, and in the shifting collar goes all the way to the depth of the spline, you will be taking the whole rear end apart to replace both.
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http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
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