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Case Tractors Discussion Forum

Power Shift Transmission

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02-06-2011 20:53:26

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Can anyone explain to me why so many guys bad mouth the Case power shift? They say it is hard to work on and very expensive to go through. BS!!I will admit that I was apprehensive to tear into my 870 when I lost all hyd. flow when in C1. The seals on the pistons were shot, and the C4 clutch disk was getting bad. I upgraded it to the newer style pistons, and put all new seals in. Spent a grand total of $484.00. A button clutch repair would cost that much! Very special thanks to Mel for all the advice, and Thad for the parts.

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02-07-2011 15:07:03

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 Re: Power Shift Transmission in reply to DKase, 02-06-2011 20:53:26  

Wait till you need to remove c-2&c3 clutch packs,you will have a different story.Especially if it is an early 870.C1&c4 is a walk in the park.


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02-07-2011 20:50:45

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 Re: Power Shift Transmission in reply to Marlin1, 02-07-2011 15:07:03  
I did. Put in all 4 pistons and seals. $30 each for the pistons, $85 for C4 clutch disk, and $200 for the seal kit with the valve gaskets. $22 for a new starter drive, $15 for a tube of sealer for the trans cover and bell housing + some small misc. stuff. Next time I will be able to do it in about 20% the time it took me the first time.

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smith tx

02-07-2011 13:38:34

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 Re: Power Shift Transmission in reply to DKase, 02-06-2011 20:53:26  
power shift was great and so was case-o matic !! the 2 worst was the trashional TA and the junk deer power sh!t. thats my story and i'm stickin to it !

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karl f

02-07-2011 19:01:48

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 Re: Power Shift Transmission in reply to smith tx, 02-07-2011 13:38:34  
As an IH guy, I should take offense to your TA position. However, I won't because I realize that soon after the TA's release, IH's drivetrain development was nearly stagnant for awhile. It seems once the TA was out, the marketing department ran the show too long. (holy pun city)

I've actually never driven anything with a multi gear powershift in my life. At 30 i'm way behind my peers and their parents! My wife's uncle has even newer stuff where the only control I recognize is the steering wheel and I hope they still have brake pedals :)

karl f

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John Saeli

02-07-2011 06:56:22

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 Re: Power Shift Transmission in reply to DKase, 02-06-2011 20:53:26  
The CASE RPS-34 Power Shift is like any woman, you have to get used to them. For the smoothest shifting, & long life, we shift them @ low RPM, then rev it up & leave the P/S there. The CASE engine has plenty of torque for the tough spots. Put a set of plows behind a RPS-34 & start shifting up & down all day, day after day, and problems will develop. Lets face it, the differences in speed, in the higher gears, is too much. Having said all that, the P/S in our 870 has never been touched, & she used to be the plowing tractor. Now she does all the haying & planting. Engine was majored once.

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02-07-2011 07:16:02

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 Re: Power Shift Transmission in reply to John Saeli, 02-07-2011 06:56:22  
they should have had a 6mph gear between 3/1 and 3/2, the 18spd. over/under setup in an Oliver or White is a nicer set up with alot better gear selection, if case had thought of it they would have had a winner with their engines ahead of it!

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02-07-2011 11:36:30

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 Re: Power Shift Transmission in reply to dboll, 02-07-2011 07:16:02  
They do have a 24 speed tranny. I can see where they would be much better and live much longer due to the smaller jumps in speed between shifts. Been trying to find one but their owners are reluctant to sell them for a decent price! Can't blame them I guess!

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02-07-2011 06:44:50

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 Re: Power Shift Transmission in reply to DKase, 02-06-2011 20:53:26  
Dkase, I told you they are not hard to work on! They can get expensive if you have to start buying hard parts like planetaries ect.

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Wisconsin Cowman

02-06-2011 21:15:59

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 Re: Power Shift Transmission in reply to DKase, 02-06-2011 20:53:26  
Case power shifts are not cheap to rebuild or fix. If you can"t do it yourself and have to take it to a dealer or someone who knows how to work on them you pay for labor and parts. Plus from working on them there is something else wrong sometimes when you start taking apart them. That you didnít know when testing pressures and such. Sometimes they can be a simple cheap fix or other times you better be ready to drop some money.

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02-07-2011 05:35:54

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 Re: Power Shift Transmission in reply to Wisconsin Cowman, 02-06-2011 21:15:59  
I love my powershift . But i have repaired three of them naver got it back together for anything less than 2000 $ and that is with me do all work . It sounds like you got lucky this time

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Jimmie D. Phelps

02-07-2011 21:16:38

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 Re: Power Shift Transmission in reply to michaelsp230, 02-07-2011 05:35:54  
Case enginers had no idea what speeds the average farmer uses in the field. even the 24 speed has few speeds you would use . I use just two speeds out of 12 that I have on my 2390. 5 mph and 6 mph . would like 5.5 that is for field work. even on pto its hard to get the right speed. at least at rated rpm oh yes I try never to shift up or down at rated rpm, always lower rpm's. The reason 2290's, 2390's and 2590's sell so cheap is because of the poor trans and final drive.

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Today's Featured Article - Massey Ferguson 35 (and up) Tractor Assembly Notes - by Jack Wetmore. These assembly notes are for Massey Ferguson tractors with a two stage clutch and 6 speed, 8 speed and mutli-power transmissions. I see a lot of discussion forum messages regarding damaged clutches from improper assembly. The objective is to have the engine and transmission slide together safely and easily until the gap between the two halves is less than 1/4", BEFORE tightening any of the bolts holding the two together. Using bolts to draw the two halves together will damage the PTO ... [Read Article]

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