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Case Tractors Discussion Forum
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430 Case

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Dan Ginter

04-11-2004 13:21:47




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I have just purchased a very nice 430. The only problem that I have found is that the PTO does not disengage. Does anyone have any ideas as to possible things to check? Most of my tractor knowledge is limited to Oliver and Cockshutt.




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PTOs

04-15-2004 00:10:23




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 Re: 430 Case in reply to Dan Ginter, 04-11-2004 13:21:47  
During the production of 430s, Case has offered..
a standard 540 pto - foot clutch only - worthless.
a constant (or live) pto - hand clutch needed - better - but still have to clutch it to put it in gear.
an independant pto - 1966 and after - no clutching at all - best.
a 1000 rpm pto option for the constant pto.
Case also offered the kid with....
a 4 speed transmission (standard equip).
a 4 speed with a high speed 4th gear (optional)
an 8 speed transmission (a new option in '66).
a dual range shuttle transmission (8 speeds forward/8 reverse)-only on standard tread models, not the gen. purpose line.
a 12 speed triple range transmission.
The 530s got all of the above with the addition of the optional Case-o-matic transmission which also had independent pto from day one by virtue of the mechanics of the thing. The independent pto was not an actual option for any other 430/530s until '66. The 630 was also offered with independent pto by way of the case-o-matic.
How about one more tidbit. Case offered the 630 with an 8 speed shuttle AND case-o-matic together !!!

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Roger (Mi)

04-12-2004 04:13:56




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 Re: 430 Case in reply to Dan Ginter, 04-11-2004 13:21:47  
Unless you have some half-breed 430, there is a small rod that engages or disengages the PTO behind the driver's seat. The foot clutch must be pushed down to engage or disengage the PTO. If the rod does nothing, the internal roll pin that positions the engagement gear is broken. Back the 430 up a steep grade so that the rear end oil goes to the front of the transmission. (Of course, you could just drain the rear end oil and forget about the hill.) Remove the bolts holding the PTO housing on to the tractor, and pull the PTO assembly out. Replace the roll pin and reassemble. Good luck.

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JRT

04-12-2004 21:10:54




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 Re: Re: 430 Case in reply to Roger (Mi), 04-12-2004 04:13:56  
There were two kinds of pto's on the 430 and neither one was a half breed. He is talking about the type p t o that ran on clutches rather than the gear type you are referring to. All the early clutch type p t o set ups had problems disengaging but usually it was not a real problem. The pto would turn constantly on off position unless there was a pto implement connected and then it would not turn unless the clutches were too tight. They could be easily adjusted.

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Roger (Mi)

04-13-2004 04:17:51




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 Re: Re: Re: 430 Case in reply to JRT, 04-12-2004 21:10:54  
Yes, there were two different PTO options on 430's. Option #1) The PTO could only be engaged by pushing on the foot clutch and pulling up on the PTO engagement rod, but there was NO way to stop forward motion. Option #2) The PTO was engaged as mentioned in option #1, but a hand clutch on the left side of the tractor could be pulled back to stop the forward motion. THAT'S IT!!!
A truly independent PTO was NOT available until the 470's were built. A truly independent PTO was only available on Case-o-matic tractors. (NO 430 Case-o-matic tractors were built.) The 730 through 1030 tractors all had truly independent PTO's, and they all had the problem that you described. (PTO continues to turn while disengaged.) If any 430 has a truly independent PTO, it DIDN'T come that way from the factory! It's a half breed! I'm a former Case mechanic.

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wade

04-13-2004 07:36:16




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 Re: Re: Re: Re: 430 Case in reply to Roger (Mi), 04-13-2004 04:17:51  
well, Mr. former case mechanic I have a 430 that is original that has an independent pto in it and i have had it all apart before. I even have a parts sheet from West Michigan Power and Equipment and it say right on the top of it Case 430-530 series draft-o-matic tractors. sorry to dissappoint you.



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Roger (Mi)

04-14-2004 04:57:07




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 Re: Re: Re: Re: Re: 430 Case in reply to wade, 04-13-2004 07:36:16  
Wade,
Perhaps you're confused by the term "independent" PTO. Pulling a lever back on the side of the tractor to stop forward motion does NOT make it an independent PTO. As mentioned before, only Case tractors with Case-o-matics (under the size of 730's) had truly independent PTO's. The PTO shaft on Case-o-matic drives went through the torque converter drive and splined into the flywheel. If you really have a 430 with a standard transmission, and you split it between the motor and torque tube, there are ONLY two splined shafts in there. The outer splined shaft drives the hydraulic pump only, and it's splined into the pressure plate. That only leaves one shaft left to drive both the transmission and the PTO, and that�s splined into the clutch disk. It doesn�t take a rocket scientist to figure out what�s going to happen when the foot clutch is pushed down. Since you�ve had your 430 apart with its �independent� PTO, perhaps you can describe its internal parts and how they work?

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wade

04-14-2004 05:06:29




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 Re: Re: Re: Re: Re: Re: 430 Case in reply to Roger (Mi), 04-14-2004 04:57:07  
Ok, if you can engage or disengage your pto without any forward or reverse motion of your tractor isnt that and independent pto? The pto does not stop when the cluth is pushed in.



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Roger (Mi)

04-17-2004 04:55:57




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 Re: Re: Re: Re: Re: Re: Re: 430 Case in reply to wade, 04-14-2004 05:06:29  
Wade,
What you're describing is an "independent" PTO. The 430's made during the early and mid-60's did NOT have independent PTO's. I own one. The 470 models did. Were some late 430's with independent PTO's made just before the introduction of the 470's. What year is your 430?



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wade

04-19-2004 03:52:28




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 Re: Re: Re: Re: Re: Re: Re: Re: 430 Case in reply to Roger (Mi), 04-17-2004 04:55:57  
I am not really sure what year it is, im thinking 63 but not positive.



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dctom

04-11-2004 17:16:14




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 Re: 430 Case in reply to Dan Ginter, 04-11-2004 13:21:47  
DAN, NO BREAK ON PTO ON THE 430, IT WILL STOP UNDERLOAD WHEN DISENGAGED BUT WILL RUN ALL THE TIME WITH NOTHING ON IT



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