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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Pro-Drive prop shaft
so this weekend, I was running in deep water with no logs, lillies, etc, but my Pro-Drive prop shaft sheared off at the jam nut coming out of the lower unit, and the prop and shaft went flying. Will this be warrantied by PD or not? It looks as if this could be a factory defect being that i haven't really been too rough on it and it only has 36 hours on it.IMG_1635.JPG
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_________________ 36hp PD gen3, 18x48 x-series
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Sun Oct 18, 2015 7:41 pm |
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wade_660
MMT Addict
Joined: Mon Mar 21, 2011 7:56 pm Posts: 523
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Re: Pro-Drive prop shaft
Welcome to the club. It should be warrantied as long as it's not over a year old.
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Mon Oct 19, 2015 7:07 am |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
have you seen or heard of this happening before?
_________________ 36hp PD gen3, 18x48 x-series
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Mon Oct 19, 2015 7:13 am |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
have you seen or heard of this happening before?
_________________ 36hp PD gen3, 18x48 x-series
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Mon Oct 19, 2015 7:13 am |
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fredbear012
MMT Pro Member
Joined: Fri Oct 15, 2010 7:56 am Posts: 99
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Re: Pro-Drive prop shaft
Happened to me at 42 hrs I believe it was, yes they warranty it.
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Mon Oct 19, 2015 7:25 am |
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teammarshmafia
MMT Pro Member
Joined: Tue May 14, 2013 2:18 pm Posts: 478 Location: southeast, Louisiana
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Re: Pro-Drive prop shaft
Just happened to me also 2 weeks ago
_________________ Gen III Pro Drive with a JBP stage 2 pushin 18x54 madmancustom Jus nut up and grab a handful of throttle
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Mon Oct 19, 2015 9:16 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm Posts: 5605 Location: D'town, LA
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Re: Pro-Drive prop shaft
Beach marks in the second picture show it started from something on the shaft exterior...@ 12:00. A notch, cut, groove....some sort of stress riser. It is a fatigue failure....even at 30 some-odd hours. Think about how many revolutions that shaft spins in an hour. Each spin is a fatigue cycle. This failure happened over a very short period of time. Beach marks are too far apart to be something over a long duration.
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Mon Oct 19, 2015 9:59 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm Posts: 5605 Location: D'town, LA
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Re: Pro-Drive prop shaft
What year is that LU?
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Mon Oct 19, 2015 10:00 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm Posts: 5605 Location: D'town, LA
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Re: Pro-Drive prop shaft
Just saw in your sig file it's a Gen III LU...prolly one of the earlier tapered shafts. They have been a problem.
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Mon Oct 19, 2015 10:03 am |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
brand new, got it the first week of August
_________________ 36hp PD gen3, 18x48 x-series
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Mon Oct 19, 2015 10:43 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm Posts: 5605 Location: D'town, LA
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Re: Pro-Drive prop shaft
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Mon Oct 19, 2015 1:03 pm |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
Through H&H marine in Houma, but i called prodrive and I gotta bring it to them tomorrow
_________________ 36hp PD gen3, 18x48 x-series
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Mon Oct 19, 2015 1:06 pm |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm Posts: 5605 Location: D'town, LA
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Re: Pro-Drive prop shaft
Could have been an older model Gen III that H&H had on their floor. The newer model Gen III's have a slightly different design which was supposed to mitigate the stress riser created with the original Gen III shaft. You should see about getting the Gen IV LU installed. [THUMBS UP SIGN]
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Mon Oct 19, 2015 2:08 pm |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
whats different about the gen IV's?
_________________ 36hp PD gen3, 18x48 x-series
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Mon Oct 19, 2015 2:23 pm |
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T-Bubba
MMT 1000 Club
Joined: Wed Feb 18, 2009 6:43 pm Posts: 3958 Location: Centerville, La
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Re: Pro-Drive prop shaft
Gen 4 is a 1.52:1 ratio
_________________ I gave up mud motors
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Mon Oct 19, 2015 4:17 pm |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
Brought it to them yesterday and they said they'll have it back today or tomorrow. Gotta love their service!
_________________ 36hp PD gen3, 18x48 x-series
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Wed Oct 21, 2015 6:53 am |
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craig
MMT Elite Member
Joined: Tue Jan 13, 2009 7:53 pm Posts: 7515 Location: Chauvin
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Re: Pro-Drive prop shaft
_________________ 1750 GatorTail Extreme/Stage 3 37 GTR HD Procrastination is a lot like masturbation. Sure it sounds great at the time but, in the end your only f--k--g yourself.
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Wed Oct 21, 2015 8:09 am |
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aaucoin6
MMT Member
Joined: Mon Sep 21, 2015 9:35 am Posts: 11
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Re: Pro-Drive prop shaft
Hopefully it won't happen again, it sure ain't a good feeling to look back and see your prop and shaft is gone
_________________ 36hp PD gen3, 18x48 x-series
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Wed Oct 21, 2015 8:17 am |
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craig
MMT Elite Member
Joined: Tue Jan 13, 2009 7:53 pm Posts: 7515 Location: Chauvin
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Re: Pro-Drive prop shaft
_________________ 1750 GatorTail Extreme/Stage 3 37 GTR HD Procrastination is a lot like masturbation. Sure it sounds great at the time but, in the end your only f--k--g yourself.
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Wed Oct 21, 2015 8:35 am |
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fowl_
MMT Member
Joined: Fri Sep 29, 2017 5:22 pm Posts: 32
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Re: Pro-Drive prop shaft
Well, same thing happened to me last night. Roughly 55 hours on my 40hp. Clutch let go at 48 hours, so I thought it was that again when my rpms went sky high. Running clean open deep water down the river back to the boat ramp. Imagine my surprise when I looked back and saw my prop was gone. Guess there isnt a better replacement shaft available. Always kept up with greasing and whatnot. Is there anything to look for on a pre ride inspection or it just happens randomly?
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Sun Jul 14, 2019 8:44 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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Re: Pro-Drive prop shaft
_________________ Refurbishing a Prodrive
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Sun Jul 14, 2019 11:52 am |
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dead animal
MMT 1000 Club
Joined: Fri Jan 16, 2009 3:18 pm Posts: 1726
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Re: Pro-Drive prop shaft
well, it's been my experience that it never shears when u hit logs/stumps, pipes, whatever.... so hard it kills the motor. it always seems to fail when ur turning wfo in deep water. if u look at the shaft i'm sure u will see where it was partially sheared. and it probly had a 'differant' vibration to it after you hit something. it may take months for it to finish breaking, might go all at once. it's amazing we don't shear them more often when you use the motor as intended. I guess I've broke 3 or 4 shafts since 2003 or so. always seems to be with a new prop!!!
bring it to pd and they will fix it up.
the only thing indestructible is pussy, and that's already patented.
good luck !!!
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Sun Jul 14, 2019 6:22 pm |
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fowl_
MMT Member
Joined: Fri Sep 29, 2017 5:22 pm Posts: 32
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Re: Pro-Drive prop shaft
Thanks for the responses guys. I'd buy that logic, animal. When my clutch blew it was supposedly a bad batch too. Sure hoping bad things don't come in threes for this motor, but ive got an email out to KP anyway, so we will see what shakes out. Technically the rig is 2 weeks past the year warranty by the purchase date, but it's hung on a custom rig so was never mounted and run until September when the boat was finished.
fowl_
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Mon Jul 15, 2019 5:32 am |
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dead animal
MMT 1000 Club
Joined: Fri Jan 16, 2009 3:18 pm Posts: 1726
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Re: Pro-Drive prop shaft
keep us posted, i'm sure they will make it right. all of these mm co's have excellent customer service.
good luck!
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Sat Jul 20, 2019 7:58 pm |
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fowl_
MMT Member
Joined: Fri Sep 29, 2017 5:22 pm Posts: 32
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Re: Pro-Drive prop shaft
Thanks. KP warrantied everything but the prop since it likely had some wear (it did.) So I think that's a fair deal. Less than a week downtime, so I'm happy with the whole affair. Still gonna run it like it should be run and make sure to keep my trolling motor batteries charged up. It was a minor inconvenience, but a low price of admission all things considered.
fowl_
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Sat Jul 20, 2019 9:39 pm |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm Posts: 4534 Location: South Louisiana
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Re: Pro-Drive prop shaft
_________________ 17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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Sun Jul 21, 2019 10:25 am |
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dead animal
MMT 1000 Club
Joined: Fri Jan 16, 2009 3:18 pm Posts: 1726
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Re: Pro-Drive prop shaft
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Sun Jul 21, 2019 1:15 pm |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm Posts: 4534 Location: South Louisiana
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Re: Pro-Drive prop shaft
_________________ 17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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Sun Jul 21, 2019 11:39 pm |
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