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 Murraymountain's Mountain Murray

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Murraymountain
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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeMon May 18, 2020 3:26 pm

OK, I think I can put some #420 chain to replace it. A little heavier duty. But now I have another problem.... This trans could be nothing more than parts... #1, it's missing one axle bearing and that one leaked, so chances are the other one leaks as well. #2, the shift keys are rounded off (some worse than others, but they are all rounded to some degree). And #3, 80% of the gears are gouged pretty badly... Here are the shift keys...

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So yeah, I'll have to get new shift keys. But here is my main concern...

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If you look hard enough you can see what I'm talking about (You shouldn't have to look hard to notice, but still). If you run your fingernail across it, it catches on just about everything. I'm assuming this trans has lots of hours on it. So this is where I need your input... Will the gears being in this condition hurt the way it runs? I would expect that it could junk itself a lot faster than one that didn't have gears like this. Do you guys think this trans is worth running or not?
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prancstaman
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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeMon May 18, 2020 9:58 pm

The gears are fine. Looks like machine marks from when the gears were made. The sides really don't matter because they are keyed to the shafts one way or another and really don't rub up against each other like you are thinking. As long as the lube is clean then you should be good. You can probably save the shift keys by grinding the one side that is worn to where it is flat. And do that to all 4 shift keys to where they are the same thickness, so when the keys engage into the notches then all four keys are up against the sides evenly.
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RichieRichOverdrive
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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeMon May 18, 2020 10:17 pm

Keys are also available new on ebay.

If you're talking about outer axle bearings, you're looking for part no 1641RS, they're fairly common and cheap.

Gears look fine, so long as there's no broken teeth they'll work.
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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeTue May 19, 2020 2:59 pm

@prancstaman wrote:
The gears are fine. Looks like machine marks from when the gears were made. The sides really don't matter because they are keyed to the shafts one way or another and really don't rub up against each other like you are thinking. As long as the lube is clean then you should be good. You can probably save the shift keys by grinding the one side that is worn to where it is flat. And do that to all 4 shift keys to where they are the same thickness, so when the keys engage into the notches then all four keys are up against the sides evenly.


They are without a doubt not machine marks. I know what you're talking about and they are definitely not what I normally see on gears. Not sure about the lube, it was Bentonite grease up until about a week ago. Something definitely has been chewing them up for sure. You'd need to see it in person to understand how bad it is. If it was going to stay stock then I wouldn't care much, but when these gears are pushing the tractor at a minimum of a 40 MPH, I'm not so sure how they'd hold up... Still on the fence about using this trans.

The shift key thing might work. How do you think they'd hold up to 40 MPH?



@RichieRichOverdrive wrote:
Keys are also available new on ebay.

If you're talking about outer axle bearings, you're looking for part no 1641RS, they're fairly common and cheap.

Gears look fine, so long as there's no broken teeth they'll work.



Yeah I was looking for those bearings. If I use this trans then I'll get me some.

No, no broken teeth, but they are damaged slightly. It looks like someone took a knife and beat the top of the teeth with it. My most mainest concern is the 40 MPH minimum though. If these gears aren't gonna get in the way of achieving that speed, then I'll run this trans. If they are, then I'll part it out.
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Murraymountain
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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeSun Jun 07, 2020 9:41 am

Okay, been doing thinking, I'll disclose those plans later on if it's what I want to do though. But for now, the 820 will not be used. I'm gonna put it all back together and use it for a stock mower.


In the meantime, it decided to give me belt issues on Friday and I ended up getting a bigger belt, adjusting the clutch, replacing a pulley, bending belt guides, all the good stuff. There's a reason I flip it over when I'm gonna work on the underside for a little while. After I got that all sorted, I thrashed it around to make sure it wasn't gonna break today. Right when I was about to park it and load it on the trailer, TONS (literally tons) of smoke started pouring out from under the dash. I am thoroughly convinced that there was a fire. And it was right under the gas tank (exactly why Ole Blue's tank got moved to the back). Anyway, I now do not have ambers, headlights, side markers, or a horn. Anyway, I have no idea when I'll get it fixed. It blew up 2 switches and literally blew the insulation off the wires like lightning does to the bark of a tree.


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Here's the main damage...

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Anyway, I honestly don't care right now. All I wanted was to actually get it to stay in operating condition since the tractors are headed off the property for the first time...


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We're headed to Rockcrusher!


Last edited by Murraymountain on Sat Jun 20, 2020 9:42 pm; edited 1 time in total
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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeMon Jun 08, 2020 6:19 pm

Alrighty, we are back. Trail 1 was the easiest (which is the only one I went on) and it was BRUTAL. The GT6000 blew the gearbox when it was only 5 minutes in. The stamped frame is actually intact, and the MM made it through the entire 40min trail. I then did jumps with it, and then I took it on the motorcross track. I made it maybe a quarter before I hit a hard bump and the already impaired front end just gave out. So the front end has to be replaced.

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Don't have any pics of when it broke, but here's the aftermath...

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I am proud of this damage!

Anyway, I am planning fixing the electricals and hope to make them safer, I have to cut the engine plate and front axle mounting plate off because it's welded. I will be stealing the death trap's engine plate and front mount and the death trap will hopefully be getting this one................ Think about that when it hits a 30ft jump...

I already pulled the needed parts off the death trap.

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And here's a video from just after the electrical fire and the aftermath of Rockcrusher...



The MM will get it's revenge!
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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeTue Jun 09, 2020 8:30 pm

Okay, 2 cutting wheels for the grinder and a bunch of time cutting through the welds later, the engine plate and front end mount has been replaced... I actually put the bad one on the death trap and beat the living crap out of it with the sledge hammer... It is now somewhat straight... Still super crappy... but it don't matter since it's on the death trap. Anyway, she's a full roller again!

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Gonna drop 'er at the fab shop tomorrow so they can weld the plates back on. After that I'll fix the wiring, put the tank back in, and pop the motor back on and hit the trails again!

But anyway, there is very little left to do on Ole Blue's motor, so as soon as I finish that motor, the Kohler build starts... I started sorting and cleaning parts today...

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Hopefully it won't be at the fab shop too long so I can get back on the trails soon.
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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeSat Jun 20, 2020 9:39 pm

Built a transmission work station today!

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It's about 6 foot long and it somehow is big enough to do 2 transmissions at once. But anyway, the reason the 820 is up on the bench is because it will not be used in this thing let alone any offroad mower. It's just way too rough. So it's documentary will be continued in the Lawn Tractor Repair thread. I'm going to just slap it back together so that it works like it should and stick it in the parts pile as a spare.

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Still waiting on the fab shop for the frame. As soon as I get it back together I'm just gonna send it in 5th gear up the best jump I can find! But I may put a tie rod on it this time. I don't expect anything to fail now, but just because, I'll probably just try and throw one on anyway.
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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeTue Jun 30, 2020 10:54 pm

Okay, got it back finally. For the last time too. I got ripped off today. $75 for $20 worth of work. I guess it's time to order the Lincoln Tombstone er somethin. Anyway, now that we know the MM's days at the fab shop are over, lets get in to what's going on with the machine. I pulled all the wiring since it pretty much is ruined from the fire. Some stuff is reusable and some isn't. Anyway...

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This little piggy had a seizure...

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Nice and empty...

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Anyway, now that the Briggs build is finished up, it's time to start on the Kohler! AKA, money pit.

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The most professional majestic $75 welds on the face of the earth.

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At least there's no jump in all the world that could break those welds.

Anyway, I think she'll be back up and about around Saturday!

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And here's the same update in the form of a video....

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Murraymountain
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Murraymountain

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PostSubject: Re: Murraymountain's Mountain Murray   murray - Murraymountain's Mountain Murray - Page 5 Icon_minitimeThu Jul 02, 2020 11:00 am

Got it all tied back together... Used 11 zip ties to keep it all from becoming a rat nest. It's decently clean compared to what it was before...

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Everything works except for the headlight. It needs a new toggle switch. Anyway, after really messing around with the hood latch, it finally latches right. SHE'S BACK IN THE GAME BOYS....

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The steering is much MUCH more responsive. If you just touch the steering wheel it goes whichever way you turned it reeaal fast. SUPER responsive!
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