Noise from clutch area in 420

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H Barnes
40C crawler
40C crawler
Posts: 11
Joined: Fri Mar 18, 2011 6:56 pm
Location: North central Illinois

Noise from clutch area in 420

Post by H Barnes » Tue Apr 24, 2018 9:13 am

I started up my 420 for the first time this year and I am hearing a rumbling noise coming from near the clutch. I hear it whether the clutch is depressed or not and when in or out of gear. I checked the clutch free-travel and it is correct. I was thinking it could be the pilot bearing or the throw-out bearing but am stymied since the noise is continuous. I had the starter out to be checked and reinstalled it prior to starting. Nothing else has been changed since last fall.
1957 420c, 5 speed, reverser

dtoots1
2010 crawler
2010 crawler
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Location: akron, ohio

Re: Noise from clutch area in 420

Post by dtoots1 » Tue Apr 24, 2018 9:39 am

could it possibly be critters pack ratting in your clutch housing? i found walnut in closed radiator. they get in where you wouldn't believe possible

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H Barnes
40C crawler
40C crawler
Posts: 11
Joined: Fri Mar 18, 2011 6:56 pm
Location: North central Illinois

Re: Noise from clutch area in 420

Post by H Barnes » Tue Apr 24, 2018 11:40 am

It was stored inside my shop but I will check.
1957 420c, 5 speed, reverser

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Stan Disbrow
350 crawler
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Location: Raleigh, NC

Re: Noise from clutch area in 420

Post by Stan Disbrow » Tue Apr 24, 2018 12:41 pm

Hi,

You had the starter out? So, a big hole for a mouse, chipmunk or even a squirrel. Yeah.

This spring, I had a big old black snake living in the belly pan on my 420c. See, there was this odd hissing sound when I checked the oil prior to starting it up. Now, I am used to hearing things on running equipment, but not before it gets started! Danged thing would not leave even after I cranked it up. I didn't go far before it did decide to leave, and go right under the left track. Score: crawler = 1, snake = 0.

Stan
There's No Such Thing As A Cheap Crawler!

Have: '58 JD 420c 5-roller w/62 inside manual blade
Have: '78 JD350C w/6310 outside manual blade
Useta Have: '68 JD350, '51 Terratrac GT-25
Also Have: 1950 M, 2005 x495, 2008 5103 (now known as 5045D)

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H Barnes
40C crawler
40C crawler
Posts: 11
Joined: Fri Mar 18, 2011 6:56 pm
Location: North central Illinois

Re: Noise from clutch area in 420

Post by H Barnes » Tue Apr 24, 2018 1:09 pm

it's good that it did not go up your pant leg. The cold side of my shop is tight to all but mice but you never know. I will check it out tonight.
1957 420c, 5 speed, reverser

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