With all the reported problems with leaking MFWD axles, wondering why the axles are not vented to relieve pressure?

2238 Views 5 Replies 5 Participants Last post by JakeT, Dec 23, 2021

allicatguy

Discussion Starter · Jul 5, 2021

My 4100 with 904 hours is at a dealer having the leaking front axle seals replaced. (I know the repair is fairly straight forward but 'm too old to mess with it myself anymore.) Anyway, it got me to thinking. These axles are gear boxes. Gear boxes are normally vented...why aren't these axles?

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AJgrn78

· #2 · Jul 5, 2021

Too lazy / cheap to install vents. My 40 year old LCUT has a vented front axle.

Or...a vent is seen as a liability to allow dirt / water into the axle?

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Treefarmer

· #3 · Jul 5, 2021

AJgrn78 said:
Too lazy / cheap to install vents. My 40 year old LCUT has a vented front axle.

Or...a vent is seen as a liability to allow dirt / water into the axle?

I think your first explanation is probably accurate although a dealer may say the second one.

I will say that I've had vents lock up, especially if they are on machinery that's outside. The rocker cap vent on my Busj Hog is bad about that.

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jermo

· #4 · Jul 6, 2021

I wonder how many of the leaking axles are cause by bad ballast advice from the dealers?

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Treefarmer

· #5 · Jul 6, 2021

jermo said:
I wonder how many of the leaking axles are cause by bad ballast advice from the dealers?

More likely it NO advice rather than bad advice.

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JakeT

· #6 · Dec 23, 2021

A solution is here.

VDS-JD-3 - BoltOnHooks LLC

Vented Dipstick Series VDS-JD-3 Fits many John Deere 3 and 4 series (and limited 2-series), see product description page for fitment charts.

www.boltonhooks.com

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VDS-JD-3 - BoltOnHooks LLC

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