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Ford 9N, 2N & 8N Discussion Forum

O/T GL4 or GL5

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9N again

03-28-2008 13:39:49

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Howdy Y'all
You all seem to know somthing about everything so I will ask. I have a troy built roto tiller and they say for the gear oil to only use GL4 140 or 85w-140, i cant find GL4 anywhere but i can find GL5. Will this work. Any ideas.
Thanks

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Bob

03-29-2008 05:55:36

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Re: O/T GL4 or GL5 in reply to 9N again, 03-28-2008 13:39:49

Tillers typically use a "worm gear" drive. Often, the wheel that it wears against is BRASS.

The severe-duty additive that makes GL-5 what it is is typically BAD for brass.

I WOULDN'T take the chance of using GL-5.

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Dunk

03-28-2008 16:45:06

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Re: O/T GL4 or GL5 in reply to Pain..John,PA, 03-28-2008 13:39:49

GB in MT. said: (quoted from post at 20:01:24 03/28/08)

Yes Dunk, BUT..... .I always knew you were smarter than the average MONKEY>!!!!! !!!!!

Gary :lol:

When I got mine, I tool it all to pieces, it had a lot of wear on it.

The shaft bearings that the worm shaft rides in had a lot of play in them.

They were destroying the brass gear on the tines.

I grinded down a big washer to make a shim, and tightened them up, it still works fine, years later.

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GB in MT.

03-28-2008 16:51:14

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Re: O/T GL4 or GL5 in reply to Dunk, 03-28-2008 16:45:06

When I got mine, I put gas in the tank!!!!! :shock:
LMAO

Gary :lol: :lol: :lol:

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Dunk

03-28-2008 15:55:52

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Re: O/T GL4 or GL5 in reply to Denny(NY), 03-28-2008 13:39:49

GB in MT. said: (quoted from post at 19:42:40 03/28/08)
9N again said: (quoted from post at 13:39:49 03/28/08) Howdy Y'all

You all seem to know somthing about everything so I will ask. I have a troy built roto tiller and they say for the gear oil to only use GL4 140 or 85w-140, i cant find GL4 anywhere but i can find GL5. Will this work. Any ideas.

Thanks

9N again;

Go to NAPA, look on the shelf for NAPA part# 75-210!!! Gear oil, SAE 80w-85w-90.

On the back of the bottle it states..... API services...GL-5, GL-4, GL-3

This was recommend to me by my local Troy-built parts Dealer, and I have used this in my Troy-built "HORSE" tiller for yrs.

Comes in 1 quart bottles, easy to use, and even has a plastic pour-spout top on it.!!!

HTH

Gary :)

That's what I have in mine, Gary.

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GB in MT.

03-28-2008 16:01:24

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Re: O/T GL4 or GL5 in reply to Dunk, 03-28-2008 15:55:52

Yes Dunk, BUT..... .I always knew you were smarter than the average MONKEY>!!!!! !!!!!

Gary :lol:

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GB in MT.

03-28-2008 15:42:40

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Re: O/T GL4 or GL5 in reply to 9N again, 03-28-2008 13:39:49

9N again said: (quoted from post at 13:39:49 03/28/08) Howdy Y'all

You all seem to know somthing about everything so I will ask. I have a troy built roto tiller and they say for the gear oil to only use GL4 140 or 85w-140, i cant find GL4 anywhere but i can find GL5. Will this work. Any ideas.

Thanks

9N again;

Go to NAPA, look on the shelf for NAPA part# 75-210!!! Gear oil, SAE 80w-85w-90.

On the back of the bottle it states..... API services...GL-5, GL-4, GL-3

This was recommend to me by my local Troy-built parts Dealer, and I have used this in my Troy-built "HORSE" tiller for yrs.

Comes in 1 quart bottles, easy to use, and even has a plastic pour-spout top on it.!!!

HTH

Gary :)

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TheOldHokie

03-28-2008 14:20:52

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You be the judge in reply to 9N again, 03-28-2008 13:39:49

You be the judge:
API Gear Oil Service Designations (PDF)

To summarize those 12 pages the central difference between GL4 and GL5 service designation is that GL4 designation indicates a lubricant has anti-wear additives suitable for use with spiral bevel and hypoid gearsets operating under mild to moderate loads and speeds. GL5 designation indicates a lubricant with additional additives for use with spiral bevel and/or hypoid gearing operatiing under severe loads and at high speeds.
What's in your Troybilt ;-)

TOH

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TheOldHokie

03-28-2008 14:27:52

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PS in reply to TheOldHokie, 03-28-2008 14:20:52

By the way that document is dated 1995 and notes that some test equipment needed to test for GL4 compliance is no longer available - perhaps why the designation is getting harder to find - manufacturer's are just skipping GL4 in favor of GL5.

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