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GL-1 vs. straight 140 wt. gear lub.

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Don c

12-11-2002 11:00:55




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what is the difference, can get the 140 but the gl-1 is hard to find. putting it in an early jd 60
any suggestions, thanks, Don c




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Clooney

12-11-2002 13:51:15




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 Re: GL-1 vs. straight 140 wt. gear lub. in reply to Don c, 12-11-2002 11:00:55  
Don, the 140 weight GL-1_140 weight is getting hard to come by, but is out there. [try your local bulk oil dealer]
~Depending on the tractor, [as Steve said] it might be a little thick for winter use. Not so bad in the letter series but if used in the live power numbered series might not flow in the 1st reduction area as fast as needed to keep up with what is leaving through the bearing oil scoop at the top. ~What I have been using is Chevron RPM series GL-1_140 from my local bulk oil dealer. There is also an ad in Gr$$n magazine [the for sale area] for GL-1_140. If you are looking for GL-1_90, Wal-Mart has it [at least in my area] in 5 gal pails for $19.00-20.00.
~To answer your question: "GL-1 vs. straight 140 wt. gear lube--what is the difference?". 140 is the viscosity rating of the gear oil & GL-1 is the additive package & oil base stock. GL-1 is a mineral based gear oil with few additives for extreme pressure. The base oil & additive package is different in GL-1 than the current GL-5, 6 & 7 that is available in the auto parts stores & discount houses. The big difference you will notice is the GL-1 is a little stickier & thicker than the current GL- 5, 6 & 7, with less EP additives in the GL-1. The benefit is a little quieter trans & less EP to possibly damage bronze parts. The GL-5, 6 & 7 is a little thinner for the same weight, doesn't stick to the gears as well, flows better when cold, handles water better than GL-1, & leaks out easier. The EP additive doesn't help much in a straight cut gear trans so there isn't much gain there.

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Don c

12-11-2002 13:27:10




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 Re: GL-1 vs. straight 140 wt. gear lub. in reply to Don c, 12-11-2002 11:00:55  
tractor probably won't have an hour put on it this winter. will be kept in garage, they also told me the oil is straight with no additives for cleaning or anything else. temp in garage doesn't go below 28 and most of the time its warmer, live in western pa.next to the most northern part of west virginia.



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Steve - IN

12-11-2002 13:04:46




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 Re: GL-1 vs. straight 140 wt. gear lub. in reply to Don c, 12-11-2002 11:00:55  
Don,
If it's cold where you are, and you're going to use your 60 - I'd shy off the 140 for right now.

The higher GL ratings have more additives for pressure. Problem is, the additives don't help the copper and brass parts in your 60, so it's safer to go with GL-1.

If you have a Car Quest close, they have a fairly cheap Warein or Warron house brand GL-1 lube in 90 wt. that should get you through the winter and give you time to find some better quality, heavier stuff for the summer.

Steve

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