303 oil

I have used the 303 oil in hydraulics and tranny of D-17 series 1, WD45 & 7030.  Also in a AC 6140.Members of this site do not reccommend the 303 oil. What is wrong with the 303 oils? We do not use the tractors for farming. Mainly for brush hogging & sno plowing.

303 prolly ok for the '45 and '17, I would NOT use in the 7030 and 6140, there are additives, different refinements in the oil for the later tractors, use a 821 spec oil in the 7030 and 6140, prolly will save some hydraulic/trans/rear end/PD/wet brakes serious problems...

yea Dr.,, I remember,,and it was made from sperm whales , even JD has upgraded their recommendations...

Here's what I use in the One Hundred Series,, seems to work great!

Edited by DougG - 02 Apr 2020 at 8:08pm

Grrr the pic didnt go through,, its Extreme Pure Flo,, yellow bucket , good stuff

Edited by DougG - 02 Apr 2020 at 8:26pm

Hey, I like that bucket! Never seen one with a handle on the bottom.

Gary Burnett wrote: DiyDave wrote: https://www.cenex.com/about/cenex-information/cenexperts-blog-page/agriculture-and-farming/buyer-beware-exposing-the-truth-behind-thf-303 Yea I wouldn't use that 303 stuff from TSC to oil a chain with much less use it in a hydraulic system.Its very cheap for a reason.

Edited by FREEDGUY - 03 Apr 2020 at 6:22pm

I was using 303 in most of my stuff then read somewhere, perhaps here or another tractor site that is wasn't to be used on machinery built after 1974.  I think it is 20 wt oil, it says right on the 303 bucket that is shouldn't be used in machinery built after '74. The premium oil TSC sells for around $40. for 5 gallons is 10/30 and is good for all the current machinery.  I've got a couple buckets of 303 in the shed which will probably be used in the older tractors, such as most of my AC's

FREEDGUY wrote: What's your "engineering/mechanical" PROOF of why it's cheap for a reason ?? What kind of chain are you talking about BTW  ?? We've been running the "yellow" bucket for 20 + years with NO ill effects ??

 Did you read ANY of the article?
What’s really inside THF 303
So, what actually goes into THF 303? The honest answer is anything and everything. Because there’s no independent party verifying the content of THF 303s, the sky’s the limit for what types of fluids these products can contain. And that’s a major problem. 

Often, THF 303 contains high levels of a fluid called flush oil. What is flush oil? On any given day, a lubricants production line may create many different fluids. To prevent cross-contamination between products, the entire production line is flushed with an inexpensive oil between production cycles, removing any residue from the line. 

The problem with flush oil
While flush oil plays an important role inside a lubricants production facility, it was never meant to be used by consumers. Its job is to collect leftover fluids, so once it’s been used, it becomes a stew of any number of chemical elements that were never intended to be combined.

Maintaining a tractor’s hydraulic system depends on a finely tuned balance of precise ingredients. But because flush oil doesn’t follow a recipe, there’s no way to control its chemical makeup or its blend of additives, meaning there’s no way it can truly protect your equipment.

Time is running out for THF 303 manufacturers
Recently, states have begun cracking down on THF 303 manufacturers. In multiple cases, government regulators found that THF 303s fail to meet their claimed specifications. What’s more, these regulators have found that THF 303s are so underperforming that equipment damage is likely to result from use.

Because of their fraudulent claims, the sale of THF 303s has been banned in several states. As the truth about these defective products continues coming to light, many industry experts agree it’s only a matter of time before THF 303s are banned nationwide.

I've just quit cheaping out and buy Hytran. Yes it's expensive but you know what you're getting every single time.

FREEDGUY wrote: No, I never read any of the above "propaganda". Let me guess, you don't use Wal Mart  oil either??

 I haven't used Walmart oil, because I have enough Farm and Fleet oil here to last me a decade.
 There is no "propaganda" in that report. Just the facts about where the flushed oil goes, and what might be in it. As long as 'they' can sell their uncontrolled waste oil, they will sell it, solvents and all.

FREEDGUY wrote: Gary Burnett wrote: DiyDave wrote: https://www.cenex.com/about/cenex-information/cenexperts-blog-page/agriculture-and-farming/buyer-beware-exposing-the-truth-behind-thf-303 Yea I wouldn't use that 303 stuff from TSC to oil a chain with much less use it in a hydraulic system.Its very cheap for a reason. What's your "engineering/mechanical" PROOF of why it's cheap for a reason ?? What kind of chain are you talking about BTW  ?? We've been running the "yellow" bucket for 20 + years with NO ill effects ??

used in my tractors but was told no longer made as of aug of 18