my manual talks about 50wt oil for tranny and diff. is 15/40 fine or what may be correct? i pressume both take the sam oil. thanks for any info.
 
Expect a lot of different opinions on this
subject...

Here's my take.

The 50w engine oil is the equivalent to 90w gear
oil. This gives good wear protection, especially
if you're working the drive train hard in warm
weather. Since the manual was written there have
been improvements in additives. The GL4 90w gear
oil is a popular one, has EP additives, better
wear protection than engine oil.

The down side to using the heavy oil is slow lift
performance in cold weather. If you're in a warm
climate or don't use the tractor in cold weather,
the heavy oil is fine.

For cold weather use, many like 10w30 motor oil.
Your choice of 15w40 would be close enough. There
is also a Universal Tractor oil at Tractor Supply
that is in the same range.

So, a lot depends on how the tractor is used, the
temperature range, and your personal preference. I
don't think what you choose is as important as
keeping it clean and dry. These are notorious for
collecting water. It gets in around the shifter
boots, the rear top link boot, and condensation.
And, there is no hydraulic filter, so whatever is
in the transmission gets run through the hydraulic
system too!
 
(quoted from post at 04:10:32 05/23/14) Expect a lot of different opinions on this
subject...

Here's my take.

The 50w engine oil is the equivalent to 90w gear
oil. This gives good wear protection, especially
if you're working the drive train hard in warm
weather. Since the manual was written there have
been improvements in additives. The GL4 90w gear
oil is a popular one, has EP additives, better
wear protection than engine oil.

The down side to using the heavy oil is slow lift thank-you
performance in cold weather. If you're in a warm
climate or don't use the tractor in cold weather,
the heavy oil is fine.

For cold weather use, many like 10w30 motor oil.
Your choice of 15w40 would be close enough. There
is also a Universal Tractor oil at Tractor Supply
that is in the same range.

So, a lot depends on how the tractor is used, the
temperature range, and your personal preference. I
don't think what you choose is as important as
keeping it clean and dry. These are notorious for
collecting water. It gets in around the shifter
boots, the rear top link boot, and condensation.
And, there is no hydraulic filter, so whatever is
in the transmission gets run through the hydraulic
system too!
 

My TO-35 [b:70328b5f74]did[/b:70328b5f74] have a suction filter/strainer on the inlet of the pump. Doesn't do much other than make sure no big trash get pulled into the pump. The way I see it the only way to change or clean that filter is to lift the cover. A person may be able to access it if you were to pull the left access cover and lever.
 
Yes, those pumps have been changed several times, have to do a serial # search to see which one is supposed to be in there. Think mine is a 59 or 60 model. It didn't have any screen, didn't see any place for one, wish it did.
 
(quoted from post at 23:17:43 05/23/14) Yes, those pumps have been changed several times, have to do a serial # search to see which one is supposed to be in there. Think mine is a 59 or 60 model. It didn't have any screen, didn't see any place for one, wish it did.
am i correct in assuming both the trans and rear axle use the same oil? in cleaning out the sump containing the pump i have not noticed a common transfer port.
 
Yes, it's all the same gearcase. It will hold about
8 gallons, but pour it in slowly. It takes a while
to level out betwene the transmission and and rear
housing. Don't want to fill the transmission too
fast, if the front seal is bad, it will dump oil on
the clutch!
 

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