Hyster H60XL:
Transmission

I have a Hyster H60xl, the transmission is separate from the main Hydraulic system. Trans oil comes out of fill tube when started, it seems to be loaded with air cause it is foamy. Problem just started, as forklift ran fine a few days ago. There does not appear to be a breather on the top of the trans, how can air enter the system?
  • Posted 14 Feb 2014 14:39
  • Discussion started by Larry
  • Colorado, United States
Showing items 1 - 6 of 6 results.
Afternoon everyone.
Regarding the hyster h60xl our transmission finally gave
Up it did the standard thing of no forward with only reverse.
I got the transmission back today and hopefully getting it back
In the next two days after replacing the friction discs.
Can anyone tell me what grade atf oil I should be using and
The quantity.
Also the quantity of the diff oil would be nice.
Thanks
  • Posted 10 Apr 2018 15:32
  • Reply by Rodeorunch
  • North island, New Zealand
you mentioned earlier about bubbles of oil (foamy) coming out of the dip stick (fill tube)

after doing some checking i noticed in the maintenance section of the service manual where they give the oil specs for the different systems. It does not specify an oil type for the yransmission, all it has is a hyster part number 336831.

now i'm going to make an assumption that hyster wants this specific oil in this transmission, if you put anything other than that in there it could be part of the problem.

The reason i question this is because some oils they recommend or insist on using have certain properties such as low sudzing agents or a specific type of synthetic agent to help the components last longer due to clearances etc.
I suspect this oil they recommend is a low sudzing type oil that will not bubble up during circulation back into the case.

It's just a thought i had because of an issue i had like this with a yale truck a few years ago....
We thought using an aftermarket brand of oil that was supposed to have the same properties as thier recommended oil would work but it did not. We wound up having to use thier oil they listed.

If this is the case with your situation i would try that first if you did not use hyster recommended oil by that part number.
If you did then just ignore what i just said and pull the tranny ;o)

good luck
  • Posted 21 Feb 2014 02:23
  • Modified 21 Feb 2014 02:24 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
Well we changed the oil and filter, no difference, it puked the oil right out the fill tube. There is no vent on the top of the transmission, which still baffles me. It appears the high pressure oil is spraying somewhere it should not, or input shaft seal on the pump is out, either way the tranny and motor come out, thanks
  • Posted 21 Feb 2014 01:09
  • Reply by Larry
  • Colorado, United States
Thanks, we will change out filter and oil and see where were are then.
  • Posted 15 Feb 2014 08:25
  • Reply by Larry
  • Colorado, United States
Hi Larry I've seen this happen lots of times on these trucks and its normally an easy fix. 2 things to check.
First make sure you check the oil level with the transmission at operating temp and the engine running

1 look for a small breather pipe from the top of the transmission that goes to the transmission filler about 2 inches below the dipstick these are prone to blocking and if it blocks oil will push up out of the filler tube.
2. If the breather pipe isn't there change the oil and filter I've seen blocked filters cause this problem as well fairly regularly

Finaly make sure you useJD40 (tractran 9) and not regular ATF (Dexron 2) the recommend change for the oil and filter by Hyster is 2000hrs or every 12 months I worked on them for 19 yrs and would stick to this
  • Posted 15 Feb 2014 06:16
  • Reply by lifter01
  • West Yorkshire, United Kingdom
has to have a pump on it, usually located where the torque converter input is. Probably a bad seal causing it to pull air.
transmission will have to be separated from the engine and the torque converter removed to get to it to change out the seal.

Also in the troubleshooting manual for the transmission there is a section about bubbles in the fill tube.
it says:
- Air leak on the suction side of the oil pump
- Oil level not correct (over full)
- Oil too hot
- Problem in the torque converter

so any side on the suction side of the system can be pulling in air causing the bubbles or being over full or getting too hot.
  • Posted 14 Feb 2014 23:20
  • Modified 14 Feb 2014 23:29 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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