Cub Cadet hydrogear transaxle

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  #1  
Old 07-10-16, 06:03 AM
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Cub Cadet hydrogear transaxle

I have a hydrogear 618-04270b trans axle I need to know what type of oil or fluid is used in these units? cub cadet LGT1054 losing power on hills when it gets warm.
 
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Old 07-10-16, 06:57 AM
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If it is serviceable, 20W50 motor oil.
I can check tomorrow and give you more detail, but if it is serviceable, there should be a 1/4" hex cap screw on top of the unit. Some cases you may need to remove the unit to service it. If the oil reeks or smells like sewer, it should be drained and refilled, then will need to be purged.
Make sure the fan is still in good shape, and all grass and debris is cleaned off the unit before servicing.
 
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Old 07-10-16, 07:21 AM
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Far more likely it's the belt slipping or the the pivot point of the idler pulley needs grease.
Newer machines have a sealed transaxle and the fluid can not be changed.
 
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Old 07-10-16, 09:36 AM
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Newer machines have a sealed transaxle and the fluid can not be changed.
That's funny, I have done two cub cadet hydro units this last week...

 
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Old 07-10-16, 09:57 AM
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There is a recall on some of those models...read this bulletin to see if you unit is with in the affected models.
https://www.cubcadet.com/wcsstore/Ma..._March2012.pdf
 
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Old 07-10-16, 01:40 PM
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Use syntheitc 20w-50.
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Old 07-10-16, 07:33 PM
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my cub cadet has a new belt and pivot is fine. It doesn't lose power til after 15 or 20 minutes of cutting. the trans axle has a fill plug on top,and is full of oil.
 
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Old 07-10-16, 07:56 PM
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Is the fan intact? Is the transmission covered with dirt and grass clippings? There are cooling fins on the transmission that get caked up with grass and then the unit can't cool properly. Also if the belt is glazed it will loose power.
 
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Old 07-11-16, 05:45 AM
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Cub Cadet

I had one with the transmission that has the speed range control and the forward reverse pedal, not hydrostatic, but forward / reverse wet clutches. If that's what you've got, be sure to keep the F - R pedal depressed fully all the time. I used to "feather" the pedal if I wanted to slow down, and eventually wore the forward clutch. The symptom was that it wouldn't climb hills in the higher gear ranges.
Wear on the F - R pedal linkages also contributes. Once I figured out what I was doing wrong, I was able to continue to use it. Just had to keep the F - R pedal firmly pressed, and use the speed range control -as it was designed. Not sure if that helps

Good luck, Steve
 
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Old 07-11-16, 06:52 AM
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The fan is good transmission is clean and I have a new belt,I think if the belt was slipping it would do it all the time, right? I am going to change the oil and internal filter what do you think?
 
  #11  
Old 07-11-16, 10:53 AM
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The belt can slip or grab depending on heat buildup, so a belt problem doesn't necessarily show up all the time.

If you've eliminated the belt from the list of potential problems, I'd say the oil change is probably the next step.
 
  #12  
Old 07-13-16, 08:19 AM
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fluid change worked!!!!!!!
 
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Old 07-13-16, 07:26 PM
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