Service & Maintenance Question
What type of fluid does the hydro-gear transmission take in...
Service & Maintenance Question posted January 11, 2016 by Alex Sampsel
612 Views, 1 Comment
Question:
What type of fluid does the hydro-gear transmission take in my new husqvarna st330t. The unit must have burped some air because I have not used it for any real time yet and the fluid is not showing I'm the expansion tank. There is no leakage, and I just need to top it off. The manual says it's a sealed ayst m and does not need fluid added, blah blah blah. My p-zt6126 mower takes 20w50 for the zt3400 units. My dealer is like an hour an hour away and this isn't brain surgery, so please don't ask me to take it to them. I just need to top off the fluid. Thanks in advance.
Answer
Alex,
I don't see snowblowers here is the South but if you can get make and model numbers off the trans I'll see if I can find the info. These are considered seal units so most times the fluid info is not published except in a service manual but most of the hydros I work on do use SAE 20w50 but you may need a lighter oil for the extreme cold conditions as 20w50 is usually a summer blend.
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