John Deere 165 hydro question

Zachary Hoyt

Well-known Member
I am not sure that this is technically a garden tractor, if I am in the wrong forum let me know and I will move along. I just got a 165 hydro at an auction, everything seems to work well when I cut grass with it. I have never had a hydro before and all I know is that it says to keep the fluid 5-1/2" below the neck. I can buy a manual on ebay for about $20, would that be a good investment? Is there anything I should know about how to operate or maintain a hydro transmission? Any advice will be much appreciated.
Zach
 
You are in the right forum.

I have a 185 Hydro. I personally do not do much maintenance on the hydro. When you take the filler cap off, there is a screen(filter) 5 1/2" below the top and if you can see the screen, then you need to add hydro fluid. I use non detergent SAE 30 motor oil. I suppose it is a good idea to make sure the fan is cooling the hydro parts and has no broken fins.

I just looked up your hydro pump and it appears to be the exact same one mine has. We have the Eaton pump which is low end. The Sauer Sundstrand pump seems to be more durable.

Don't force it from forward to reverse real fast. Give the actuators a few seconds to stop before going in the opposite direction. Don't let the pump run dry. Use the release knob when pushing it by hand.
You can look up JD parts here
 
You have a lawn tractor.
It has a Kawasaki engine, unless its been changed.
The Kawasaki is a good engine,expensive to overhaul if needed.
Hydro should be OK if you don't abuse it.
 
It still has the Kawasaki, it runs well at least for now. Thank you very much, I thought maybe it was a lawn tractor but I didn't know where to ask lawn tractor questions.
Zach
 
Thank you very much for all of that information. I will check on the screen and the fan. I think the fluid must be full as I did not see a screen when I looked in there at the auction. Either that or it has been removed, I guess.
Zach
 
You won't see the screen if it has enough fluid. Mine has a 4" dipstick on the cap for checking fluid level. The screen is a real fine mesh at the bottom of the filler tube.
 

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