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11-15-2007, 03:55 PM
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#1 (permalink)
| | Moderator
Status:  Join Date: Oct 2007 Location: NW NJ
Posts: 860
Points: 0  |  Hydraulic fluid
I have noticed over the years that changing hydraulic fluid seasonally helps with performance, cold weather more specifically, and I feel may help prevent wear of the hydro parts.
While I have never felt the need to change the hyraulic fluid seasonally in my JD425 Garden tractor, it is kept inside a heated garage year round. I noticed last year that my 2520 doesn't like the high viscosity hydraulic fluid in the winter, especially when temps are well below freezing. It was obvious on one occasion, when I had not allowed a few minutes to reach operating temp, and started plowing right off. There was a smell that I associated with parts that were heating up and lacking lubrication, and the sound of a hydraulic pump laboring. It was -10F degree below 0, at the time.
I do not have a heater installed for the hydraulic fluid, which I will change in the future, but this year I did change to the low viscosity hydraulic fluid. Anyone else with these climatic conditions find it neccessary to change seasonally?  |
JD 2520 w/46bh, 200cx loader, meyers 6ft plow
jd 425 w/54"mmm& 54"plow | |
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11-15-2007, 04:23 PM
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#2 (permalink)
| | Moderator
Status: Join Date: Nov 2007 Location: Westminster, MD
Posts: 455
Points: 0 |
My 4110 spends it winters in my semi-heated garage also, so I have not felt the need to change the fluid. |
John Deere 4110HST
FEL, MMM, FEL Forks (homemade),I-Match, Ballast Box, #380 plow (modified to fit) Markham LD-48 Grapple, and lots of other STUFF. | |
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11-21-2007, 10:46 PM
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#3 (permalink)
| | Rara Avis
Status:
 Join Date: Nov 2007 Location: Vermont
Posts: 2,006
Points: 0 |
Quote:
Originally Posted by gunmaker  I have noticed over the years that changing hydraulic fluid seasonally helps with performance, cold weather more specifically, and I feel may help prevent wear of the hydro parts.
While I have never felt the need to change the hyraulic fluid seasonally in my JD425 Garden tractor, it is kept inside a heated garage year round. I noticed last year that my 2520 doesn't like the high viscosity hydraulic fluid in the winter, especially when temps are well below freezing. It was obvious on one occasion, when I had not allowed a few minutes to reach operating temp, and started plowing right off. There was a smell that I associated with parts that were heating up and lacking lubrication, and the sound of a hydraulic pump laboring. It was -10F degree below 0, at the time.
I do not have a heater installed for the hydraulic fluid, which I will change in the future, but this year I did change to the low viscosity hydraulic fluid. Anyone else with these climatic conditions find it neccessary to change seasonally? | You probably had JDM J20C HY-GARD in the tractor when you experienced the problem...It's temperature range is a little above 14F to 122F...
You have switched to what you want JDM J20D LOW VISCOSITY HY-GARD...Its temperature range is -40F to 122F...
Important note: If air temperature falls below -40F, you need to heat the fluid to at least 5 degrees above -40F before startup or transmission damage may occur... |
Paul in VT
I used to own an ant farm but had to give it up. I couldn't find tractors small enough to fit it.
-- Steven Wright | |
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11-21-2007, 10:56 PM
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#4 (permalink)
| | Site Ogre & Admin
Status:
Join Date: Oct 2007 Location: New York
Posts: 2,234
Points: 69 |
Paul -
Let me be the first to welcome you over to the M.U ! I'am so glad you made it ! Im sure you will recognize a few folks over here, and please make yourself at home! The site is brand new (3 weeks) but taking off real
fast. I think you will find a much more relax environment, with less censorship like other boards. Please feel free to comment and if there is something you would like added, give me a shout - Thanks again for making it over!
I agree with the viscosity type you mentioned. With those types of temps, you have to make sure you have the right fluid in there, along with some heating elements...I dont recall if there is a synthetic version of the hy-guard from deere avilable? | | | |
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