![]() I wash off the metal debris from my suction screen in the drained hydraulic oil pan. They aren't that strong, just shake the tube & they'll fall out. Its lubrication and thermal stability is similar to that of other hydraulic oils. Its low viscosity allows for easy addition to existing systems. This oil is compatible with hydrostatic fluid and can be added to existing systems without any problems. Multi-viscosity oil delivers consistent engine. You likely have metal debris magnets inside your suction tube screen. Low-Viscosity Hy-Gard is a high-quality hydraulic and transmission fluid. The John Deere Low Vis Hygard trans fluid is a golden or yellow color, so this is what you are seeing. Sure it costs more, but for changing only every 200 hours or so, it's not that big an expense. Item code: YU81817-005&JD MPN: YU81817-005 GTIN: YU81817-005, D. You won't get hydrostat transmission squalling & complaining when it's cold out, either. This is no different than a multi-vis engine oil, in this respect. You just need to be sure to change it when you should, since it has viscosity index improvers that shear down over time (normal vis does not). I find Lo Vis performs better in all conditions - it flows faster in all hydraulic circuits. But the tractor must have been factory filled with regular vis (Georgia JD plant), because when I changed it 50 hour maintenance last year the transmission really quieted down.ĭo you have something really unique on your tractor like a Limited Slip clutch pack or something? John Deere Low Viscosity HyGard transmission oil is specially formulated to provide the best performance and wear protection for John Deere transmission and hydraulic systems. In fact, my manual says Lo Vis is 'preferred' over regular vis. Low-Viscosity Hy-Gard replaces John Deere All-Weather Hydrostatic Fluid and should be used as a direct replacement for all applications recommending hydrostatic. My JD manuals have never mentioned not mixing HyGard & Lo Vis HyGard, including my latest tractor.
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