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Belarus Hydraulic Fluid, Motor Oil

M

MontanaMan406

New User
Hi, I have a Belarus 825, and in the manual, and on the hydraulic fill tank, it says "Use Motor Oil Only".

What type of motor oil are you supposed to use in this manufacturers hydraulics? Is it REALLY motor oil, or is that Russian for Hydraulic fluid?

What weight/type do others use in their Belarus 825?

TIA!
B.
 
Because of there poor machining tolerances in their hydraulics,you should run 30 wt.
Hyd. oil is to thin for their system.
 
Run Universal tractor oil in the hydraulics and motor, a straight engine oil is ok in the hydraulics but we found it could foam, as others have said hydraulic oil is too thin. EP90 in the tranny unless the hydraulic super reducer is fitted then Universal Tractor oil again. EP90 through the front axle on MFWD tractors, keep a good eye on the two mitre boxes at the top of the axle, the lower oil seals can fail allowing the oil to drain into the hub reductions and causing the bevel pinions in the mitre boxes to fail, no external oil leak will be seen.
 
Hi
I'm in Canada, We ran 32 or 46 hyd oil in ours for about 16 years as it gets pretty cold here in the winter and it was our only chore tractor. Lots of guys I fix them for run TDH. When we switched to another main chore tractor It has TDH in the system. We switched the Belarus over so we didn't cross contaminate oils with implement swaps. If it's real cold that Belarus hyd system is real grumpy until the TDH oil warms up if it sits out or not in a heated shop. I have seen guys run ATF but that really isn't good for the system. When I drained it and put "oil " in the tractor quietened down no end. Climate plays a big part in what oil you put in especially in - 20oc and below .

It's a Belarus if it don't leak oil out it probably needs servicing, thinner oil leaks out quicker when it stands is the only disadvantage L.O.L
Robert
 
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