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transmission question / mower drive question, fluids

A

AL SCHUMAN

Member
My 140 has Hy Tran in the gear box as does the unit that drives the belt for the mower, I told you can replace the Hy Tran with regular 85/90 wt. gear oil. are these two systems connected in any way? I know the hydro touch is Hy Tran only. TIA Al
 
I don't think that its a good idea to change types of fluids tractor differential & hydraulic oil is probably the best you can git it is formulated for this purpose, no reason to have two types of oil seating around your shop. Lew.
 
I agree with Lew.
The transmission is hapy with Hytran and might be stiff and difficult to shift with heavy oil. What is your motivatiion? JimN
 
i'm having a hard time tring to figure out why they would have put hy-tran in a transmission that does not share fluid with the hydraulic system
 
Hy tran is noted in my book as the lube of choice for everything but the engine and lift, there is some leakage at the pulley as there was at the steering box, I replaced the steering box fluid with 85/ 90 no more leaks, it was suggested by a fellow who works on IH tractors that the only thing he , they used Hy tran in was the hydraulic lift, anywhere else was the 85/90 gear oil. It s a summer tractor for mowing basically, 2nd gear for hours, so shifting isn t a problem.My book has little to say about the tranny or pulley drive.
 
IH decided to use Hydraulic Transmission oil in transmissions (that style oil is a high pressure product and is used in all late model IH, and most other modern tractor drive lines). Jim
 
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