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Old Today, 11:22 AM
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RickyDL77 RickyDL77 is offline
LawnSite Senior Member
Join Date: Sep 2010
Location: Chesapeake, Virginia
Posts: 408
JD 750C Dozer, Hydro oil?

Trying to get input from as many sources as possible on what type of fluid goes into the JD750C Dozer. Shop foreman has been putting in THF1000 from Chevron. Just replaced the pump recently and now the engine is being rebuilt and the guy doing the work wants to change all the fluids while he has it.
Local dealer calls for JD+50 15W40 in both engine and hydraulic, 45gallons total. 5 in the engine, 18 in the hydro system, and 22 in the reservoir.
Called around and everyone is calling their version a 15W40 Low emission synthetic blend Diesel oil...
So basically I see this as we have either been putting the wrong fluid in the whole time (might be why the pump went) or the JD+50 15W40 is more than just a synthetic blend oil, maybe something else.. It's hard for my foreman to see it but the hydro systems on our mowers use synthetic 20W50 motor oil, this is just an oversized version of the same thing.

Anyone care to relate or enlighten me in any way?
Helping to run:

28 Maintenance Crews, 3 Landscaping Crews, 3 Irigation Crews, 6 Turf Crews, 3 Maintenance Enhancment Crews, 2 Hardscapes Crews

70 Wright Stander 52"
12 Wright Stander 36"
9 Wright ZK 61"
18 Encore Rage 52" Stand On Mower
400+ pieces of RedMax Equipment
150+ pieces of Kawasaki Power Equipment
350+ pieces of Husqvarna Handheld Equipment
.....A constant barrage of broken machines!!
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