Hi, The hydraulic system on a 1755 is a stand alone system though there are a couple of brakes and clutches in it- IE: the pto . The other driven unit is the PS. The brakes themselves are hydraulic actuated dry disc. The final drive is run in gear oil. The 3-speed is TF (dexron/mercon). And the fresh motor takes Rottella 15-40. My mistake was presuming the farm and fleet hydraulic oil was the right grade instead of doing more research. But I agree with you about the economics lesson. I just don't believe that type 55 is necessary when a lower priced hydraulic oil could be just as good. And with today's standards compared with 35+ year old standards I was looking for a cheaper alternative. But my question was more centered on what he said about the motor oil. I know now I wasn't clear about my intentions. I had no intention of following his suggestion but after re-reading my post I see that that could have been misconstrued.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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