Use what ya want but when your coming back on here complaining your engine labors or your Hyd are squealing don't ask why . Yes ya can IN a pinch use a 10W not 30 W non detergent as a hyd oil . BUT since i work on tractors i like to do things right the first time . I don't like come backs . . And IF you did your part correctly then usen the correct fluid would be no problem . 30 weight in a plum slap wore out hyd pump on a h or M is one thing but in the tiny gear pump on a tonka toy cub ah not so good , when cold way to thick to flow and it can cause a suction problem and starve the pump or it can due to being thick cause a over pressure of the system . Cat for a time called for 15-40 series 3 in everything . in extreme cold like 0 and below hyd. were really slow transmission was slow to engage and sluggish and that was a 15 weight oil . way back i had a Cub at one time , i used mine a lot in winter , it sat outside under a trap , it complained a lot on start up . and i ran the 20 weight in the winter and 30 weight in the summer in. the engine and the touch control in the Hyd. and 80-90 in the trans and finals and they were stiff and took a good while to warm up . To aid in the steering i ran track roller grease thinner then 80-90 , back then dozer track rollers needed to be greased atleast once a day
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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