Oil & Fuel engine oil

   / engine oil #2  
If I had temps that low in the winter I would change my 5w40 synthetic to 0w40 synthetic in the fall and swap it back in the spring. JMO..
 
   / engine oil #5  
Do you store your tractor in a heated building? or plan to use an engine heater? Im sure you would be fine with the 5w40 if you do either or both

Do you plan cold/hard start at -30 to -60? I would be concerned with the hydro fluid at those temps.

Last winter I ran my little XJ which is stored in a wood fire heated garage with engine heater. I was pushing snow in 0°f temps for an hour or two and the hydro fluid never even got warm! The tractor didnt want to push that cold fluid very well... and if you have an HST, cold fluid sure makes some noise!

Going to figure out some sort of heater for it this year
 
   / engine oil #6  
If I had temps that low in the winter I would change my 5w40 synthetic to 0w40 synthetic in the fall and swap it back in the spring. JMO..

No need to swap it out. Use 0w40 year round. If you can find 0w30 diesel oil, you could use it year round.
 
   / engine oil #8  
Look into Shell Rotella T6 5W40 synthetic, it works very well for low temperature and year-round use.
 
   / engine oil #10  
I would ask the service department before hand. I wanted to use full synthetic in my tractor as soon as I bought it and the service dept told me not to until I had 125 hours because the valves seat better with conventional oils, don't know how true it is but I took there advise..
 
   / engine oil #12  
If I had temps that low in the winter I would change my 5w40 synthetic to 0w40 synthetic in the fall and swap it back in the spring. JMO..

I’d move somewhere else and keep using regular oil.
 
   / engine oil #14  
Rollie - I gotta ask. What in the world is soooo important that a person would go out into weather that is -30 to -60. I've only seen -60F once - I was a bit smashed - got on the plane(Anchorage to Seattle) and ended up in Fairbanks instead.

AT -30F - I better have a hot chocolate, liberally laced with JD & little marshmallows on top. AT -60F - - forget the mug, forget the hot chocolate - - I'm bundled in my easy chair hugging the bottle of JD.

I run 15W40 Rotella - year round. Coldest its ever been in the last 36+ years - -20F. I could just make out the outside thermometer thru the steam off my mug of hot chocolate.
 
   / engine oil #17  
In Wisconsin I ran Rotella T 15/40 all year. Tractor in an unheated pole shed but plugged in an hour before 30 deg Fahrenheit and colder and I could run it at any temperature I ran into.
-30 to -60 C is cold and I don't think I would want to go out because the hyd. would act up. IMO.

If 0w40 synthetic won't work I would stay in.
 

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