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Tom Arnold 09-08-2012 08:24:13 174.91.94.59 Report to Moderator	20W40 is still available from Ingersoll dealers but it's about 10 bucks a quart. That grade used to be popular 30 years ago but not today. You can use 15W40 all year round providing your tractor is not exposed to temps falling close to zero F when it is sitting. Put the trans-axle in neutral, start the engine, push the travel lever into full forward and leave running for 10 minute or so at half throttle to warm up the oil. If you live in an area where the tractor will not be used in temps lower than the freezing point, then 20W50 is a better choice. If you live where the winter temps are almost always near zero F, then you might want to consider using 0W30 synthetic. However, as soon as the temps go back up above the freezing point, then switch back to 20W50 Dino oil. [Reply]   [No Email]
D Shoe 09-17-2012 18:04:14 99.95.179.23 Report to Moderator	Re: Ingersoll oil in reply to Tom Arnold, 09-08-2012 08:24:13   Thanks for the input. As I stated, there aren"t any more Ingersoll dealers in my area anymore, I checked with NAPA and several others looking for 20W40 oil, which is what is specified for summer oil in my hydro tank. No one was any help, and since winter weight oil is listed as 5W20, I wound up using 15W40. This machine is for summer mowing and rototilling only. For winter I use a Speedex for plowing [Reply]  [No Email]