John Deere Z515E, better oil to use than Turf Gard?

The_Eric said:
Gotcha. My town actually had a Gates factory for a number of years, they closed and moved those operations to another plant in... Oklahoma I think.

That's too bad for all involved.. been there, done that with a different company.
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Yup this economy is starting to show how it's really doing and will for the rest of the year.
 
Got the oil and filter changed, was definitely blacker in the sump than on the dipstick, as someone mentioned. The mower did seem a little more quiet with the synthetic, I don't know if it is true or just my imagination.

With the synthetic oil and syn. specific filter, do you change your oil and filter changes to a different interval or stay with approx. every 50 hours?
 
roadrunninmark said:
Got the oil and filter changed, was definitely blacker in the sump than on the dipstick, as someone mentioned. The mower did seem a little more quiet with the synthetic, I don't know if it is true or just my imagination.

With the synthetic oil and syn. specific filter, do you change your oil and filter changes to a different interval or stay with approx. every 50 hours?
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The Kawasaki FR730V engine manual states to change the oil yearly or every 100 hours. Regardless of the type of oil and filter
Change the oil filter at the same time.
 
What are your guys opinions on an oil cooler? I don't know if there is enough room back there but was just thinking a cooler oil would even be better. I don't know how much temp drop it would be but it would also add more oil to the system. Would it have to be mounted lower than the dipstick to keep the level reading correctly?
 
A number of JD lawn tractors use Briggs Engines. So whouldn't one think the Briggs small engine oil is the Same or close to the same as the JD 10w-30 oil that they imply you need to use. I do not want to assume anything foolish so maybe someone with industry knowledge can explain what is so Special about the JD tuff guard 10w-30. Can't any SAE 30 or 10w-30 small engine oil be used? Of course depending on the ambient temperatures you would compensate with the viscosity.
 
Lawnman23 said:
https://bobistheoilguy.com/forums/threads/oil-cooler-and-gauges-on-jd-z320m.381090/

If there is a will, there is a way :LOL:
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The original oil cooler I had was way too big being for an auto transmission, oil in the mower never got over 160F. I did get a smaller one made for the B&S big motors. I would directly mount under the oil filter for B&S but I can only use the cooler on the Kawasaki. So I mounted it above the flywheel screen. Unfortunaly it hasn't rained here much in the last three months so haven't racked up enough hours for the complete installation.

BS oil cooler on top of screen 2.webp
 
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