valley
Platinum Member
I have a bypass filter, the size of a spin-on, a little longer counting the mount. I haven't mounted it yet.
I have a kubota I bought new in 06 and have about 160 hours on it - has been a wonderful machine. I changed the oil as recommended. But I notice when I check the oil level that it seems dark for being "new" oil - I fairly recently changed the oil.
My question: does oil in a diesel engine get dark quicker than in a gasoline engine? It looks like I should change the oil it is so dark but I know the tractor is not due for an oil change for a while. Since this is my only diesel I don't have the benefit of experience.
But it never did turn black, and I kept putting off changing the oil way past the point I should have. The oil just slowly turned dark, the way gasoline engines do over time.
I know there's differences between the old Ford tractor diesels, and the newer more efficient and cleaner diesels today. But do you think that the oil wasn't doing its job of cleaning the engine? That maybe the guy had a non-detergent oil in it.
Hard to say what was in it before - some of the old-timers just grabbed whatever was lying around and dumped it in there.. You did put something diesel rated in, right?
Actually, I haven't changed it yet.
I started to a while back, but started reading about all this ULSD/CJ-4 controversy. Now I'm wondering what oil to use in these older tractor diesels to get the best protection, since oil now (CJ-4) has lower levels of protective zinc.
I may post on the bobistheoilguy.com website and ask the pro's what they think.