Just bought a 04 FX4 with 72k on it....doing a bunch of matinance on it so I know what I have....changed the oil and filter on the 5.4 I use 0-40 synthetic in everything i own...from the push mower up to the 450hp 4 wheel tractor... so i put it in the 5.4 did i do bad? should i change it out? I change the oil and filter every 6k on all my other trucks and cars...Thanks

 

What is 0-40 for originally? The tractor? 5W30 would be better.

 

it is concidered a diesel oil.....the 0-40 is used 12 months of the year in -40 degree temps to +40 degree c.

 

WHAT kind of tractor is that?!! Why do you run that weird oil in any of your vehicles?

Where do you buy it!!???

 

It is a common oil in Ag. up here in Canada....

 

What kind of 450 hp tractor do you have!? BTW welcome to the forum.

 

john Deere 9520...

 

Interesting. What do you pull with it? I wasn't aware that anyone used anything like that in Alaska. The biggest we have on our farm is an 8760. Which is 300hp.


If I were you, I'd run JD oil. You can increase your service interval to 350 hours if you run it!!! We've been doing that for years, and they don't burn it. I even run it in my truck. JD makes a 5W30 engine oil, and THAT'S what I'd suggest for your truck.

 

I'm in Sask. Canada.....what is your truck, year. engine?

 

97 5.4 It says it by my name on every post.