It's called Rotella T 15w40 Universal Motor Oil 15w40. It's the only oil we use when we have to change the oil on diesel engined trucks... And yes it is made by shell. I've heard from many oldschool customers that its pretty good oil... Rex ----- Original Message ----- From: "Scott McMullan" <mcmullan@xxxx> To: <dmcnews@xxxxxxxxxxxxxxx> Sent: Saturday, January 03, 2004 10:51 AM Subject: [DML] 15W40 oil brand > > I was looking through a local Pep Boys store the other day, and had a > difficult time locating 15W40 oil. As it turns out, they only seem to carry > one brand of that weight, and only in gallons. I've never heard of this oil > brand (began with an R, forget the full name). The package had a yellow > shell on it, so I wonder if maybe the oil is actually produced by Shell Oil, > and distributed under a strange name? > > While I know there are many conflicting ideas about what kind of oil to use > in the PRV, I was wondering if anyone had a strong opinion one way or > another about using an oddball oil brand, as opposed to the better known > ones. > > I had no trouble finding the GTLMA fluid for my clutch, which was nice to > see.