Interesting. I see I'm not the only one suffering from fluid confusion. We did some service the other day on a John Deere 200CLC excavator. The thing was way low on hydraulic fluid and we didn't know what it took. The MRC (Maintenance Requirement Card-don't ask) had some weird specification for fluid that I couldn't make heads or tails of. The manufacturer's manual wasn't any better. What we had on hand were 80W90, 10W, 30W, 15W40, and 40W. We all ruled out 80-90 pretty fast, but were stumped after that. I was thinking 10W, but I had to leave the shop for some or another reason, and by the time I got by, one of my guys was filling the tank with 15W40. So far, so good.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.