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    L3400 catch up on service

    Well that's damned infuriating. I poured through the manual and the only specs say SAE30, 10W-30 10W-40 and must meet API Service CD, CE, or CF. I checked Mobil-1 site. Per their site: According to ExxonMobil, Mobil 1 10W-30 is of the following quality level General Motors GM 4718M General...
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    L3400 catch up on service

    Thanks agree completely. Mobil-1 10W-30 is where i'm headed for motor oil, meets specs and I prefer synthetic. Been researching UDT ... is there a reliable (affordable) online source or should I look for the original dealer?
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    L3400 catch up on service

    Hi all, Recently took over use of a 10 year old L3400 manual 4WD with LA463 front loader from my father-in-law who just passed. Runs great but I'm pretty sure he didn't worry about service ... ever. ~650 hours so i'm basically doing all fluids top to bottom. Found service manual online...