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134 wasn"t around when the NAA came out so they used 90-hyd fluid-90. When 134 came out some used it 134-134-134. Worked great in the winter but it did show you where your bad gaskets/seals were and with 3 separate compartments and 2 shafts running fore to aft, there were plenty. Don"t know if your D in D-17 Allis stands for Diesel or not. Neighbor had one for years and it was a diesel. If it does you need an API rated C for compression oil in that. So the star on the container should have CJ, CI, CI-4 type things. Shella Rotella T 15W-40 is one such oil, Chevron Delo another, and Mobil has Delvac. Most of your oils mentioned are for S which is spark type engines.....SG, SJ type notation. Not for diesels. So use them in your spark engines. Course I like to minimize oil types on the shelves, so I put Shell in everything....till I got these new Dodge P/u"s and now I have to use light oil. My Hemi says to not use anything but 5W-20 or risk engine damage for all temps and all services. On the www they talk about the 4.7 SOHC in the other one having an oil pump specifically designed for 5W-30 so use nothing else. Boy if that doesn"t blow you away..... but the oil pressures are holding up so I guess what they say about the oil pumps in these trucks is true; they are designed to pump light oil. So light oil they get. Mark
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