I would stick with genuine Special Transfer Box Oil. IYK500010. It’s expensive but it’s only every 5 years and a lot cheaper than a damaged transfer case.
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I would stick with genuine Special Transfer Box Oil. IYK500010. It’s expensive but it’s only every 5 years and a lot cheaper than a damaged transfer case.
No difference really, liquid gold or liquid gold.
Without issue would be questionable, my current D1 had trans fluid in the transfer case when I bought it. Some dick did that and my peanut of a mechanic said "Ah it should be OK" It was OK on a test drive and OK for some time after I gave it a full service and the correct oil was put in. Within 10,000 km of slightly bigger wheels and some decent 4wding it started making some pretty sad bearing noises. Ended up needing a full rebuild soon after.
Just use the correct oil[thumbsupbig]
Cant compare a ZF to an LT230, the steyr tc is probably closer to an auto in design so its possible that LG6 is suitable although i would want that confirmed before using it.
A lot of chain drive t/cases use ATF as the lubricant, but I have no idea what the Shell lube for the Steyr case is.