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Find a class 8 tractor and a semi trailer with hard grease bearings and send me a picture of the hubs, then I will believe it. Were you talking about Siberia or where north? Never saw one in the Yukon or Alaska. Walked around 3 truck stops in the last 3 days. Not even the heavy haulers. Not a one. Any one actually use 30w in theirs?
Bill
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