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caterpillar 623

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    94' Caterpillar 623F Will Lose Reverse After Warmed Up

    Hi, SN: 6BK00136 1994 Caterpillar 623F I have a 94' 623F Scraper that has a reverse problem. I can't see anything behind me! Jk, jk. My real issue is that my machine has reverse when the machine and all its fluids are cold but after warmed up, it won't go into reverse. I do feel it engage...
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