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Very useful info, thank you. That is like 1000 people writing in to say they have done it and nothing broke. I am seeking the one single case where it did break under little to no load, or even when shifting into R, but I can't find one. At this point, I don't think I'll be too scared to try...

Thank you to those that have written here, it is exactly what I am looking for. These are enough success stories to say it seems possible to do without splitting it as long as the vehicle is reasonably level. I am specifically looking for even one person to say they cracked theirs from a...

Thank you for your experience of reversing in low range. So far, I am putting together the picture it has been OK as long as there is no load beyond flat/level ground on an otherwise empty truck. As others have said, my truck is also resistive to shift amongst T-case ranges, so I try to avoid...

Another "Don't Use Low-Reverse on 939 Series" Thread? Yes, But Fact Finding... The "Don't use low-reverse" on M939 series seems to really have a mixed bag of emotions and outcomes. What I'm trying to decipher is, are there any cases of the T-case breaking from low-reverse usage with the front...