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Old 11-12-2019, 03:07 PM   #1
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Blue Ox BX7445 replacement shank

I have a BX7745 Aventa LX 10K tow bar. I tow a Ford 2015 c-max with a curb weight of 3607 lbs. I would like to replace my shank with a short shank. Blue Ox no longer sells parts for this tow bar. They recommend the 84-0185 shank. It appears the 84-0051 would fit but because it is not rated 10K Blue Ox is not really willing to tell me if it will work with my existing arms. I understand the weight difference (10k vs 6.5K) but I would still be well under the maximum rating. I just want to be sure it would fit OK and fold up for travel safely. Has anyone done this?
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Old 11-13-2019, 07:56 AM   #2
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Why not have a welding shop cut and redrill that long shaft. I could never understand why they went to such a long tube.
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Old 11-13-2019, 11:07 AM   #3
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I cut and redrilled mine. I saw no need for such a long shaft.
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Old 11-14-2019, 05:51 PM   #4
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While having my tow baE serviced at Q I asked if they could drill an extra hole. They won't do that due to liability issues. Crazy. I did the hole drilling myself on older bar.
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Old 11-15-2019, 07:03 AM   #5
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Thanks for the suggestions. Like Moisheh, the hitch places I've talked to say no. Blue Ox warns that doing so will lower the towing weight and most shops just won't take that chance. I don't have the equipment to do it myself, hence the original question about the two different shanks. There is $100 difference. I would just as soon not spend it for something I don't need. After all, there is always another place on an RV that does need it!
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Old 11-15-2019, 03:22 PM   #6
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Shorting it can't lower the towing weight if anything it would raise it slightly because of the reduced leverage on the receiver.
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