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Old 04-20-2017, 02:50 PM   #1
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Question Towing a MT643? and the AT545

Can it be done without damage to tranny? How to do it?

I failed googling it.
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Old 04-20-2017, 03:29 PM   #2
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A tow truck driver would know.
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Old 04-20-2017, 03:39 PM   #3
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you'll have to drop the driveshaft

i saw someone made a bus toad, behind their bus.
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Old 04-21-2017, 08:29 AM   #4
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It's a rule of thumb to always drop the driveshaft when towing a bus/semi/straight truck etc. The bushings and gears inside won't be getting lube if the input shaft in the trans isn't turning. If there is no lube, then stuff can be trashed fairly quickly. Allison says to never do it, and that doing so can cause extensive damage in just a mile.

This also applies to manual transmissions as well.
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Old 04-21-2017, 08:59 AM   #5
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Correctomundo...drop the drive shaft. Just make sure you secure it well during the tow.
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