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Old 11-23-2022, 10:24 AM   #15
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What is the reason for not towing a Jeep 4wd on a dolly?

The way it was explained to me: when you shift the transfer case from 2WD to 4HI it physically connects the front and rear drive shafts together - both shafts now act as a single shaft and must turn at the same rate. When you then shift from 4HI to Neutral it disconnects the transfer case from the transmission, but the front and rear drive shafts are still connected together, so they still must spin at the same rate.


I haven't investigated the inner workings of the transfer case to verify if that is true, but it makes sense to me...
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Old 11-23-2022, 10:57 AM   #16
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Originally Posted by Alan_Hepburn View Post
The way it was explained to me: when you shift the transfer case from 2WD to 4HI it physically connects the front and rear drive shafts together - both shafts now act as a single shaft and must turn at the same rate. When you then shift from 4HI to Neutral it disconnects the transfer case from the transmission, but the front and rear drive shafts are still connected together, so they still must spin at the same rate.


I haven't investigated the inner workings of the transfer case to verify if that is true, but it makes sense to me...
When I towed the JKU on a dolly, the rear shaft was able to turn while the front was stationary. They are connected through the gears and when in neutral, the outputs are disconnected from each other.
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Old 11-23-2022, 12:10 PM   #17
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When I towed the JKU on a dolly, the rear shaft was able to turn while the front was stationary. They are connected through the gears and when in neutral, the outputs are disconnected from each other.
I towed a 2009 JK on a dolly - not a problem. And I am sure I checked the owner's manual before I hung my Wrangler behind my truck.

I think the JL & Gladiator may have two types of transfer cases, a traditional 4WD TC like we are used to, and an All Wheel Drive (AWD) version that has a viscous coupler that requires the wheels to all be turning at the same revolutions.

When I tried building a Gladiator, it seemed like there were two versions, but I didn't feel like the website explained it very well and definitely didn't warn people of the drawbacks to the AWD as far as dolly towing.
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Old 11-23-2022, 12:58 PM   #18
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A downloaded Gladator owners manual says no dolly towing. That may just be to cover both styles.
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Old 11-23-2022, 01:49 PM   #19
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A downloaded Gladator owners manual says no dolly towing. That may just be to cover both styles.
I downloaded the Owner's Manual and saw the same thing. I know I looked at the owner's manual for my previous generation Wrangler before I dolly towed it, and made sure I could.
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Old 11-23-2022, 02:12 PM   #20
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From what I have experienced, any Jeep transfer case that has a 2wd option and a neutral position can more than likely be towed on a dolly. Earlier Jeeps were sold with the New Process 231 and 242 tc. Some had lockout hubs on the front axle which when turned out was the same as being on a dolly. The 241 Rock Trac in the The JKU Rubicon has a 2wd and neutral which I towed on a dolly with no issues. The 247 and 249 TC's were full time only and could NOT be towed on a dolly. I don't have any knowledge beyond the JK model. I suspect Jeep says no dolly towing to prevent someone from trying it with the wrong TC.
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