Tow capacity for the 3.6 Pentastar seem kinda low to you? - JeepForum.com
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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK2 Grand Cherokee Forum > Tow capacity for the 3.6 Pentastar seem kinda low to you?

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Unread 02-06-2011, 08:05 PM   #1
KDOG2008
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Tow capacity for the 3.6 Pentastar seem kinda low to you?

I see that the tow capacity for the new Jeep GC with the new 3.6 V6 is still only 5000lbs, even though it seems to have considerable more "ooomph" than their 6 cylinder engines of the past (like the 4.0). That doesn't seem right. Seems like it should be between 5500-6000. Thoughts?

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Unread 02-06-2011, 08:27 PM   #2
RageOfFury
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Your right, the 3.6 Pentastar does have more hp and more torque than the 3.7 PowerTech, but both have the same tow capacity. Hmmm...
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Unread 02-07-2011, 10:58 AM   #3
Texas WJ
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Just a guess, but any increase in HP with the new 3.6 was probably offset by the increased in weight of the WK2. I think it's around 700 pounds heavier than the previous Grand Cherokee.

Also, the limiting factor might be the transmission. Maybe it can only go above 5,000 pounds with the addition of a cooler, which I think they only offer with the 5.7.
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Unread 02-07-2011, 12:05 PM   #4
Richard338
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Tow capacity ratings have to be an "any idiot under any conditions" rating. I'm sure it's more a matter of other driveline parts and brakes, hill, temperature, and such. I was in the RV rental business for years and you would not believe the stupid thing people do.
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Unread 02-07-2011, 12:31 PM   #5
CTO1
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Quote:
Originally Posted by Richard338 View Post
Tow capacity ratings have to be an "any idiot under any conditions" rating. I'm sure it's more a matter of other driveline parts and brakes, hill, temperature, and such. I was in the RV rental business for years and you would not believe the stupid thing people do.
You mean I can't tow a 40' luxury fifth wheel trailer over the Rockies with a Ford Ranger?
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Unread 02-07-2011, 08:28 PM   #6
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You mean I can't tow a 40' luxury fifth wheel trailer over the Rockies with a Ford Ranger?
I once saw a 26 foot trailer being pulled by an early 90's Chevy Caprice Classic....it was fun to think of the idiot that did that!

Almost like this:
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Unread 02-07-2011, 08:37 PM   #7
RageOfFury
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I once saw a 26 foot trailer being pulled by an early 90's Chevy Caprice Classic....it was fun to think of the idiot that did that!

Almost like this: http://www.youtube.com/watch?v=gOMrYUloMcA
LOL trying to pull a 20+ foot trailer with Mr. Bean's car. Funny!
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Unread 02-08-2011, 04:45 PM   #8
ordually
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Originally Posted by KDOG2008 View Post
I see that the tow capacity for the new Jeep GC with the new 3.6 V6 is still only 5000lbs, even though it seems to have considerable more "ooomph" than their 6 cylinder engines of the past (like the 4.0). That doesn't seem right. Seems like it should be between 5500-6000. Thoughts?
Tow ratings by the manufacturers have always been a crapshoot. They size up the vehicle, they size up the engine, they size up the competition, and the marketing department comes up with the number. That's going to change in the future, starting in 2013 model the SAE J2807 standard puts an end to the arbitrary nature of tow ratings.

Anyway, those numbers can't really be cross shopped right now, and that's what the new standard will fix. To give an extreme example, going back to 1989 my old Cherokee (in auto form at least) is rated to pull 5000lb, but there's no way that my 4.0L would keep up with the Pentastar each dragging 5K up I-70 to Eisenhower tunnel.
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