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Old 04-24-2012, 08:05 PM   #1
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what do you tow w/your 12 jk 3.21

Just got a 12 jk 3.21 manual and added a tow package from the dealership. Was wondering what everyone with that model uses it to tow

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Old 04-24-2012, 08:43 PM   #2
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Certainly not much since it's only rated at 1000lbs.

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Old 04-24-2012, 09:06 PM   #3
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Well a guy at the jk forum told me he tows 3500 lbs and said he has no problem and a few other people I've talked to have no problem towing more than 1,000
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Old 04-24-2012, 09:10 PM   #4
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A 4 door with 3:73 gears or better is rated at 3500lbs. A 2 door with 3:73 is rated at 2000lbs. Yours is rated at 1000lbs. Those are the facts. What you do with those facts is up to you.
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Old 04-24-2012, 09:34 PM   #5
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I understand the facts. I was just curious to see what people towed
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Old 04-24-2012, 09:36 PM   #6
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I have a 2012 JKU 4 door with the 3:21 gears and the 5 speed auto. I have been towing my 17.5 foot aluminum bass boat with 60 horse motor for a couple of months now and have had no problems what so ever. I think this whole outfit hits the scale under 3,000 lbs.
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Old 04-25-2012, 12:04 AM   #7
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Hi

I think the towing thing is strange.

For sweden (europe)

The specs in Sweden (europe) for 2010 and 2011 unlimited wrangler Sahara with 3.21 gear can take max 3500kg = 7720 pounds.

7720 pounds is with the slightly weaker 3.8, and four speed transmission, with higher gearing.

Now with 2012 unlimited, stronger engine, better transmission, lower gears, and axle ratio with 3.21 we can only tow 1000kg= 2200 pounds, very strange with less than 1/3 towing capacity compared to 2011 model.

In the second batch 2012 wranglers unlimited that will arrive some time in the summer in Sweden they will have 3.73 gears and the unlimited can take max 2000kg = 4400 pounds.

The 2 door 2012 can take 1000kg= 2200 pounds both with 3.21 or 3.73 gears.
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Old 04-25-2012, 01:17 AM   #8
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My 12 jk 2dr has 3.73s and I towed a motorbike on a trailer (about 1300lbs total) without breaking a sweat.
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Old 04-25-2012, 05:26 AM   #9
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Quote:
Originally Posted by Omar Brannstrom
Hi

I think the towing thing is strange.

For sweden (europe)

The specs in Sweden (europe) for 2010 and 2011 unlimited wrangler Sahara with 3.21 gear can take max 3500kg = 7720 pounds.

7720 pounds is with the slightly weaker 3.8, and four speed transmission, with higher gearing.

Now with 2012 unlimited, stronger engine, better transmission, lower gears, and axle ratio with 3.21 we can only tow 1000kg= 2200 pounds, very strange with less than 1/3 towing capacity compared to 2011 model.

In the second batch 2012 wranglers unlimited that will arrive some time in the summer in Sweden they will have 3.73 gears and the unlimited can take max 2000kg = 4400 pounds.

The 2 door 2012 can take 1000kg= 2200 pounds both with 3.21 or 3.73 gears.
But don't they run on diesel
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Old 04-25-2012, 05:58 AM   #10
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I tow a 5'x14' tandem axel trailer with 4' sides usually load around 5-6k and it tows just fine with my 2012 jk sport 6spd 3:21 gears.
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Old 04-25-2012, 05:59 AM   #11
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Of course i live in flatland country!!
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Old 04-25-2012, 06:21 AM   #12
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Quote:
Originally Posted by els
I tow a 5'x14' tandem axel trailer with 4' sides usually load around 5-6k and it tows just fine with my 2012 jk sport 6spd 3:21 gears.
Damn..that's a lot..so I guess I wouldn't have a problem towing a 1500 lb boat 10-15 miles backroads
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Old 04-25-2012, 07:14 AM   #13
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2012 JK 3.21 gears, I use a heavy duty 5 x 8 ft utility trailer (3500 lb axle) I've hauled a yard of top soil (several times) "Google" says thats any where from 2100 to 2700 lbs, so with trailer weight roughly 3000 to 3500+ lbs with no problem. That includes some pretty good hills. Contrary to popular opinion, I'm happy with the 3.21's.
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Old 04-25-2012, 07:40 AM   #14
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I live in flat country as well. Have zero issue pulling a 2000 pound plus 18' Hewes Redfisher flats boat. 3.21 is just fine!
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Old 04-25-2012, 08:11 AM   #15
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Jeep purposely underrates the 3.21 to avoid warranty claims i think, the truck will easily pull more than that. As long as you can control and stop the trailer, go for it.
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Old 04-25-2012, 08:58 AM   #16
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Stoping is where a lot of people have trouble when it comes to towing. Your brakes are rated to stop x amount of weight in a certain distance. Too much over using brakes will eventually cause failure which = big and potentially bad issues. I recommend either upgrading brakes or adding trailer brake set up, if towing excessive weight or you notice poor stopping performance.
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Old 04-25-2012, 09:03 AM   #17
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Actually, I "push" my 22K lb motorhome with mine.
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Old 04-25-2012, 09:06 AM   #18
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Quote:
Originally Posted by sheltie
Actually, I "push" my 22K lb motorhome with mine.
That's awesome :-)
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Old 04-25-2012, 09:10 AM   #19
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Thanks for the info..not as worried now towing my boat
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Old 04-25-2012, 09:11 AM   #20
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Quote:
Originally Posted by els
Stoping is where a lot of people have trouble when it comes to towing. Your brakes are rated to stop x amount of weight in a certain distance. Too much over using brakes will eventually cause failure which = big and potentially bad issues. I recommend either upgrading brakes or adding trailer brake set up, if towing excessive weight or you notice poor stopping performance.
What kind of brakes would you recommend upgrading to?
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Old 04-25-2012, 05:08 PM   #21
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At the very least, make sure your trailer has electric brakes or surge brakes. The Jeep brakes may make a scary situation scarier. As mentioned, not recommended because the wheelbase is short, brakes not beefy enough, overall handling is unsafe. The engine may be strong enough, but if your merely added a hitch at the dealer, you probably don't have a transmission cooler (if automatic), and other upgrades that a tow package might include. I am not sure if a manual gets a beefier clutch for towing.

I am rated to tow 2000# due to the 3.73 and I also added a hitch after the fact.

Be careful though.

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