Towing Question - Hummer Forums - Enthusiast Forum for Hummer Owners

Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

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Old 05-30-2009, 05:12 PM
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Join Date: Sep 2007
Posts: 158
Default Towing Question

So I have a I-5 H3X. I'm looking at buying a 20' boat. My dad is giving me alot of lip about me ganna ruin my transmission pulling it. The total weight is around 2,000-2,500 lbs. more than likely less. The towing capacity is said to be 4,500 lbs for the H3. I just want to here about everybody elses experience with towing. I don't wanna here I told u so from my dad
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Old 05-30-2009, 09:08 PM
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Join Date: Oct 2008
Posts: 27

you should be ok, I use mine to haul my 17' all the time...
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Old 06-01-2009, 02:20 PM
Join Date: May 2009
Posts: 68

Add the weight of the boat, trailer and contents in the boat. #2000 sounds light for a 20' boat. Your tongue weight should be relative to your total weight around 10%-15%. If your total load was #5000, your tongue should be around #500. Check the max tongue weight of your vehicle, hitch, and drawbar, and go by the lowest. Make sure the trailer comes with brakes.
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Old 06-08-2009, 05:42 PM
Join Date: Mar 2007
Location: Chino Hills, CA
Posts: 39

I have been towing a 3800 lb travel trailer for thousands of miles. The I5 gets hot going up hills but no ther issues. Treat your tranny and engine to synthetic oil and change when slightly off-color.

I always keep my rpms high by running in 3rd, never overdrive. It is still well below redline but higher than if the tranny shifted on its own.

I would like to add a tranny cooler but I'm too chicken to cut into the existing oil lines.

Here's a pic
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2008, 4500lbs, alpha, boat, capacity, h1, h3, hot, hummer, runs, tow, towing, trailerh3t, travel

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