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Old 02-15-2015, 11:05 AM   #1
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How much extra capacity for a fifth wheel hitch do I purchase?

We are buying a fifth wheel with a 15500 lb. GVWR. So do I go with a 16000 or 18000 lb. 5ver hitch?
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Old 02-15-2015, 11:13 AM   #2
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18,000 lb. minimum.
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Old 02-15-2015, 11:25 AM   #3
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I see this is your first post! Welcome.

In the future give as much information as possible if you want the best possible answer.

What truck do you have will be a good start? engine, brand, 350/3500, SRW DRW, year etc.
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Old 02-15-2015, 11:46 AM   #4
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Our first hitch was a 16k. We recently needed to purchase a 24k for our new fifth. In our particular case, it would have made greater financial sense to have gone bigger in the beginning. Sadly, I wish this was the only less than brilliant purchase I have made. Collect the whole set.
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Old 02-15-2015, 12:16 PM   #5
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I have a chevy 2014 Silverado 3500 Duramax. I've done my homework with respect to my weight calculations and I will be under all limits. The only thing I didn't really find online was a guideline for hitch sizing with respect to GVWR.
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Old 02-15-2015, 12:43 PM   #6
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How big will your next trailer be?
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Old 02-15-2015, 02:48 PM   #7
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I agree with buying the 18K model. I had a 15K Reese classic in my dually when we bought our new 5er with 15,500# GVW rating. After a few weeks I could feel the flex in the hitch when cornering and in cross-winds. I bought a used 20K# Reese that replaced the 15K. The difference was immediately noticeable, much more solid feeling to the rig while traveling.
About buying used; I bought the 20K Reese from a man who retired from delivering 5ers for a living. I used it for 8 years and the only maintenance money spent was to replace a broken spring on the rocker mechanism. Regular lubrication was performed per Reese manual.
I still have that Reese 20K in the garage , still waiting to remove the rails from the truck-bed and have the local RV supply and repair store sell in on commission for me.
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Old 02-15-2015, 02:58 PM   #8
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Since it's so close to 16k, if it were me, I'd go to the 18k hitch.
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Old 02-15-2015, 03:56 PM   #9
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Originally Posted by computernerd View Post
I have a chevy 2014 Silverado 3500 Duramax. I've done my homework with respect to my weight calculations and I will be under all limits. The only thing I didn't really find online was a guideline for hitch sizing with respect to GVWR.

Ok so it's a 3500. SRW or DRW?

Shortbed longbed?
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Old 02-15-2015, 04:34 PM   #10
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SRW 6.5 ft bed. I'm getting the pull rite super glide hitch. I just was unsure if I should go up to the next size.
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Old 02-15-2015, 04:42 PM   #11
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We had a Super 5ther hitch 20k. towing 20k. Sheared bots holding hitch together. Now have 32k.
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Old 02-15-2015, 06:00 PM   #12
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Thanks for the great feedback. I will go with the bigger hitch
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Old 02-16-2015, 02:00 PM   #13
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Buy a hitch that is closest to the weight rating for your truck.i am in this delima now and its sucks learning this with money.
I say get a 20 or 24K hitch,not much difference in price between a 20 to a 24.
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Old 02-16-2015, 04:56 PM   #14
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SRW .
That makes a big difference. You are limited by the maximum load capacity of two rear tires; 3,780# seems to be the maximum load for 16" load range E tires. That equals a maximum Rear Axle Weight Rating of 7,560#, as the rear axle maximum is determined by the weakest component. Around 3,500# will be the lowest pin weight you'll see-if the trailer is loaded evenly throughout to maximum capacity. That means your empty rear axle weight should be less than 4,060#. Use this online weight calculator to know accurately: Fifth Wheel Weight Calculator
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