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Old 08-11-2016, 01:52 PM   #1
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5th wheel questions from newbie

Hi
Two questions for now
1 when to dually ?
2 why is it that few 5th wheels (used or new) do not seem to have generators?
Tks
Michael
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Old 08-11-2016, 02:00 PM   #2
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DW decided we needed a 1ton dually she wasn't comfortable with us towing a 16k FW with a 3/4 ton. Happy wife, happy life!

I just purchased a LP gennie for those times when park loses power. We always carry LP, so it made sense. It is strong enough to run at least one AC and the fridge/lights/TV
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Old 08-11-2016, 02:05 PM   #3
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We started with a dually. 18,000 lb trailer so needed a bigger truck to handle the 27,000 GCWR.

We ordered a generator with the 5er. As it turns out we did not use it a lot so required more maintenance so it was dependable. It never let us down but a couple times it took a bit to get it running. Generators like/need to be exercised regularly, especially gas generators.
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Old 08-11-2016, 02:21 PM   #4
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Ditto everyone else on the dually. As for generators, the ones that have them built in seem to like them, but they do consume a lot of propane. We opted for a separate gasoline generator that I keep in the truck bed for whenever we need air conditioning while dry camping. I unhook and pull forward a bit so it isn't under our bedroom. Runs all night on one tank of gasoline.
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Old 08-11-2016, 02:33 PM   #5
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Originally Posted by michael huot View Post
Hi
Two questions for now
1 when to dually ?
2 why is it that few 5th wheels (used or new) do not seem to have generators?
Tks
Michael
1) When you truck/trailer combo exceed GCWR and/or Cargo/Carrying Capacity
2) Depends on 5th Wheel. Most toyhaulers include generators because the assumption is that you will be dry camping with your toys.
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Old 08-11-2016, 02:50 PM   #6
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Originally Posted by Zac808 View Post
1) When you truck/trailer combo exceed GCWR and/or Cargo/Carrying Capacity
2) Depends on 5th Wheel. Most toyhaulers include generators because the assumption is that you will be dry camping with your toys.
Agreed.
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Old 08-11-2016, 04:25 PM   #7
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Welcome,

1) When your trailer pin weight is close or exceeds that of the cargo carrying capacity of a SRW truck.
2) a] New the on-board generator w/prep is approx. a $4-6k option. Dealer like to keep the sticker prices lower to avoid sticker shock.
b] Used, it's not uncommon for owners to pull the generator and move it to another or new coach w/ factory prep-package. c] Dealers swap them to another coach.
They usually have low hrs. on them.

Be well.
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Old 08-12-2016, 05:28 AM   #8
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Quote:
Originally Posted by michael huot View Post
Hi
Two questions for now
1 when to dually ?
2 why is it that few 5th wheels (used or new) do not seem to have generators?
Tks
Michael
1 When the loaded pin weight of the 5th wheel plus the weight of the hitch plus any passengers and cargo in the tow vehicle exceeds the rated payload of the tow vehicle with single rear wheels, you need a dually because of its higher payload. The pin weight of a 5th wheel will usually be 20 to 25% of the loaded weight. Although the payload of 1-ton diesel trucks varies by manufacturer and by configuration, they generally have a payload in the mid-4,000 lb range. Duallys will generally be 5,000 lbs and up.

2. Since motorhomes have a plentiful source of fuel onboard (either gasoline or diesel), they are more commonly equipped with generators than 5th wheels. With a 5th wheel, you either have to have to haul in fuel or have a generator that runs on LP. Even with two 40-pound LP tanks in a 5th wheel (LP tanks can only be filled to 80%, so they really only hold 32 pounds or about 7 gallons each), the fuel source is somewhat limited. Nevertheless, more 5th wheel manufacturers seem to be offering generators and generator prep as options these days.
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Old 08-12-2016, 10:00 AM   #9
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If the bare weight of the trailer's 13K or more lbs., go dually. A 3/4 has the engine to tow them, but the kingpin weight is the issue.

Most fifth wheel owners camp in places with electricity. And with some built in generators costing $4K or more, it's an addition few people require or afford.

Portable inverter generators of 3K watts are sufficient to power one a/c unit and suit most users. You can get a Champion brand unit for $800 while Yamaha and Honda inverter generators will run just over $2K.
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Old 08-19-2016, 02:31 PM   #10
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For the price of an onboard genny your can buy a portable Honda that can be used anywhere & enough fuel for years & years.

That onboard genny is valuable storage space used & weight that has to be hauled around.

The portable genny will run everything you need except the A/C. How much & how often do you really NEED that A/C?
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Old 08-19-2016, 09:34 PM   #11
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Many toy haulers come with a generator or are prepped for one. We have the Onan 5500 gasoline generator and it will run both a/C units. Like our's, many toy haulers come with two rear fuel tanks - one 30 gallon tank for your toys and another 30 gallon tank for the generator. Comes in very handy when traveling and you stop, want to do lunch on the road, or keep your pets cool while you take a break for dinner.
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Old 08-19-2016, 10:00 PM   #12
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I'm at 16500 fully loaded and at max limits of my 3500 srw (3100-3300 pin). Anything higher and I would need/want a dually. As above I have a toy hauler with genny and it will run everything in the rig at same time (two ac's, micro, etc).
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