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Old 05-06-2015, 04:20 PM   #15
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Thanks. There is a scale at the New Baltimore Service Area on I-87 and that is the route we will be taking so that is where we are thinking of getting it done.
I know we have to get the truck axle weights while we are hitched and then unhitch to redo the truck weights but do we have to unhitch the fifth wheel on the scale to get the trailer weight or can we do it hitched up as long as the truck is not on the scale. Sorry if these are dumb questions but it will be a first for us so we want to "get it right".
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Old 05-06-2015, 05:31 PM   #16
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First, I would not go thru the hassle of trying to use a DOT scale--usually too busy with trucks. Just google CAT scales and find one on your route.
Weight the combo together--being sure the truck axles are on different sections. Then pull off and unhitch. Then weigh the truck only, axles again on different sections. The difference in the total weights is the weight of the trailer; the difference of the rear axle weights is the pin weight of the trailer. This is always good info to have, but it can be intimidating to get in with the big trucks. Best to come across a truck stop with the scales not backed up, and go inside to explain what you want to do.
Should come to less than $20 for both weights.
There is a way to get the all the weights with only one trip across the scales--if you position the 2 truck axles and the trailer axles on separate sections, with the fiver legs just onto the same section as the trailer axles. Then you just need to get a first weight, then raise the fiver with the legs just until there is no weight on the truck hitch and take a second weight. Could be a little hard to get the setup placed correctly, so might be best to do it with/without the fiver.
Joe
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Old 05-21-2015, 07:34 PM   #17
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I was going to add that the frontal area of a TT is huge. Like pulling a parachute. My truck gets 18-20 without a trailer and 10mpg with my trailer.
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Old 05-22-2015, 09:16 AM   #18
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Quote:
Originally Posted by wingnut60 View Post
First, I would not go thru the hassle of trying to use a DOT scale--usually too busy with trucks. Just google CAT scales and find one on your route.
Weight the combo together--being sure the truck axles are on different sections. Then pull off and unhitch. Then weigh the truck only, axles again on different sections. The difference in the total weights is the weight of the trailer; the difference of the rear axle weights is the pin weight of the trailer. This is always good info to have, but it can be intimidating to get in with the big trucks. Best to come across a truck stop with the scales not backed up, and go inside to explain what you want to do.
Should come to less than $20 for both weights.
There is a way to get the all the weights with only one trip across the scales--if you position the 2 truck axles and the trailer axles on separate sections, with the fiver legs just onto the same section as the trailer axles. Then you just need to get a first weight, then raise the fiver with the legs just until there is no weight on the truck hitch and take a second weight. Could be a little hard to get the setup placed correctly, so might be best to do it with/without the fiver.
Joe
That will get you the trailer weight and the truck weight. You can figure out the pin weight but will not get axle weights for the truck.
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Old 05-22-2015, 09:41 PM   #19
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Actually, it will--CAT scales have up to 5 sections. IF you place the front axle of the truck on the first section; IF you position the rear axle on the second section; AND IF you position the entire fiver over the third section with the fiver legs just on the third section--my setup fits this perfectly. OK--first weight obtains the front axle, the rear axle and the trailer axles; then raise the trailer with the legs on the third section until all weight is off the hitch and not raising the truck with the fiver--second weight gets the front axle and rear axle weights and the entire weight of the fiver separately. It is simple math--the gross weights on both weighings will be the same; on the second weighing, the truck axles will reflect that the fiver is not on the hitch and the weight on the third section will be the total weight of the fiver. Then the difference in the rear axle weight will be the pin weight, or the gain on the third section will also be the pin weight. Works for me. And you can also get the actual towing weights on the two trailer axles by placing them on different sections, but will require some precise placement and a third weighing.
The scales give you readings for each section on each weighing--if the axles are all on separate sections, it will work.
Joe
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Old 05-30-2015, 03:54 PM   #20
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Time to close out this thread with sincere thanks to all for your input.
We will not be replacing the truck or the camper anytime soon.
Needless to say, keeping the truck in tow/haul mode made a HUGE difference to the ride - DUH!
Also, our visit to a CAT scale was nowhere near as complicated as it originally sounded. We did it in two passes with and without the Fifth Wheel and we are well within limits on all counts.
As for the gas mileage, it is what it is.
Thanks again from two happy campers.
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Old 05-31-2015, 08:11 AM   #21
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coovara,
Glad that everything worked out for you. Enjoy.
Frank
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Old 06-09-2015, 11:50 PM   #22
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Always tow in the tow-haul mode. That truck should tow that rig but if you need to loose some weight, show a smaller breed of dog. I also do the shows, big dog.
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