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 > Anyone pulling a Montana 3120 with a SRW short bed?

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Slick Rick

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Posted: 03/03/21 07:13pm Link  |  Quote  |  Print  |  Notify Moderator

We're considering a Montana 3120 and the numbers say it'll work with the truck: 2015 F350 PSD SRW short bed with 3500 lbs payload, 11500 lbs gvwr. How much tongue weight, 20%? Anyone doing it or is it made for a dually? This would be our first 5er.
Thanks


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MNRon

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Posted: 03/03/21 07:20pm Link  |  Quote  |  Print  |  Notify Moderator

We pull a VL 320GK with our Chevy Duramax 3500 short bed. That’s about the same weight and size as your Montana. I use a SuperGlide hitch, and loaded weights are right at the rear axle capacity rating; I wish I had more margin there, but also don’t want a dually. We’ve pulled about 25kmiles over a couple years with this (and another 30+k with a similar previous 5er) and are very happy with it.


Ron & Pat
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rhagfo

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Posted: 03/03/21 07:57pm Link  |  Quote  |  Print  |  Notify Moderator

Well 3,500# payload less you and DW, less hitch, and anything else carried in the TV, and a 3,080# pin at 23% based on a 14,000# GVW.


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work2much

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Posted: 03/03/21 09:44pm Link  |  Quote  |  Print  |  Notify Moderator

We looked at the Montana 3120. If I recall the GVWR was 16,000. That makes for a 3200 pound pin. With passengers hitch and fuel it made for over 4000 pounds cargo for the truck.

We ended up with a 5th wheel that has a 15000 GVWR and our pin is a little over 3000 pounds and our total is over 5000 pounds with a transfer tank. about 4000 pounds without the tank.

Originally I wanted to trade the truck for a SRW but the numbers didn't work out so we kept the dually.

It probably boils down to whether you feel comfortable going over the stickered GVWR of the truck or not.


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MFL

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Posted: 03/04/21 05:04am Link  |  Quote  |  Print  |  Notify Moderator

I see you are coming from a truck camper, so I'm sure you understand the importance of axle/tire rating. That is a heavy FW, for it's 35' length. It does show a light dry pin wt, less than 20%. Once loaded it will most likely be 20%.

You just need to know your RAWR/tire rating, and if the added wt from a loaded to camp FW pin wt of around 3K-3.5K fits your ratings.

If you don't already know available rear axle wt, you can weigh the truck, full fuel, people, pet, and gear, getting separate axle wts, to see what is left for hitch wt. Don't forget to figure the 200 lb hitch sitting right over rear axle, if not yet installed.

IMO, it will work. You say the numbers work, so I don't see a problem.

Jerry





valhalla360

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Posted: 03/04/21 07:05am Link  |  Quote  |  Print  |  Notify Moderator

At 11,500lb GVWR, you should be fine.

Double check the GVWR...I'm coming up with around 16,000lb GVWR for that model when I look online...which would put the hitch weight up around 3500lb...thus no payload left to cover passengers, hitch or anything else in the truck.


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ACZL

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Posted: 03/04/21 07:27am Link  |  Quote  |  Print  |  Notify Moderator

IMO it's a no go. Truck should weigh in around 8600# +/-. Going by replies from others, the RV's dry weight is 14k and max of 16k. You will be at max capacity all the way around if not over on some. I had same truck, but when we upgraded RV's we were in same situation as you. Yes truck towed it fine and I loved the truck, but didn't like being right at max on everything. Dry weight of new coach was 14k and max was 16k. Fully loaded, pin was 3700, RV 16,000, total weight on truck 12,300, combo 24,600. Ended up getting a DRW 350 and night/day diff in towing. Yes the DRW sux in the snow, but for towing north of 15k max RV weight, you are in DRW territory.


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Posted: 03/04/21 08:00am Link  |  Quote  |  Print  |  Notify Moderator

The Numbers

[image]

MFL

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Posted: 03/04/21 08:07am Link  |  Quote  |  Print  |  Notify Moderator

ACZL wrote:

IMO it's a no go. Truck should weigh in around 8600# +/-. Going by replies from others, the RV's dry weight is 14k and max of 16k. You will be at max capacity all the way around if not over on some. I had same truck, but when we upgraded RV's we were in same situation as you. Yes truck towed it fine and I loved the truck, but didn't like being right at max on everything. Dry weight of new coach was 14k and max was 16k. Fully loaded, pin was 3700, RV 16,000, total weight on truck 12,300, combo 24,600. Ended up getting a DRW 350 and night/day diff in towing. Yes the DRW sux in the snow, but for towing north of 15k max RV weight, you are in DRW territory.


Dry wt is just 12K with a large CCC, loaded GW likely 14-14.5K, kind of reason OP said the numbers fit.

Jerry

Cummins12V98

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Posted: 03/04/21 08:23am Link  |  Quote  |  Print  |  Notify Moderator

" If I recall the GVWR was 16,000. That makes for a 3200 pound pin."

So based on your formula I should have 4,200# pin since my GVWR is 21k. But why is my pin 6,000?

My RV actually weighs 24k and my pin percentage is 25%. So just because a number says XYZ that doesn't make it so!!!


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