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new 5th wheel

rsbabson
Explorer
Explorer
Bought a 2015 Keystone Montana Mountaineer 356TBF this week from camping world Myrtle Beach,SC. I currently have a 2013 F250 6.7l diesel with Firestone airbags and a B&W Companion 20k hitch (non slider) Pics soon to follow and once loaded down for vacation gonna hit the CAT scale down the road from the house.Yes I know it is TOO MUCH PIN WEIGHT. I plan on stepping up to a 350 next year. I pulled it from the dealership to the house (2.5 hrs away) No problems pulling but I could tell it was back there once it was time to stop. I weighed my truck this year on the scales and it was 8,540 gross,4,880 steer axle and 3,660 drive axle. That was just me,hitch,full tank of fuel and 30gallons in the aux tank. Once I get her loaded and weighed I will post on the apropriate forum. But it pulled fine nothing went wrong, my axles didnt split in half. But yeah I knew it was back there. F350 in my future.
13 REPLIES 13

hone_eagle
Explorer
Explorer
Helmsey wrote:
GrumpyandGrandma wrote:
250, 350, or 450 you will always know it's back there.


+1
We have about 15k behind ours and I have no doubt it's back there.


Heck I know mine is back there,I know its just a saying -"don't know its back there"-
but if that were true I would worry about the guy saying that.:C
2005 Volvo 670 singled freedomline 12 speed
Newmar 34rsks 2008
Hensley trailersaver TSLB2H
directlink brake controller

-when overkill is cheaper-

BulldawgFan
Explorer
Explorer
If you are thinking 350 srw then you may want to first consider just adding the 350 rear spring pack to you 250. That is really the only mechanical difference in the two. And that can be accomplished for under $500...
2018 Forest River FR3 30DS
2011 GMC Terrain (Toad #1)
1993 Jeep YJ (Toad #2)
1993 EZGO Marathon 48v

Helmsey
Explorer
Explorer
GrumpyandGrandma wrote:
250, 350, or 450 you will always know it's back there.


+1
We have about 15k behind ours and I have no doubt it's back there.
KK4PFX
2015 Chevy 3500HD LTZ Dually
2013 Sandpiper 365SAQ

rsbabson
Explorer
Explorer
Old-Biscuit wrote:
rsbabson wrote:
80psi max is what my tire rating says. I have them at 65psi right now.


What is the MAX Load Rating using that max PSI?

65psi is not enough air pressure.
I will have to check on that. I had planned on bringing them up to max. Actually I have them at 70psi not 65

GrumpyandGrandm
Explorer
Explorer
250, 350, or 450 you will always know it's back there.
Grandma in front of her retirement home..
She lets Grumpy drive!!

Old-Biscuit
Explorer III
Explorer III
rsbabson wrote:
80psi max is what my tire rating says. I have them at 65psi right now.


What is the MAX Load Rating using that max PSI?

65psi is not enough air pressure.
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

rsbabson
Explorer
Explorer
BB_TX wrote:
Now go over and join the Montana Owners Club forum for all things Montana. Very active forum with lots of friendly folks there with lots of experience and help with any questions or problems you may have.
Thanks, I will sure do that!

BB_TX
Nomad
Nomad
Now go over and join the Montana Owners Club forum for all things Montana. Very active forum with lots of friendly folks there with lots of experience and help with any questions or problems you may have.

rsbabson
Explorer
Explorer
80psi max is what my tire rating says. I have them at 65psi right now.

Old-Biscuit
Explorer III
Explorer III
Congrats on the new RV!
New toys are always FUN.

Load it up and hit the scales.......

Dry pin weight is 2350#
Wet pin is going to be close to 3000# or more

So watch the weight on rear tires.
Probably over on GVWR/RAWR..but them tires would be my first concern.
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

zackyboy3rs
Explorer
Explorer
Congrads!!! I am picking up our new 5th wheel from Camper Country in Myrtle Beach December 30th.
2009 Chevy Silverado LTZ 2500HD 6.0L, 3.73, Gas sipper
2015 Jayco Eagle HT 27.5 RLTS

rsbabson
Explorer
Explorer
Yes I actually had to adjust my trailer brake setting from my old 5er. This is the brake controller in my truck. I had to back it down from the previous setting. And yes you are correct on the rawr as I have ran the numbers also. I think once it's loaded it will be close or over somewhat. No the dealer didn't adjust the brakes on the unit as far as I know.

MFL
Nomad II
Nomad II
Ron, congrats on the new FW!

You may need to adjust the trailer brakes, as the new ones should be adjusted after just several hundred miles of towing. It was towed from the factory to the dealer. Did the dealer adjust them before you picked it up?

The 250 should brake just as well as the 350. You should have 2500+ pounds of hitch wt available, before reaching your rawr.

Hope you enjoy the new 5th,
Jerry