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Topic: Leveling while a trailer is attached (Read 339 times) previous topic - next topic

Leveling while a trailer is attached

I pull a 20 foot cargo trailer and once at a campground if it's not already level I do the auto level with the bags and trailer attached. Should I be disconnecting the trailer first? I don't want to hurt the system or new airbags
1996 U295-36, Cummins 300hp, 8.3. Build number 4864. Vin number 1F97D536XTNO54271. Purchased October 31, 2019.

Re: Leveling while a trailer is attached

Reply #1
Armchair Expert answer:

I don't think you can "hurt" the system or your new air bags.  Your air system can only put a limited max pressure (120 psi plus or minus) in the bags, whether you have the trailer hooked up or not.

What is the tongue weight on your receiver?  10% of trailer weight?  The leveling system should be able to accommodate the extra weight on the rear end without any great difficulty.

Others may have differing O-pinions.

1993 U280 SE 40' WTBI, Build: 4359
C8.3 300hp, 6-Speed, Exhaust Brake
960 watts on the roof (6 x 160)
Sorento (or BOLT) on a Kar Kaddy SS
"Nature abhors a vacuum"

Re: Leveling while a trailer is attached

Reply #2
Guess my answer would be if you are going to disconnect the trailer anyway, do so first.

If not, leave it hitched and just level.
Brett Wolfe
EX: 1993 U240
Moderator, ForeForum 2001-
Moderator Diesel RV Club 2002-
Moderator, FMCA Forum 2009-2020
Chairman FMCA Technical Advisory Committee 2011-2020

Re: Leveling while a trailer is attached

Reply #3
We see many motorhomes with big trailers in CG, often they are there for some time. They usually leave them connected, level the coach, put the tongue foot support down and most have trailer supports under the rear corners of the trailer if they are loading or unloading cars, motorcycles, UTV or anything else.  This takes most of the load off the coach.
Roger Engdahl and Susan Green
2001 U320 3610 #5879 (Home2) - 2014 Jeep Cherokee or 2018 F150
Hastings, MN

Re: Leveling while a trailer is attached

Reply #4
Been doing it for years. 22' trailer, probably 8K lbs total. Had a FT customer, that towed a loaded stacker, he did it.
Have another friend with a 28' tall trailer with Harleys and Jeep, he does it.

Chris
Chris and Tammy White  CDA Idaho
Previous owners 1997 U295 36' 3126 Cat 300 HP Build # 4998
Former Foretravel tech & RVIA certified tech
Former owner Custom Satellite home/RV satellites 
Former owner Vans LTD  van conversions
Unemployed, panhandler, drag racer NHRA #6348