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Topic: Coach Weight (Read 493 times) previous topic - next topic

Coach Weight

OK. We had the coach weighed by smart weight. The left rear of the coach is 600lbs heavier then the right rear. Front of coach is within 50lbs. All my tools which are considerable are in the Joey bed and on the passenger side of the coach. Black and grey tanks were empty, water about 3/4, propane at 1/2 and we have no muffler just a straight pipe. Can't figure out why the drivers side rear is 600lbs heavier then the passenger. Only thing that comes to mind is the two 8D west cells, but six hundred pounds?

Roland
1993 U280 4341
2010 Jeep Liberty
The Pied Pipers

Re: Coach Weight

Reply #1 –
Quote from: Roland Begin –
  but six hundred pounds?
Have you asked the DW?  :))  Remember, Lucy collected rocks.
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Coach Weight

Reply #2 –
Roland those 8 D's run about a buck and a quarter each.
Andy & Eileen
MONTROSE COLORADO
1992 U300  40' 6V92 TA
2016 4 Runner
1998 Jeep Grand cherokee

1998 Jeep Grand Cherokee) Build # 4135 Skp# 122921

Re: Coach Weight

Reply #3 –
Have you checked ride height? If the left side is higher/right side is lower than spec, it can/will transfer weight to the left side.
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: Coach Weight

Reply #4 –
When we weighed about four years ago at the Florida SEA rally we were 1000 lbs heavier on the driver's rear side. No explanation. In a hurry so didn't wait for the report just told them to mail it to us. Ride height is OK. Never have figured it out but 1000 lbs is a bunch. Front was within 100 lbs left to right.
Larry
1996 U295 36'
Build # 4805
Actually we sold it but just like to lurk

Re: Coach Weight

Reply #5 –
At 600 to 1,000 pounds difference the tire pressure should reflect the actual load on that tire per the chart I would think.

Looked at the specific Michelin chart for my exact tires and weight without knowing left to right and I am about 2 high on the front and five on the rear at 90 rear and 100 front.
"Riding and rejoicing"
Bob
1997 U320 40' Mid entry, build 5132,  wtbi ce27, 4th owner
2007 Solara convertible
2 prodeco tech outlaw ss electric bikes

1095 watts solar
08 Ls 460 and a sc430
2000 Ford F-250 superduty 4x4

Re: Coach Weight

Reply #6 –
As I read the info from Michelin and virtually everyone else tire pressures should be uniform across each axle based on the highest load.  Seems like big differences from one side to the other is going to put a lot of excess stress on the axle and differential.

8Ds are about 165 lbs each.  They are tough to install.
Roger Engdahl and Susan Green
2001 U320 3610 #5879 (Home2) - 2014 Jeep Cherokee or 2018 F150
Hastings, MN

Re: Coach Weight

Reply #8 –
Quote from: Caflashbob –
At 600 to 1,000 pounds difference the tire pressure should reflect the actual load on that tire per the chart I would think.

Looked at the specific Michelin chart for my exact tires and weight without knowing left to right and I am about 2 high on the front and five on the rear at 90 rear and 100 front.

Sorry, INCORRECT.

All tires on an axle should carry the SAME PSI BASED ON THE HEAVIER WHEEL POSITION.  Same recommendation from all tire manufacturers.
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: Coach Weight

Reply #9 –
Quote from: wolfe10 –
Sorry, INCORRECT.

All tires on an axle should carry the same PSI BASED ON THE HEAVIER WHEEL POSITION.  Same for all tire manufacturers.

great. They cannot be wrong that way.
"Riding and rejoicing"
Bob
1997 U320 40' Mid entry, build 5132,  wtbi ce27, 4th owner
2007 Solara convertible
2 prodeco tech outlaw ss electric bikes

1095 watts solar
08 Ls 460 and a sc430
2000 Ford F-250 superduty 4x4