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10-01-2017, 04:23 PM
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#1
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Member
Join Date: Mar 2016
Posts: 42
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proper tire pressure for 3326
We own a TM 3326 with new Goodyear Endurance ST215/75R14 tires. Discount Tire inflated them to 60 lbs. Max pressure is 65 lbs. The TM manual says 14" tires should be inflated to 50 lbs. Can anyone clear up my confusion?
Stewart Crane
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Stewart Crane
Loudon, TN
2008 TM 3326
2013 Ford F-150 SuperCrew
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10-01-2017, 04:51 PM
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#2
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Member
Join Date: Mar 2016
Posts: 42
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question answered
Found the tire specs decal on the side of the TM
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Stewart Crane
Loudon, TN
2008 TM 3326
2013 Ford F-150 SuperCrew
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10-01-2017, 08:10 PM
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#3
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TrailManor Master
Join Date: Sep 2010
Location: Jo-juh
Posts: 420
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Quote:
Originally Posted by SMCrane1554
We own a TM 3326 with new Goodyear Endurance ST215/75R14 tires. Discount Tire inflated them to 60 lbs. Max pressure is 65 lbs. The TM manual says 14" tires should be inflated to 50 lbs. Can anyone clear up my confusion?
Stewart Crane
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Quote:
Originally Posted by SMCrane1554
Found the tire specs decal on the side of the TM
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Use max according to tire sidewall, IMHO.
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Mark
'20 Ford F250 Lariat 6.7 L 4WD (Herschel)
'22 Keystone Cougar 32BHS 5er (Mellencamper)
'01 Ford Excursion Limited 7.3 L PSD 4WD (Rudolph) (Sold)
'18 Keystone Cougar 29BHS (Sold)
'15 Prime Tracer 25BHS (Traded)
'06 TrailManor 2619 (Traded)
:cwmddd:
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10-01-2017, 08:35 PM
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#4
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TrailManor Master
Join Date: Jan 2014
Location: Somerset, OH
Posts: 1,868
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I have the same tire. I inflate them to 65. But if I was not driving at times over 65 MPH, I would inflate them to 55 PSI. But I run my tires with extra PSI's
The right answer is read the goodyear tire chart below and calculate what your PSI should be. You should inflate them to the right PSI per the load that you will be carrying on each tire. Don't forget to reduce your tongue weight.
Goodyear a few years ago had a service bulletin stating that if you were going to travel faster then 65 MPH to add 10 PSI to the inflation chart. That is what I have done with my tires because at time to time im over 65
MPH.
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Art & Joyce
Current camper: Motor Home
Previous: 2009, 3023-QB and 2003 2720
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10-01-2017, 10:26 PM
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#5
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TrailManor Master
Join Date: Jan 2014
Posts: 893
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I guess the 14 inch rim is load-range "D" then. I have the 15 inch one and it's load range "E", and has this big honking "80 PSI" in a circle molded into the sidewall! Discount Tire pumped it up to 70. I pumped it up to 80. I think the side in the sun got to 94 PSI when being pulled on a hot day. I have steel rims and can't find a pressure rating for them.
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10-02-2017, 07:32 AM
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#6
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TrailManor Master
Join Date: Apr 2014
Location: Orlando
Posts: 2,796
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At 80 psi a tire has no compliance and will rattle everything inside the trailer. 65 has some and is the peak for LR D. At 65 mine have a load rating well over 4,000 lbs.
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Looking for a 24/17 in or near Florida.
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07-22-2018, 11:37 AM
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#7
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Member
Join Date: Mar 2016
Posts: 42
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Quote:
Originally Posted by tentcamper
I have the same tire. I inflate them to 65. But if I was not driving at times over 65 MPH, I would inflate them to 55 PSI. But I run my tires with extra PSI's
The right answer is read the goodyear tire chart below and calculate what your PSI should be. You should inflate them to the right PSI per the load that you will be carrying on each tire. Don't forget to reduce your tongue weight.
Goodyear a few years ago had a service bulletin stating that if you were going to travel faster then 65 MPH to add 10 PSI to the inflation chart. That is what I have done with my tires because at time to time im over 65
MPH.
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If the load is per tire, should we divide the load by the number of tires on the Trailmanor? For example, if my TM weighs 3500 lbs, and it has 4 tires, wouldn't the load be 875 lbs/tire?
Thanks,
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Stewart Crane
Loudon, TN
2008 TM 3326
2013 Ford F-150 SuperCrew
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07-23-2018, 08:47 AM
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#8
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TrailManor Master
Join Date: Jan 2014
Location: Somerset, OH
Posts: 1,868
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The best way, is to get the weight on each tire is with a scale. You will not find the weight on all 4 tires the same because of the balance and load. Since most people, including myself never get the weight of each tire. I'm sure a TM the street side is much heavier with the fridge, kitchen sink, bathroom, water on the street side.
If you don't know the weight on each tire. I think it is recommended to use: Load less tongue weight, divided by numbers of tires, times somewhere between 1.15 and 1.25to to adjust for the load and balance and to have a safety factor. I use 130.0%
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Art & Joyce
Current camper: Motor Home
Previous: 2009, 3023-QB and 2003 2720
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06-27-2022, 07:56 PM
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#9
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Member
Join Date: May 2022
Posts: 17
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Didn’t the 3326 come with 13” tires? Did you have to install a lift for the 14” ?
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06-27-2022, 08:59 PM
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#10
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TrailManor Master
Join Date: Aug 2015
Location: Rochester, NY
Posts: 1,894
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Quote:
Originally Posted by robtherod
Didn’t the 3326 come with 13” tires? Did you have to install a lift for the 14” ?
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Depends on the year. My 2007 3326 has 14” wheels. Later ones might’ve had 15” wheels. You might really be overthinking this upgrade. What size are your 13” tires?
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2007/21 TM 3326 (Pride of the Fleet)
2000 2720SL (Rebuild Project)
2002 2619 (Parts TM)
SMARTER THAN GOOGLE!
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