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08-09-2020, 07:43 PM
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#1
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Senior Member
Join Date: Jun 2020
Location: Greeneville, Tennessee
Trailer: 2017 5.0TA
Posts: 225
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Current tires
Been watching orientation videos, in one it was mentioned that beginning in2018 tires on all models have been upgraded to 8 ply. No, mention if they are "D's". Are they? I have not seen any mention of tire failures, but maybe I had better do a search.
Tom
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08-09-2020, 08:41 PM
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#2
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Senior Member
Join Date: Sep 2013
Location: SLO County, California
Trailer: 2014 Escape 21C 2019 Expedition
Posts: 5,213
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Yes- D rated ST tires are "8ply". With Goodyear Endurance D rated are the lowest one can buy. Doesn't mean you have to fill them to 65 psi. For a light trailer like Escape 55 is more than adequate. Otherwise you shake things more inside needlessly.
__________________
"We gotta get as far away as we can!"
- Russell Casse, Independence Day
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08-09-2020, 11:15 PM
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#3
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Senior Member
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 14,935
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"8-ply" is actually 8-ply rating, and simply means Load Range D. These tires certainly do not have 8 plies of cord, and haven't for decades. The ply rating is obsolete.
- 2-ply rating = Load Range A, max ~24 PSI (not used any more)
- 4-ply rating = Load Range B, max ~32 PSI (standard for cars)
- 6-ply rating = Load Range C, max ~50 PSI (typical for lighter trucks and trailers)
- 8-ply rating = Load Range D, max ~65 PSI (typical higher rating for small trailers)
- 10-ply rating = Load Range E, max ~80 PSI (typical higher rating for pickup trucks and 16" wheel trailers)
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08-10-2020, 12:24 PM
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#4
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Senior Member
Join Date: Jun 2020
Location: Greeneville, Tennessee
Trailer: 2017 5.0TA
Posts: 225
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Thanks folks, my question has been answered.
Tom
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08-10-2020, 01:50 PM
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#5
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Senior Member
Join Date: May 2019
Location: Sarita, Texas
Trailer: 2019 Escape 21
Posts: 518
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Quote:
Originally Posted by Brian B-P
"8-ply" is actually 8-ply rating, and simply means Load Range D. These tires certainly do not have 8 plies of cord, and haven't for decades. The ply rating is obsolete.
- 2-ply rating = Load Range A, max ~24 PSI (not used any more)
- 4-ply rating = Load Range B, max ~32 PSI (standard for cars)
- 6-ply rating = Load Range C, max ~50 PSI (typical for lighter trucks and trailers)
- 8-ply rating = Load Range D, max ~65 PSI (typical higher rating for small trailers)
- 10-ply rating = Load Range E, max ~80 PSI (typical higher rating for pickup trucks and 16" wheel trailers)
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Been meaning to say this for some time. Your knowledge of so many subjects is nothing short of amazing. Kudos!
Maybe you could tell me where that rascal is who has two women.
See below.
__________________
Why have I never heard of a 'Physic' winning the lottery?
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08-22-2020, 11:05 AM
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#6
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Senior Member
Join Date: Jul 2018
Location: Minneapolis, Minnesota
Trailer: 2019 5.0 TA
Posts: 864
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Quote:
Originally Posted by 75thRanger
Been meaning to say this for some time. Your knowledge of so many subjects is nothing short of amazing. Kudos!
See below.
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And me as well, I often wonder who this person (Brian B-P) is. Brian, how about a short "autobiography" under "About Me" in your profile?
__________________
The Sweet Suite
Ronn and Colleen
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08-22-2020, 11:33 AM
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#7
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Senior Member
Join Date: Apr 2017
Location: DFW, Texas
Trailer: 2018 21 Sept 7 2018
Posts: 1,073
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Brain in a know it all here thank goodness we have him and others that help us thru projects and trouble shooting electrical and plumbing issues that arise.
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08-22-2020, 11:53 AM
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#8
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Senior Member
Join Date: Jul 2012
Location: Burlington, Vermont
Trailer: 2014 17b/ 2012 Chevy Colorado
Posts: 736
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We went with D rated tires as the C range was not available. Found out later it would be a harsher ride--should have seen that coming with the higher pressure. Ride in our 17B is harsh enough as is.
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08-22-2020, 12:57 PM
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#9
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Senior Member
Join Date: Sep 2013
Location: SLO County, California
Trailer: 2014 Escape 21C 2019 Expedition
Posts: 5,213
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Goodyear Endurance Inflation Chart
You can inflate them as low as 25 lbs.; it is a function of load. Many tire salespeople are likely unaware of this.
https://www.goodyearrvtires.com/pdfs/rv_inflation.pdf
__________________
"We gotta get as far away as we can!"
- Russell Casse, Independence Day
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08-22-2020, 04:06 PM
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#10
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Senior Member
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 14,935
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Quote:
Originally Posted by yardsale
We went with D rated tires as the C range was not available. Found out later it would be a harsher ride--should have seen that coming with the higher pressure. Ride in our 17B is harsh enough as is.
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The fix is simply to use the pressure that you would use with a Load Range C tire.
A common bit of advice is to always inflate trailer tires to the maximum pressure shown on the sidewall. This is based on the assumption that trailers are typically equipped with tires of barely enough capacity, so they need nearly that pressure... which is not true on any Escape, and particularly one for which a Load Range C tire would be fine but is equipped with a Load Range D tire of the same size.
Quote:
Originally Posted by Rossue
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Very true.
In that table (or any other company's equivalent... it's an industry standard published by the Tire & Rim Association) there is only one row for each size - the only difference between load ranges is how much pressure can be used and as a result how much load can be carried (as a result of different internal construction, of course). A Load Range D tire inflated to the maximum pressure for a Load Range C tire (50 PSI in this size) is effectively just a Load Range C tire with extra reinforcement making it slightly heavier, harsher, and tending to heat up more.
This is clear in the tables for Goodyear's UNISTEEL G614 RST and G670 RV models, which show the pressure and load capacity for the various load ranges with the load range in brackets (but those models are not ST tires so they have different limits). They don't show this for the Endurance ST tires, presumably because the only make the tire in one load range. It's more apparent in the equivalent Maxxis table, which shows the capacities and inflation limits for Load Range B, C, D, and E... up to the highest load range which they offer in each size.
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09-11-2020, 06:14 PM
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#11
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Senior Member
Join Date: Jul 2020
Location: Victoria, Texas
Trailer: 21C Jan. 15, 2021
Posts: 358
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What is the tire size on the new 21C?
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09-11-2020, 09:44 PM
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#12
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Senior Member
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 14,935
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Quote:
Originally Posted by Dcboyd
What is the tire size on the new 21C?
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Escape has used the same size of tire (ST205/75R15) on all models for quite a while, and I haven't heard of a recent change.
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09-12-2020, 09:20 AM
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#13
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Member
Join Date: Dec 2016
Location: Hickory Creek, Texas
Trailer: Casita 17' SD former 2020 21C current
Posts: 39
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2020 21C tire size
My new 2020 21C came with ST 205 75R 15 tires. so no change.
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09-12-2020, 03:48 PM
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#14
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Member
Join Date: Sep 2020
Location: Palacios, Texas
Trailer: 2021 Escape 5.0
Posts: 55
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What speed rating are the 'D' tires installed on new Escapes? Also the lug nut socket size. Metric or SAE? We're still in the waiting room for our 5.0. Thanks, Matt & Pat
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09-13-2020, 10:02 AM
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#15
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Senior Member
Join Date: Jul 2020
Location: Victoria, Texas
Trailer: 21C Jan. 15, 2021
Posts: 358
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I saw a pict of the new tires on the 21C. They are made in China. All I need to know. I will have a brand new set of new tires for sale when my 21C comes in Dec.
https://mechanicbase.com/tires/tire-...id-purchasing/
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09-13-2020, 11:13 PM
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#16
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Senior Member
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 14,935
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Quote:
Originally Posted by Steveanson
Also the lug nut socket size. Metric or SAE?
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North American trailer hardware in general hasn't changed much in half a century... so there are no metric parts. Dexter hubs of this range typically have (and in Escape's case do have) 1/2" threaded studs, so the corresponding nuts are SAE (typically a 13/16" hex size).
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