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  1. #31
    Seasoned Camper SilentService's Avatar
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    Quote Originally Posted by bertschb View Post
    I'm not an expert at anything RV related so take my opinions with a large grain of salt...

    1. if the rims are rated for 123psi and the Sailuns are 110psi cold, is it a concern if they exceed the rating of the rims at 123psi when they warm up on a hot day?
    I wouldn't be concerned about it. I replaced the "E" rated tires on my Reflection with 110psi "G" rated tires. No problems with several thousand miles of towing.

    2. are the Sailuns overkill, if there is such a thing, for the trailer?
    The "G" rated Sailun S637 might be overkill for an RV under, say, 10,000lbs GVWR because it would cause a harsher ride but not for your Reflection 307MKS at 12,995lbs GVWR.

    3. should I just stick with the Goodyear Endurance?
    The Goodyear Endurance tires are an excellent "E" rated tire but IMO, your RV is pretty heavy for "E" rated tires. I'd choose the Sailun S637 because of the weight of your RV.[/QUOTE]

    Thanks for the quick response! You have some very valid advise, especially the weight factor, and I may end up purchasing the Sailun tires. Plus I will save a few bucks doing so.
    Tim & Lori
    2016 Ford F-350 SRW 6.7L Platinum/60 gal Titan tank
    2018 Reflection 307 MKS
    Anderson Ultimate Hitch
    Haloview MC7108 rear and side cameras
    TST 507 4 Sensor Tire Monitoring System with Color Display

  2. #32
    Site Team Second Chance's Avatar
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    Quote Originally Posted by SilentService View Post
    Thanks for your response Rob. The trailer came with the Westlake "E" rated tire and the rim is 16. I wish it came with the Goodyears!
    In that case, I'd put some Sailun S637s on it and inflate to the Sailun pressure chart per your wheel weights.

    Rob
    U.S. Army Retired
    2012 F350 DRW CC LB Lariat PS 6.7
    2020 Solitude 310GK-R, MORryde IS, disc brakes,
    Sailun LRG tires, solar, DP windows, W/D
    (Previously in a Reflection 337RLS)
    Full time since 08/2015

  3. #33
    Left The Driveway
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    Sailun Tires, made in China by a Chinese company. A cheap tire with soft rubber. I had a set that came with a used vehicle I purchased. They wondered and did not wear evenly. I am happy to support American Companies. My neighbor bought a set after a blow out with his original tires that occurred after three years and a few thousand miles. He seems to like them, but complained about his trailer not tracking straight over a grooved roadway.
    I will stick with the big boys and happily support American Companies. There are plenty of them.

  4. #34
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    Load range

    One issue to check when changing the load range is having to deal with a larger tire. Moving to a heavier load range tire on the Solitude meant going to a larger circumference tire. The tire shop said they would work but advised against it due to their size and clearance. Something to consider about the tire fitting and the honesty of the shop.

  5. #35
    Site Team Second Chance's Avatar
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    Quote Originally Posted by cdp2966 View Post
    Sailun Tires, made in China by a Chinese company. A cheap tire with soft rubber. I had a set that came with a used vehicle I purchased. They wondered and did not wear evenly. I am happy to support American Companies. My neighbor bought a set after a blow out with his original tires that occurred after three years and a few thousand miles. He seems to like them, but complained about his trailer not tracking straight over a grooved roadway.
    I will stick with the big boys and happily support American Companies. There are plenty of them.
    I've had two sets of Sailun S637s on two different fifth wheels with absolutely no issues. If they were such a bad tire, why would so many trucking fleets use them on their 18-wheelers? They don't want extra problems.

    Rob
    U.S. Army Retired
    2012 F350 DRW CC LB Lariat PS 6.7
    2020 Solitude 310GK-R, MORryde IS, disc brakes,
    Sailun LRG tires, solar, DP windows, W/D
    (Previously in a Reflection 337RLS)
    Full time since 08/2015

  6. #36
    Long Hauler bertschb's Avatar
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    Quote Originally Posted by cdp2966 View Post
    Sailun Tires, made in China by a Chinese company. A cheap tire with soft rubber....I will stick with the big boys and happily support American Companies. There are plenty of them.
    The Sailun S637 is an excellent tire with very heavy steel belt construction. I, too, would much rather support an American company with made in the USA tires. The problem is the primary US made G rated trailer tire is the Goodyear G614 and it only has a load index rating of 126 (3,748lbs). The 235/85R16 Sailun S637 has a load index rating of 132 (4,409lbs). That is a huge difference and the single reason why I bought the S637 tires for my last Solitude.

    I used G614's on my lighter Reflection 5th wheel with good results but if I'm buying tires for my heavier Solitude, they will be S637's. Hopefully some day an American tire company will make a 16" trailer tire with a load index rating of 132. Until then, Sailun owns the market.
    Brian & Kellie
    2020 Solitude 310GK-R, FBP, 1,460w solar, 540ah BBGC3, MORryde IS w/disc brakes
    2020 F-350 Platinum SRW Powerstroke Tremor, 60g TF fuel tank, Hensley BD3-F air bag hitch

    Previous setups:
    2019 Solitude 373FB-R, 2019 F-350 Platinum DRW Powerstroke, Hensley BD5 air bag hitch
    2016 Reflection 318RST, 2016 GMC 3500 Denali SRW Duramax, Hensley BD3 air bag hitch

  7. #37
    Seasoned Camper
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    Adding to thread as I have been searching and am struggling to find the answer.

    I just ordered 4 Sailun 637 G rated (235 80R16) for my 2020 31MB for install tomorrow. Have the E rated Westlakes on there now.

    I am starting to think I read somewhere that the wheel may not support this tire. Do I remember that correctly?

    And....where the heck is that Sailun pressure table posted? I have found one for their trucks but cannot seem to find the one that references the pressures for my tire size.

    Sorry for asking about what is clearly already posted somewhere, but I cannot seem to find it.


    Sent from my iPad using Tapatalk
    2020 Reflection 31MB
    2016 Ram 2500 Cummins

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