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Sailun 637

StirCrazy
Moderator
Moderator
just trying to find out how many people are running the sailun 637 st tires on their rigs on the factory rims. I am trying to find out what pressure people are running them at and if you have had any issues. one tire guy told me they would wear down the bead section of the alloy rim and I was just wondering if that is true.

thanks
Steve
2014 F350 6.7 Platinum
2016 Cougar 330RBK
1991 Slumberqueen WS100
40 REPLIES 40

Cummins12V98
Explorer III
Explorer III
4x4ord wrote:
Factory rims โ€ฆ. My trailer came with G rated Michelins.

Iโ€™ve considered inflating them to 5psi over the inflation chart recommendation which would put me at about 70 psi, but, because Citation recommends 110 and I donโ€™t really know much about it I figured Iโ€™d follow Citationโ€™s recommendation.

Click


You are way overinflated if 70 is the real number.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

sayoung
Explorer
Explorer
3 years & no issues @ 90psi

4x4ord
Explorer III
Explorer III
Factory rims โ€ฆ. My trailer came with G rated Michelins.

Iโ€™ve considered inflating them to 5psi over the inflation chart recommendation which would put me at about 70 psi, but, because Citation recommends 110 and I donโ€™t really know much about it I figured Iโ€™d follow Citationโ€™s recommendation.

Click
2023 F350 SRW Platinum short box 4x4.
B&W Companion
2008 Citation Platinum XL 34.5

Cummins12V98
Explorer III
Explorer III
Use the weight/inflation chart plus 5psi and you will be GOLDEN.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

Rigdon
Explorer
Explorer
7 yeats on my first set, now on my second. This includes two trips to Alaska with only a low tire from a screw from the road.
Steve & Karen

Carl_n_Susan
Nomad II
Nomad II
4+ years on the first set and now 3 years on the second running at 105 P.S.I. on stock rims. No problems.
Temp Signature1
Second Line
Third line
Fourth Line

Edd505
Explorer
Explorer
I have them on a 14K 5W for about 3 years. These are actually about 2 years as the first set was under recall so I have a free year on Sailuns. I have had them in stow & rain and they track well. (snow was no intentional freak storm on Wolf Creek Pass.
2015 F350 FX4 SRW 6.7 Crew, longbed - 2017 Durango Gold 353RKT
2006 F350 SRW 6.0 crew longbed sold
2000 F250 SRW 7.3 extended longbed airbags sold
2001 Western Star 4900EX sold
Jayco Eagle 30.5BHLT sold, Layton 24.5LT sold

Lantley
Nomad
Nomad
I'm on my 2nd set. Ran my first set a 110 psi for 7 years. I noticed what I believe was wear form over inflation. Granted this wear did not show itself until 7 years later.
On my current 2nd set of 637's I inflate to 95-100 PSI.
19'Duramax w/hips, 2022 Alliance Paradigm 390MP >BD3,r,22" Blackstone
r,RV760 w/BC20,Glow Steps, Enduraplas25,Pedego
BakFlip,RVLock,Prog.50A surge ,Hughes autoformer
Porta Bote 8.0 Nissan, Sailun S637

cummins2014
Explorer
Explorer
I am on my second set , ran the first set on stock rims on my previous fifth wheel 2008 Montana. 95-100 psi . they were close to aging out ,5 years old ,no issues . Lost one to what was determined a road hazard , no blowout . Present fifth wheel have had them on for nearly 3 years ,no issues. Stock rims 95-100 psi .

momentum_rv
Explorer
Explorer
I've been running Sailuns for 7+ years and on my second set. No issues with stock wheels running at 100psi. I've never heard of the bead issue either.
2015 Grand Design Momentum 385TH
2015 Ford F-350 DRW 4x4 Lariat

fj12ryder
Explorer III
Explorer III
My present set has only been on for about a year, no issues of course. The other set was on a different trailer and they lasted 6 years. I sold the trailer so I don't know if they're still in use. The previous trailer was a triple axle and I ran the pressure at 90 psi, but only running about 2,500 lbs/tire. The present trailer has around 3,500 lbs./tire so I'm running them 105-110 psi.

Since there is no movement, I don't see how they could "wear down" the bead section. I'd need some clarification on that from that "tire guy", but I've never heard of any such issue with them.
Howard and Peggy

"Don't Panic"