What towing applications is the Sailun S637 used for?

The Sailun S637 is a good choice for RVs, larger boat trailers, fifth wheels and other heavier towing used.

Is the Sailun S637 durable?

Yes, the Sailun S637 is durable. Steel belted construction gives the S637 a long service life and heavy load capacity.

Does the Sailun S637 have good traction in the rain?

Yes, the Sailun S637 has good traction in the rain. The S637's four deep tread grooves and sipe pattern offer great traction in wet weather.

Is the Sailun S637 usable for other axles?

No, the Sailun S637 is not usable on other axles. The S637 is purpose built as a trailer tire.

Is the Sailun S637 usable as a light truck tire?

No, the Sailun S637 is not usable as a light truck tire. The S637 is purpose built as a trailer tire and shouldn't be used for vehicles.

Is the Sailun S637 usable for commercial service?

Yes, the Sailun S637 is usable for commercial service. The S637 is a good choice for tractor-trailers in local or regional service.

Does the Sailun S637 track well?

Yes, the Sailun S637 does track well. The tread design of the S637 is designed for easy, stable towing of heavy trailers.

Is the Sailun S637 designed to save fuel?

Yes, the Sailun S637 is designed to save fuel. Several features of the Sailun S637 are designed for low rolling resistance.

Wheels not included with purchase of tires

S637

Name: S637
Brand: Sailun
SKU: 8244379
Rating: 4.5 (95 reviews)

Commercial Position: All Position

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95 Reviews

84 on SimpleTire11 from Google Shopping

4.5

out of 5

Write a review

Would you buy again?89%

Dry
4.7 out of 5
Wet
4.5 out of 5
Winter
4.1 out of 5
Comfort
4.6 out of 5
Noise
4.5 out of 5
Treadwear
4.4 out of 5

Monte Rowland

Verified Customer

Mar 1, 2021

We purchased/upgraded to these tires for our fifth wheel trailer. The stock tires had a flat spot on two of the tires and where not rated...

William Scott

Verified Customer

Apr 14, 2021

I've recommended your company and the tires I bought to everyone who's looking for new tires.

Leonard Hill

Verified Customer

Jun 26, 2020

James Nance

Verified Customer

Jun 17, 2020

We run these as fronts on F550 Bucket Trucks with S737's on rears. Just bought 16 from another source; commenting here while checking p...

Verified Customer

Feb 14, 2015

Bought these tires for my Class A RV which is a Fleetwood Discovery 37V. Run about 100lbs in the tires each and they have been great runn...

Paul

Verified Customer

I purchased 4 Sailun tires for my 5th-wheel after hearing many good things about these tires. We just traveled from South Texas to Ottawa...

Larry Gay

Verified Customer

A little too soon to give a 100% rating. But, these are very good tires so far.

sidney nelson

Verified Customer

Jul 13, 2019

Blew another G 614 So went with 4 S637 in 235/85/16 Drove home 350 miles they were the smoothest straightest miles I have ever towed Ju...

See all customer reviews for s637 tires

Get technical:

Sailun's S637 is a regional, all-position commercial tire that's designed to offer drivers exceptional stability.

Features & Benefits

Tread is designed for commercial use
Black sidewall
Tread design reduces rolling resistance to improve fuel efficiency

An all-position, regional tire, the S637 from Sailun offers commercial drivers improved traction in wet conditions along with a prolonged tread life. Five extra-wide ribs increase stability at all speeds, and the S637's tread groove wall improves traction while also reducing irregular wear.

10.00R22.5 141M
$359.99
Label Value
Width 10.00
Ratio R
Inflation Pressure 115
Tread Depth 19.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
255/70R22.5 140M
$305.99
Label Value
Width 255
Ratio 70R
Inflation Pressure 120
Tread Depth 17.00
Width Range NA
Sidewall NA
Tread Width NA
Sidewall NA
275/70R22.5 148M
$377.99
Label Value
Width 275
Ratio 70R
Inflation Pressure 130
Tread Depth 19.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
275/70R22.5 148M
$414.99
Label Value
Width 275
Ratio 70R
Inflation Pressure NA
Tread Depth 18.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
9.00R22.5 136M
$321.99
Label Value
Width 9.00
Ratio R
Inflation Pressure 0
Tread Depth 18.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	10.00
Ratio	R
Inflation Pressure	115
Tread Depth	19.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	255
Ratio	70R
Inflation Pressure	120
Tread Depth	17.00
Width Range	NA
Sidewall	NA
Tread Width	NA
Sidewall	NA

Label	Value
Width	275
Ratio	70R
Inflation Pressure	130
Tread Depth	19.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	275
Ratio	70R
Inflation Pressure	NA
Tread Depth	18.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	9.00
Ratio	R
Inflation Pressure	0
Tread Depth	18.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

215/75R17.5 135/133L
$191.99
Label Value
Width 215
Ratio 75R
Inflation Pressure 125
Tread Depth 16.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
215/75R17.5 135L
$214.99
Label Value
Width 215
Ratio 75R
Inflation Pressure 80
Tread Depth 16.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
235/75R17.5 143/141L
$226.99
Label Value
Width 235
Ratio 75R
Inflation Pressure 125
Tread Depth 17.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
235/75R17.5 143L
$250.99
Label Value
Width 235
Ratio 75R
Inflation Pressure 0
Tread Depth 17.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
245/70R17.5 143J
$244.99
Label Value
Width 245
Ratio 70R
Inflation Pressure 125
Tread Depth 17.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall

Label	Value
Width	215
Ratio	75R
Inflation Pressure	125
Tread Depth	16.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	215
Ratio	75R
Inflation Pressure	80
Tread Depth	16.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	235
Ratio	75R
Inflation Pressure	125
Tread Depth	17.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	235
Ratio	75R
Inflation Pressure	0
Tread Depth	17.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

Label	Value
Width	245
Ratio	70R
Inflation Pressure	125
Tread Depth	17.00
Width Range	NA
Sidewall	Blackwall
Tread Width	NA
Sidewall	Blackwall

225/70R19.5 128L
$216.99
Label Value
Width 225
Ratio 70R
Inflation Pressure 110
Tread Depth 16.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
225/70R19.5 128L
$246.99
Label Value
Width 225
Ratio 70R
Inflation Pressure NA
Tread Depth 16.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
245/70R19.5 133M
$233.99
Label Value
Width 245
Ratio 70R
Inflation Pressure 110
Tread Depth 17.00
Width Range NA
Sidewall NA
Tread Width NA
Sidewall NA
245/70R19.5 136M
$248.99
Label Value
Width 245
Ratio 70R
Inflation Pressure 95
Tread Depth 16.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall
265/70R19.5 140M
$279.99
Label Value
Width 265
Ratio 70R
Inflation Pressure NA
Tread Depth 17.00
Width Range NA
Sidewall Blackwall
Tread Width NA
Sidewall Blackwall