Sailun S637T

The Sailun S637T is a tough, all-steel trailer tire built to handle heavy loads with stability and control. Designed for RVs, fifth-wheels, utility trailers, and boat haulers, it provides dependable highway performance and long-lasting durability for frequent towing.

Its five-rib tread design helps maintain straight-line tracking and even wear, while the solid shoulder construction improves stability and reduces irregular tread patterns. Full-depth sipes enhance wet-weather traction, and the steel-belted casing delivers strength and heat resistance under demanding conditions. The S637T’s low-rolling-resistance compound also promotes fuel efficiency and cooler running for longer tire life.

Best suited for: Heavy-duty trailers, RVs, horse trailers, and boat haulers used in highway and regional service.

Tire Features:

• All-steel construction supports heavy loads and durability

• Five-rib tread pattern promotes stability and even wear

• Full-depth sipes improve grip in wet conditions and enhance cooling

• Solid shoulders reduce irregular wear for smoother performance

• Low-rolling-resistance design improves fuel efficiency and tread life