Firestone 012716 FS561A Commercial Truck Tire 275/70R22.5 146/143L 18 Ply

The Firestone FS561A is a heavy-duty all-season commercial truck tire engineered specifically for steer axle applications on highway trucks, buses, and motorhomes. This tire delivers dependable performance in all weather conditions with a proven ribbed tread design.

Key Features:

• Size: 275/70R22.5 with load index 146/143L (dual load capacity: 6,614/6,008 lbs)
• Load Range J (18 ply rating) construction for maximum durability
• Overall diameter: 37.7 inches for proper clearance and gearing
• Tread depth: 19/32 inch for extended service life
• Speed rating L (up to 75 mph) suitable for highway use
• Black sidewall design for professional appearance

Performance Benefits:

• Ribbed tread pattern maintains constant road contact for enhanced steering response and stability
• Deep circumferential grooves effectively evacuate water and slush to resist hydroplaning
• All-season compound remains flexible in both hot and cold temperatures for consistent traction
• Siping throughout the tread provides additional biting edges for improved grip on wet surfaces
• Optimized pressure distribution across the footprint promotes even wear and extends tread life
• Durable construction resists irregular wear patterns common in commercial applications

This tire is designed exclusively for steer axle mounting positions and provides the precise handling characteristics required for safe commercial vehicle operation. The FS561A combines Firestone's commercial tire expertise with modern tread technology to deliver reliable performance mile after mile.