Alliance 55100015 551 Multiuse Professional R-3 400/80R24 Steel-Belted Radial Tire 144/149D/A8

The Alliance 551 Multiuse Professional R-3 (Part #55100015) is a steel-belted radial tire in size 400/80R24, purpose-built for tractors and agro-industrial machines that spend significant time operating on hard road surfaces. With dual load/speed ratings of 144/149D/A8 and a tubeless (TL) construction, this R-3 tread pattern tire delivers reliable performance across a wide range of industrial and agricultural working conditions.

Key Features:

• R-3 Tread Pattern – Engineered for machines that primarily work on hard-packed roads and firm surfaces, offering a smooth, low-vibration ride while maintaining traction
• Steel-Belted Radial Construction – Robust steel belt package provides superior puncture resistance, uniform ground pressure distribution, and extended tread wear life
• Siped Tread Blocks – Unique tread design with sipes enhances grip on wet, dry, and snow-covered surfaces for year-round reliability
• Special Compound Formulation – Engineered for performance in extreme low temperatures, ensuring consistent operation in cold-weather environments
• Tubeless Design – Reduces maintenance requirements and the risk of sudden air loss compared to tube-type alternatives
• Black Sidewall (BSW) – Standard black sidewall finish

Specifications:

• Size: 400/80R24 (equivalent to 14.9R24)
• Load Index / Speed Rating: 144/149 D/A8
• Tread Type: R-3 (Hard Surface / Road)
• Construction: Steel-Belted Radial
• Sidewall: Black Sidewall (BSW)
• Rim Size: 24 inches
• Manufacturer Part Number: 55100015

The Alliance 551 Multiuse Professional R-3 is an excellent choice for industrial tractors, municipality equipment, and agro-industrial machines requiring a durable, road-capable tire with proven all-weather traction and long service life.