Galaxy 518578 EarthPro Bias R-1 20.8-38 148A8 Agricultural Tractor Tire

The Galaxy EarthPro Bias R-1 20.8-38 is a purpose-built agricultural rear tractor drive tire engineered for superior traction in demanding field conditions. Designed with a 23-degree bar tread pattern, this R-1 tire delivers maximum bite in soft soil and muddy terrain while maintaining reliable performance across a variety of field surfaces.

Key Features:

• 23-degree tread bar design optimized for maximum traction in soft soil and mud
• Distinctive terracing between lugs enhances self-cleaning to maintain constant grip in wet and muddy conditions
• State-of-the-art neutral casing mold design minimizes casing stress from under-inflated to fully inflated states for long-term durability
• Bias-ply construction provides a robust, flexible carcass suited to heavy agricultural loads
• Tubeless (TL) design for simplified maintenance
• Load Index 148 / Speed Rating A8 — rated up to 25 mph under load
• 10-Ply Rating (Load Range E) for heavy-duty field and transport use

The Galaxy EarthPro R-1 is part of Galaxy's Application Specific, Purpose Built tire philosophy — engineered by Yokohama Off-Highway Tires (YOHT) to deliver superior traction, long service life, and outstanding value in agricultural applications. The 20.8-38 size is a common fitment for large row-crop and utility tractors requiring dependable rear-drive traction.