CATERPILLAR 077-3388 BOLT-12 Point HD 0773388

Caterpillar 077-3388 Bolt – 12 Point HD: OEM-Grade Heavy-Duty Fastening Solution for Articulated Dump Trucks and Challengers

The Caterpillar 077-3388 Bolt is a precision-engineered 12-point heavy-duty fastener designed to meet the rigorous demands of Caterpillar articulated dump trucks and Challenger series machinery. Compatible with models including the D250E II, D300E II, D400D articulated dump trucks, and various Challenger models such as the 65B, 75C, 85C, and 95E, this bolt ensures optimal drivetrain integrity under extreme load conditions. Manufactured from high-grade alloy steel with advanced metallurgy treatments, the bolt features a robust diameter and thread pitch engineered to withstand high torque applications and resist fatigue, corrosion, and wear in harsh operational environments.

This 12-point bolt is critical for maintaining structural stability and performance in heavy equipment drivetrain assemblies, offering superior clamping force and enhanced load distribution compared to conventional hex bolts. Its precision-machined 12-point head allows for better torque application and reduced risk of rounding, ensuring reliable maintenance and serviceability. The Caterpillar 077-3388 bolt’s durability and OEM-grade quality contribute to prolonged equipment life, minimizing downtime and costly repairs. Ideal for use in articulated dump trucks, cold planers, drills, and other heavy machinery, this bolt is a trusted component for professionals demanding uncompromising performance and reliability.

🔗 For genuine Caterpillar 077-3388 Bolt – 12 Point HD and detailed specifications, visit Caterpillar 077-3388 Bolt product page.

Optimize your heavy equipment maintenance with this essential Caterpillar drivetrain fastener, engineered for durability, precision, and peak performance under the toughest working conditions.