Caterpillar 140-4784 Pin-Cotter – OEM-Grade Durability for Excavators & Off-Highway Trucks
The Caterpillar 140-4784 Pin-Cotter is a precision-engineered fastening component designed for heavy-duty applications in Caterpillar excavators and off-highway trucks. Compatible with models such as the 1FG-E240, 3FG-E110, 1LF-E120, and 1NF-E140 excavators, as well as SHH-789D, SPD-789D, and FDB-793D off-highway trucks, this pin-cotter ensures secure locking under extreme load conditions. Manufactured from high-strength alloy steel with corrosion-resistant metallurgy, it maintains structural integrity in harsh mining and construction environments. The pin diameter and length are optimized to fit exact OEM specifications, guaranteeing seamless integration with the drivetrain and suspension assemblies.
Engineered for superior performance, the 140-4784 Pin-Cotter withstands repetitive stress and vibration, preventing loosening and component failure. Its precision machining enhances fit tolerance, reducing wear on mating parts and extending service intervals. This component plays a critical role in maintaining the operational reliability of heavy equipment by securing pins and shafts against axial movement. Investing in this genuine Caterpillar spare part ensures compliance with OEM quality standards, maximizing equipment uptime and minimizing costly downtime in demanding field conditions.