CATERPILLAR 037-4981 Perno-Hombro 0374981

Caterpillar 037-4981 Bolt-Shoulder – OEM-Grade Durability for Heavy Equipment

The Caterpillar 037-4981 Bolt-Shoulder is engineered to meet the rigorous demands of industrial, marine, off-highway trucks, and track-type tractors. Designed for models including the 63B-D320A Engine, 57B-D330A and 59B-D333A Marine Products, and a wide range of off-highway trucks such as APX-785C, MSY-785D, and ATY-793C, this bolt shoulder ensures precise fitment and reliable performance. Crafted from high-strength alloy steel with superior metallurgy, it withstands extreme load conditions and vibration, providing exceptional tensile strength and resistance to wear and corrosion.

Technically, the 037-4981 Bolt-Shoulder features exacting dimensional tolerances to maintain drivetrain integrity and component alignment under heavy-duty operational stresses. Its robust design supports critical fastening points in Caterpillar’s heavy machinery, enhancing structural stability and minimizing maintenance downtime. This part complies with OEM specifications, guaranteeing compatibility and long service life in demanding environments such as mining, construction, and marine applications. Investing in this bolt shoulder ensures optimal machine uptime and peak operational efficiency.

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