CATERPILLAR 534-3139 Bolt-Socket Head 5343139

Caterpillar 534-3139 Bolt-Socket Head – OEM-Grade Durability for Earthmoving and Excavation Equipment

The Caterpillar 534-3139 Bolt-Socket Head is a precision-engineered fastener designed specifically for heavy-duty applications in earthmoving compactors and excavators. Compatible with a wide range of Caterpillar models including LT6-816K, SLL-816K, WCL-816K compactors, and various 345D and 349D series excavators, this bolt ensures secure assembly under extreme load conditions. Manufactured from high-strength alloy steel with advanced metallurgy treatments, the bolt features a socket head design that provides superior torque transmission and resistance to stripping. Its dimensions and threading conform strictly to OEM specifications, guaranteeing seamless integration into drivetrain and structural components.

Technically, the 534-3139 bolt is engineered to withstand high shear and tensile stresses typical in heavy equipment operations. The socket head allows for precise tightening with minimal tool slippage, enhancing maintenance efficiency and safety. Its corrosion-resistant finish extends service life even in harsh environments, reducing downtime and replacement frequency. By maintaining optimal clamping force, this bolt contributes to the overall structural integrity and performance reliability of Caterpillar earthmoving compactors and excavators, ensuring consistent operation in demanding construction and mining applications.

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