Divisional Services

Open-pit mining’s single source for critical equipment components and services. Boundary specializes in aftermarket replacement parts. We are able to design, manufacture, replace and repair equipment parts for Caterpillar, Komatsu, Bucyrus Erie, Hitachi, O&K, and P&H mining shovels and drills.

We specialize in rebuilding and optimizing large gearboxes for the mining industry. Whether the largest rope shovel transmission or the largest apron feeder drives, United Gear has the experience to maximize reliability and performance.

We specialize in rebuilding and optimizing large cylinders and components for the mining industry. With the ability to hone 1” to 48” in diameter and up to 580” in length, Bridge is able to tackle the largest and most challenging cylinders in the industry.