The Evolution® range of quenched and tempered crawler shoes was developed by Bradken to overcome the shortfalls in traditional designs for the Caterpillar hydraulic excavator platforms.

Evolution crawler shoes have thickened pin lugs and feature Bradken's patented 'continuous roller path'. This roller path design enhancement improves the contact pressure distribution between the roller and the shoe. As a result, the roller is supported at all times as illustrated in the above diagram. This reduces metal flow in the shoe and increases the service life of mating components.

Features Benefits
Continuous roller path, improving contact pressure distribution
between the roller and shoe.

Reduced metal flow on shoe roller path, increasing the service life of mating components.
Simplified nut/bolt pin retention system allowing for ease of installation, removal and maintenance. Safer and faster installation, resulting in less downtime.

Manufactured from induction hardened NiCrMo cast steel. Able to handle high impact loads with increased wear resistance.

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