4100XPCXXL

The STKMINING XXL Series Electric Rope Shovel Undercarriage utilize proven manufacturing processes coupled with customer driven design innovations to carry the immense weight of the P&H 4100XPC machine. The foundation of the XXL system design begins with utilizing the unused space between the roller and side frame to widen both the roller body and track shoe roll path. XXL Rollers are also treated with an enlarged thrust washer and optimized seal. We have redesigned the XXL Tumbler and Guide Rails to accommodate the wider roll path. The system is finished with our XXL Idler which has a 10% larger shaft, producing 15% more contact surface area for durability and weight dispersion. These innovations combine to considerably increase service life and value.
XXL Roller and Rear Idlers are forged to provide a tighter grain structure for better strength in all spectrums. The widened roller body and track shoe roll path provide an increased contact surface area between the two by approximately 20% promoting a more evenly dispersed load over a greater area.
XXL Track Shoe come in high grade austenitic manganese and feature an enhanced internal structure to withstand crushing as well as fortified drive lugs to combat stretch. We also offer an explosion hardened version for the most severe applications. This process preset the track shoes work hardened state, reducing the accelerated wear experience at the beginning of a manganese chain life cycle.