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First Wide Path™ Undercarriage Surpasses 31,000 Hours 

Since the first Excel Wide Path™ Undercarriage was installed in late 2013, this Engineered Innovation has proven to be a huge success for both our customers and Excel. After more than four years of operation on a P&H® 4100™ Electric Rope Shovel, a significant milestone was achieved at its most recent audit.

This copper mine, located in the Southwestern US, was accustomed to getting 15,000-18,000 hours on undercarriages of conventional (OEM) design. They were experiencing low-hour failures and accelerated wear. This operation regularly replaces costly components to get through the normal lifecycle. They also spent dozens of unplanned downtime hours to “trim the toenails” between the track pads. At $55,000 per hour for downtime, 20 hours of downtime equates over $1,000,000 in lost production!

The Excel Wide Path originated in late fall of 2011 when a request was initiated for a custom P&H4100XPC™ undercarriage. The goal of the design is to account for the tremendous weight exerted by the 3,800,000lb. machine on the roll path during operation. The final Wide Path design reduces and more evenly applies pressure to the roll path of the shovel, increases the life of its rolling components, and significantly extends the undercarriage’s overall life. Plus, it eliminates toenailing and had virtually no unplanned maintenance during this incredible 31,000+ run. The superior design and materials used in the undercarriage system also did not allow any contact between the frame and track pads.

This first Wide Path Undercarriage was officially installed on November 21, 2013. At the most recent audit, the undercarriage achieved 31,121 shovel hours – nearly double the maximum hours expected from the OEM design! This customer has several 4100XPC shovels, and due to the success of this innovative design, they plan to continue using Excel’s Wide Path system. Altogether, four complete undercarriage replacements have been purchased by this customer alone! Excel has also sold Wide Path Undercarriages to customers in South America and other locations in the US. Feedback has been overwhelmingly positive. Dave Eagan (Director of Technical Support) comments: “The low maintenance and minimal reactive downtime customers have experienced with this undercarriage (opposed to the OEM) has made their life easy. Not only are they impressed with the product but also with Excel’s routine first-class support. The fact that multiple undercarriage sets have been purchased since this first article was launched prove that ‘actions speak louder than words.'”

To learn more about Excel’s Wide Path™ Undercarriage System and its capabilities, click here.

Select Wide Path™ Installation Photos

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