Featured on Cat.com Ground Force Rigid Frame Fuel & Lube Trucks supports HUGE equipment fleet at Black Thunder in Wyoming.   Black Thunder mine in Wyoming produces millions of tons of coal annually with a large fleet working around the clock. A dependable fleet of Ground Force fuel & lube and cable reel trucks, based on Cat® Off-Highway and Articulated Trucks, provides the support needed to keep this site running smoothly. https://youtu.be/57KmBlwOnPA Click here www.cat.com to read the full story!