Model R954BHD, powered by a 286 hp. Liebherr D926TI 6 cyl. diesel, with a Litronic hydraulic system, 17' 8" long x 12' wide crawler base, 30" triple grouser track pads, operators cab with heater and A/C,, 23' 6" long semi-gooseneck boom, extra hydraulic controls and plumbing on boom Hydraulically removable counterweight with an additional bolt-on counterweight section.