Machine description: NEW HOOK BLOCK CATERPILLAR C7-210HP (REBUILT @ 173393 MILES) S/N WAX20247, 6 SPEED MANUAL TRANSMISSION, 8000 LB. FRT AXLE/19000 L REAR, FRONT & REAR SPRING SUSPENSION, PS/PB/ABS/AIR COND./HIGH BACK SE... more info about the 2006 GMC C7500.