2019 KENWORTH T680 TANDEM AXLE SLEEPER TRUCK UNIT STARTS BUT IN DERATE MODE SOLD AS-IS CHECK ENGINE LIGHT PACCAR MX 13 12.9L ENGINE 450 HP PACCAR P0-16F112C 12 SPEED AUTO TRANSMISSION AXLE WEIGHT FRONT 12,350 AXLE WEIGHT REAR 34,000 DRILL HOLES IN DASH PANEL ONE OF THE CABINET DOORS MISSING IN SLEEPER MODERATE RUST ON FRAME UNIT LOCATED IN GRAND RAPIDS,MI