2023 Kenworth T680

Category, Trucks. Mileage profile suggests a highway duty cycle with steady heat cycles and long intervals between stops, the kind of use that typically shows up as stone rash on the nose, leading-edge hood wear, and driveline lash if maintenance timing slipped. Serial 1XKYD49XXPJ268609, stock 0629621. Powertrain details are not provided, so the evaluation centers on verification points, ECM hours, idle percentage, and fault history are the first stops to confirm how the miles were accumulated. ECM data should be pulled to match odometer, check for derates, aftertreatment efficiency history, and any recurring codes that point to EGR, DPF, or SCR performance issues. Frame rails and crossmembers are the tell for prior impacts and heavy fifth wheel loading, look for flange ripples, fresh paint over repairs, and elongated suspension hanger holes. Fifth wheel jaws and top plate should be checked for jaw wear, cracked welds, and excessive grease burn, along with air slide operation if equipped. Cab upholstery, sleeper trim, and pedal wear should match the stated miles, and HVAC performance, bunk HVAC if equipped, window regulators, and dash switchgear should be cycled to confirm day-to-day usability.