2023 Freightliner PT126064ST

Category, Truck (conventional sleeper). Mileage profile, 475,440 miles suggests sustained highway duty cycles with the usual long-interval wear points, driveline joints, wheel ends, cooling stack cleanliness, and aftertreatment health depending on maintenance history. Identification, serial 3AKJHHDR0PSUH9963 and stock 0635503 support traceability for service records, campaign work, and component verification. ECM status, ECM details are not provided, so an inspection should include pulling an engine report for total engine hours, idle hours, cruise vs PTO time, fault history, regen counts, and any derate events. Powertrain specifics, engine, transmission, and axle ratio are not listed, so confirm build spec before assigning an application beyond general sleeper highway use. Frame rails, check for straightness, corrosion scale, and any added holes or bracket changes around suspension hangers and crossmembers. Fifth wheel, inspect jaw wear, top plate condition, slider operation if equipped, and air line routing for chafe. Cab and sleeper, look for seat base play, pedal wear, dash switch integrity, HVAC performance, and bunk hardware condition, these typically tell the story of driver use at this mileage.