2020 Mack PI64T

Duty cycle suggests highway and regional pull work, with 392,000 miles putting it into the midlife range where maintenance history matters more than cosmetics. Daycab layout fits drop and hook, local shuttle, and terminal work where sleeper space is not needed. Powertrain details are not provided, so engine family, transmission, and rear ratio cannot be matched to a specific application. ECM status is not listed, so verify any fault history, regen frequency, and aftertreatment health with a scan, along with idle hours if available. Frame rails and crossmembers should be checked for straightness, corrosion at fastener points, and any evidence of prior repairs around suspension hangers and steering gear. Fifth wheel condition is a key wear item at this mileage, inspect top plate scoring, jaw wear, and slider rail play if equipped. Cab structure and controls on a daycab see frequent in and out traffic, inspect door hinges, latches, seat base, pedal pads, and steering column play. Service items to confirm by record or inspection include brakes and drums, steer tire wear pattern for alignment clues, driveline u-joint play, and air system moisture control at the dryer and tanks.