2021 Mack ANTHEM

Duty cycle suggests a highway and regional daycab life, with 238,000 miles showing steady use without being deep into end of life for major chassis components. Identification points include VIN 1M1AN4GY0MM022085 and stock B3880L for maintenance record matching and campaign checks. Powertrain details are not provided, so engine family, transmission type, and rear ratio should be verified on the door tag, build sheet, or via ECM pull before assigning an application like heavy haul, local P and D, or linehaul. ECM status is listed blank, so plan on confirming engine hours, idle percentage, fault history, and aftertreatment health with a proper scan to validate the mileage story. Frame rails and crossmembers are the first look items for daycab service, check for drilled holes, added brackets, corrosion at fastener points, and any witness marks around suspension hangers that can indicate prior impact or alignment issues. Fifth wheel condition should be judged by top plate wear, jaw operation, slider rail movement if equipped, and air line routing for rub points. Cab interior wear typically shows up at the driver seat base, pedal pads, steering wheel, and door hinges, those areas help confirm use and maintenance habits. Air system and brake components should be checked for air dryer service date, compressor cut in and cut out behavior, brake chamber condition, and rotor or drum wear, since daycabs often see frequent stops and higher brake cycles.