2022 Mack GRANITE

Duty cycle shows up in the odometer, 375,591 miles on a vocational platform points to sustained road time between job sites with regular dump work mixed in. Application fit leans toward aggregate, asphalt, and site support where chassis stability and cooling capacity matter more than sleeper amenities. Powertrain details are not provided, so any engine, transmission, or axle ratio match-up should be confirmed by build sheet or ECM pull before assigning a haul profile. Serial number 1M2GR2GC3NM025504 and stock 0630125 give a clean trail for spec verification, emissions family, and campaign history. Frame rails and body mounting points are the first inspection stops on a used dump, look for rail flange cracking near suspension hangers, hoist saddle areas, and any added reinforcement plates that suggest prior stress. Hoist pins, cylinder ends, and bed hinge points should be checked for egg-shaped bores, dry pins, and weld repairs, tailgate latch alignment and hinge wear will tell you how square the bed has stayed under load. Cab interior and controls should be evaluated for vocational wear, pedal pad thinning, seat base play, and switch gear function, especially PTO, body controls, and interlocks if equipped. Brake and tire condition, slack adjuster travel, and air system integrity are high-value checks at this mileage, along with driveline U-joint play and carrier bearing condition to catch vibration and torque-load wear early.