2026 Mack GR84B

Category, Truck. Duty cycle. Low-mileage, new-condition dump chassis with only 246 miles, the kind of usage that points to delivery or initial shakedown rather than production hauling. Serial 1M2GR4NC9TM008041, stock 70203, no ECM details provided. Powertrain. Engine, transmission, axle ratio, and PTO or wet kit status are not listed, so vocational match-up cannot be confirmed from the data. Dump application typically hinges on PTO provision, pump clearance, and cooling capacity, items that should be verified on the build sheet and by visual check at the transmission and frame rail. Chassis points. Frame rails and crossmember layout are the first inspection targets on a dump setup, looking for straight rails, clean bolt holes, and no evidence of body mount shift. Cab controls and switch blanks should be checked for PTO, hoist, and any upfitter wiring, along with tire date codes and lug torque paint, since early miles can still hide shipping damage or incomplete upfit work.