Also listed as AC04120-21751 AC 04120-21751 AC0412021751 AC 0412021751 ALLIS CHALMERS/TUSK04120-21751 ALLIS CHALMERS/TUSK 04120-21751 ALLIS CHALMERS/TUSK0412021751 ALLIS CHALMERS/TUSK 0412021751 AC412021751 ALLIS CHALMERS/TUSK412021751 AC 412021751 AC 4120-21751 ALLIS CHALMERS/TUSK 4120-21751 AC4120-21751 ALLIS CHALMERS/TUSK4120-21751 4120-21751 4120-21751 412021751 0412021751