Duro Hf274 Excavator Tires The Hf274 Excavator Tire, honored by Duro as the King of Earth Removal, stands as a top-tier heavy-duty utility tire. Designed to tackle demanding tasks such as field plowing, ditch digging, and root extraction, its alternating shoulder lugs lend unmatched stability during strenuous turns. Features: Heavy duty utility traction Tread pattern for high effort work projects Unbroken horizontal lugs Puncture resistant 4 and 6 ply construction (depending on size) For off highway use only