Double Coin's OptiGreen Series FD425 super wide ultra premium fuel and weight efficient drive position tire features EPA SmartWay Verified Technology. The low rolling resistance tire series includes the FR605, FD405, FT105 and the FT125. Engineered with advanced tread compounds, a wider, low profile design for low rolling resistance and weight savings for greater mileage; durability, strength and even wear are key features of its design, according to the manufacturer. Available in a 445/50R22.5 size and has a maximum carrying capacity of 10,200 lbs. (Load Index 161).