Dressta Co., Buffalo Grove, Ill., has introduced the TD-40E Extra crawler dozer featuring a quieter, environmentally-friendly Cummins QSK19 Tier 3 engine. This new model delivers a maximum torque of 1,755 pounds per foot, up from the 1,650 pound per foot of the previous model. The new engine delviers 515 net horsepower at 2,000 rpm. The TD-40E Extra has an operating weight of 136,509 pounds and a full-U blade capacity of 29.8 cubic yards. Also released with the TD-40E Extra are a gear-range preselection system and an automatic downshift function, which offers the user the choice of various automatic modes. The cab is sealed and has a built-in air re-circulation system. The combination of a three-speed transmission with two-speed steering yields size forward and reverse ground speeds.