Terex’s TA400 articulated truck improves upon the TA40 with a host of new features. The air conditioning system has been updated; key operating switches have been placed within easy reach of the driver; and the cab is now quieter. The truck, powered by a Detroit Diesel Series 60, 14-liter engine, can handle a payload of 41.9 tons with a heaped capacity of 30.3 cubic yards. It can reach a speed of 37.3 mph. The TA300, replacing the TA30, is claimed to have the highest horsepower and torque in its 30-ton class. It delivers maximum torque of 1,309 lb.-ft. at 1,400 rpm.