The mechanically driven Trench-Tech Series 2000 chain trenchers deliver twice the torque of hydrostatic trenchers, offer reduced wear on digging teeth and are significantly more fuel efficient than their hydrostatic counterparts. The 2000 Series consists of four models — TT-2000C, TT-2300C, TT-2500C, TT-2700C — ranging in horsepower from 300 to 830. All units are powered by Cat engines. Operating weights begin at 75,000 pounds and range to 300,000-pound TT-2700P model, designed especially for large diameter pipeline work. Cutting widths are 12 to 72 inches, with cutting depths up to 24 feet.