The Caterpillar CT660 set-back axle configuration Class 8 vocational truck include Caterpillar CT11, CT13 and forthcoming CT15 engines are Navistar MaxxForce engines, with displacements of 11.1, 12.5 and 15.2 liters, respectively. Horsepower ratings range from 330 to 550 and peak torque ratings range from 1,450 to 1,850 lb.-ft. The CT660 has a brushed aluminum grille surround. The aerodynamic hood features a sloped design for increased visibility and decreased drag for greater fuel economy.
The truck′s instrument cluster and center stack feature an integrated speedometer/tachometer that can be read through the steering wheel. Cat offers its Cat Link equipment telematics system as standard, with a complimentary three-year subscription on all CT660 trucks. The system gives drivers and fleet managers access to data including fuel economy, hours of operation, vehicle location, maintenance and trouble-shooting information. Other in-cab features include a premium sound insulation system to reduce road noise and a new HVAC system.