Cascadia   Cascadia class tractors have the following features: Cummins ISX-2007 motor with 450 horsepower and 1650 foot pounds of torque Eaton 10 speed manual transmission Thermoking TriPac auxiliary power unit with a 1000 watt inverter 72” Raised Roof Sleeper with complete insulation Vertical exhaust Outside temperature gauge AM/FM CD stereo system with auxiliary ports Air conditioning Satellite communication Dual 150 gallon capacity fuel tanks Sliding fifth wheel Inside cab fifth wheel air release Tilt/Telescoping steering wheel Cruise control on steering wheel Air ride suspension Air ride cab Dual air ride seats with arm rests

Columbia   Columbia class tractors have the following features: Cummins ISX motor with 450 horsepower and 1650 foot pounds of torque Meritor 10 speed manual shift transmission Columbia 120 model tractor with a 70 inch walk-in sleeper including lower and upper windows AM/FM CD stereo systems Air conditioning Front & Rear Satellite communications Dual 110 gallon fuel tanks Sliding fifth wheel Inside cab fifth wheel release Tilt / Telescopic steering wheel Cruise Control Full dash instrumentation Air Ride suspension Air Ride cab Dual air ride seats