Challenger - small to mid-size bus using a Ford E-series (350 or 450), Chevy Express 3500 or 4500 chassis
Crusader - small bus using Ford E-series (350) and Chevy Express 3500 Chassis
CTS FE (Front Engine) - large bus using Freightliner MB65 Chassis
CTS RE (Rear Engine) - large bus using Freightliner MB55 and MB75 Chassis
Defender - large bus using Ford F-550, International 3200 Series, and Freightliner M2 Chassis
LF Transport - Mid-size low-floor bus using the Ford E-450 and F-550, GM4500 and the Freightliner M2 Chassis. This particular unit can feature FLEXBUS technology.