It can be built as an intercity bus (L94IB) or a low-floor city bus (rigid version L94UB or articulated version L94UA) and features a 9-litre, inline 6-cylinder, turbocharged and intercooled, Euro II compliant engine available in 220 hp/1005 Nm, 260 hp/1180 Nm, or 310 hp/1355 Nm ratings (model DSC9), which was later replaced by the DC9 Euro III compliant engine available in 230 hp/1050 Nm, 260 hp/1250 Nm, or 300 hp/1400 Nm ratings. Optionally, a 9-litre, inline 6-cylinder, turbocharged and intercooled CNG engine was available, initially with only a 260 hp/970 Nm rating (model OSC9 G01 - later upgraded to 260 hp/990Nm), but with the introduction of a higher torque Euro V compliant engine (model OC9) two ratings were available - 260 hp/1100 Nm (OC9 G02 260) and 300 hp/1250 Nm (OC9 G03 300).