The SB-4000 is a 2-axle chassis, suitable to build up intercity buses and coaches with lengths from 10.8 to 13m, at a maximum weight of 19 tons. This chassis is also available as in a 3-axle configuration, the SBR-4000, allowing for single deck and double deck coaches up to 15m. The SB(R)-4000 can be equipped with Euro III or Euro VI engines, ranging from 8.7 to 12.9 which can be connected to automatic, semi-automatic and manual gearboxes of ZF or Voith. With an independently suspended front axle and low noise rear axle from ZF, this chassis offers maximum comfort to its passengers. The SB(R)-4000 is available in LHD and RHD.