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 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 12.9L 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.