... gas system and battery unit system with three modes of connection. Hybrid city bus,intercity bus, adopt both ... unit system with three modes of connection, the serial, paralleled and series paralled, show the perfect union of environment protection, energy saving ... CumminsOverall height (mm)3180Position /fuelRear /DieselWheel Base (mm)5500Type of Fuel Inline 6 cylinders, 4 strokes, water cooled, turbo ...