Let us know about the engine performance and body configuration of the SML Isuzu Hiroi 4370 school bus of 53-seater. This school bus is empowered by a 4-cylinder SLTHT6 CRDI TCIC powerful engine of 3455 cc. It produces a power of 114 horsepower and a high-end torque of 400 Nm. The power transmission of the SML Isuzu Hiroi 4370 school bus of 53-seater is controlled by a 5-speed synchromesh gearbox system. It is available in an axle configuration of 4x2. The chassis frame is C-channel type and the passenger doors are jack-knife type. The front and the rear suspensions are coupled with parabolic suspension. The wheelbase size of this school bus is 4500 mm and the tyre size is 235/75R 17.5. It comes with 53 passenger seats along with a driver seat. This 53 seater school bus runs on diesel fuel. Some other dimensions are described above in the table.