It is a light weight passenger vehicle operated by Indian Railways on its tracks. The body of the railbus looks similar to that of those operated on the roads except for the bogies and the wheels. It is generally operated for a short distances in India. A railbus in India looks like this
Since passengers are increasing nowadays railbus is being replaced by EMUs and DMUs
BEML Railbus Specifications
The Length: 10.7m; width: 3.2m; height: 3.65m; wheel-base: 7m. Tare weight is 16t and gross weight is 24t. The body is all steel, with an integral shell design of formed and rolled sections welded together. There are driving cabs at each end of the railbus, each with access through sliding doors one on the side and one leading to the passenger compartment. A door in the middle of the railbus leads to the passenger compartment.
Max. speed 60km/h. Engine: inline 6-cylinder, with mechanical variable speed governor, 175hp. Transmission: automatic hydraulic with twin turbine torque converters. (Allison torque converter, made by Hindustan Motors.) Drive: single driven axle (axle-mounted bevel gear drive with single stage reduction). Brakes: Service brakes use compressed air; there are also standby brakes (with separate brake valves) in case of main brake failure, and air-assisted parking brakes.
Axle/wheel capacity is 13 tonnes; wheel diameter 915mm. Suspension: single-stage with vertical guide, helical spring, and shock absorber. Electricals: 24V 180Ah lead-acid battery for starting, controls, lighting; 24V 45A alternator
Railbus services can be found in states like Andhra Pradesh,Karnataka,Rajasthan,UP etc