Trolleybus model 420


Trolleybus  model 420 – low-floor trolley bus production Belkommunmash. It belongs to the fourth generation of trolleybuses developed plant. Trolleybus in earlier versions has 35 seats, 29 of them are fixed and 6 on the right side folding. This is done to increase the capacity of the machine in the rush hour. Total salon can accommodate 115 passengers.

The body is made from composite materials. The machine is equipped with an electric retractable ramp and the system of “squatting” to the level of the sidewalk. Salon is equipped with a climate control system, so there is no air vents in the windows. In the later samples were air vents.

On the streets of Minsk trolleybus  model 420 first appeared in September 2008. The first copy of the machine entered the trolleybus park number 2 at 2 months for the purpose of trial operation and has worked on the route number 3 (one of the busiest city routes), then was returned to the factory.

Regular supply of trolleybus  model 420 began in Minsk in 2009. In the period from May to September 2009, received 5 trolleybuses (2 of them – in the trolleybus park number 4, and 3 – in the trolleybus depot number 2). Work on the route number 7, 48, 54, 60.

Technical features

  • Airy, bright and clear interior design adaptable to customer requirements.
  • Excellent overview of the whole passenger compartment.
  • Passenger compartment 100% low-floor.
  • Easy-to-change external cover made of composite materials.
  • Internal cover from pieces made of plastic
  • 2+1 and 2+2 seating
  • Partition between driver’s cab and passenger compartment glazed with a gap for ticket sales.
  • High-performance heating.
  • Technical devices for physically challenged passengers
  • The trolleybus is equipped with the following arrangements:
    • a ramp for an easier entrance of passengers with wheelchairs;
    • the system of body pitch (kneeling);
    • a place for a wheelchair, a special system for its fixation and special seats for physically challenged passengers.
  • Rear axle drive, control by means of IGBT converter.
  • Mains voltage detection message to driver, short circuit detection, automatic lowering of overhead line rods.

Optional features installed on the customer’s request:

  • Full air-conditioning for the entire vehicle by means of three separate air-conditioning units.
  • Installation of off-line run system up to 20 km based on the LTO-batteries.
  • Conductor seat and heating for conductor area on request from customer.
  • Visual and acoustic aligned passenger information system.
  • Automatic central lubrication system.
  • Fire suppression system.
  • GPS.
  • Power meter.
Vehicle data
Main Specifications
  • General characteristics
    • Passenger capacity, people
    • Number of seats
    • Unladen weight of trolley, ready for operation, kg
    • Maximum mass, kg
    • Mains voltage, V
    • The floor height above the road, mm
    • Number of doors
    • Length, mm
    • Width (without mirrors), mm
    • Continuous output of electric motor, kW
    • Maximum speed, km/h