12m DD6127S01 Rear Engine Transit Bus

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We introduce the full set of BRT bus rapid transit technical documents and process to manufacture the 12m DD6127S01 rear engine transit bus. The vehicle has square shape, small round corner and panoramic front windshield. The bottom part of the front end adopts the lightweight flame retardant SMC material. It is composed of four kinds of detachable and reversible parts forming the splayed shape. Then, the assembly system involving lamp, rain wiper and other devices can be maintained easily.

The 12m rear engine transit bus avails itself of the composite monocoque structure body. The vehicle body skeleton system and frame structure are analyzed and designed in detail via the finite element analysis. By using the rectangular tube welding structure as well as 16Mn and 20# steel, the body of the vehicle comes out with high overall strength and light weight.

Technical Specification and Configuration

Model		DD6127S01
Engine	Model	D0836LUH40
	Type	Horizontal Six-cylinder Turbocharged Air-to-air Inter-cooled Electronically Controlled Fuel Injection Diesel Engine
	Displacement (L)	6.871
	Max. Torque (N.m / r/min)	1100/1400-1700
	Max. Output Power (kW/ r/min)	206/2400
	Fuel Tank Capacity (L)	280
Chassis	Gearbox	Voith 854.5 Automatic Transmission with Hydraulic Retarder
	Rear Axle	Portal Type Drive Axle
	Suspension System	2 4 Airmatic, Front Suspension with Stabilizer Bar and Shimmy Damper
	Tyre	275/20R22.5
	Steering System	Hydraulic Internal Power Assisted Integral Type Steering Gear
	Parking Brake	Energy Storage Spring Acting on the Rear Wheel
	Service Brake	Dual Circuit Pneumatic Brake with ABS and ECAS Systems
Dimension (mm)	Overall Length	11980
	Overall Width	2500
	Overall Height	2758 (2880 with Air Conditioner)
	Wheelbase	5875
	Tread (Front / Rear)	2076/1826
	Approach Angle / Departure Angle (°)	7/7
	Min. Ground Clearance	145
	Body Inner Height	2318
	Height of First Step from the Ground	340
	Front Overhang / Rear Overhang	2700/3375
Main Body Configuration	Passenger Door	Three Double-leaf inward Swinging Doors at the Right Side
	Side Window	Full Bonding Built-in Flip Window
	Air Conditioning and Heating System	Cooling and Heating Integrated Air Conditioner
	Frame	Monocoque Truss Frame Structure
Weight (kg)	Max. Manufacturer’s Total Mass	18000
	Curb Mass	11650
	Seating Capacity	22-39 1
	Seating Arrangement Mode	2 2
Performance	Max. Speed (km/h)	85
	Min. Turning Diameter (m)	22.3
	Max. Gradeability (%)	25
	Fuel Consumption under Certain Driving Cycle (L/100km)	35

Related Names
Central City Bus | China Speed Bus | 22 Seater Bus

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