12m DD6129K Express Coach

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The 12m DD6129K series express coach is developed by taking the advantage of our leading technology and high quality accumulated during the almost 60 years’ manufacturing experience.

The design for the vehicle body and chassis frame adopts the advanced finite element analysis. On the basis of ensuring vehicle strength, we minimize the weight of the vehicle body. Meanwhile, the professional software is taken for conducting the matching calculation of the vehicle transmission system to match the vehicle operating status with the engine economic working condition, achieving optimum economy under the same configuration condition.

In 2009, the 12m express coach won the Best Bus Award in Beijing International Exhibition on Buses, Trucks and Components.

Technical Specification and Configuration

Model		DD6129K61	DD6129K62	DD6129K63	DD6129K64
Engine	Model	YC6G270-30	SC8DK230Q3	WP10.270	YC6L310-30
	Type	Inline Six-cylinder Water Cooled Turbocharged Inter-cooled Direction Injection Diesel Engine
	Displacement (L)	7.8	8.27	9.726	8.4
	Max. Torque (N.m / r/min)	1080/1400-1600	830/1600	1100/1200-1600	1150/1400
	Max. Output Power (kW/r/min)	199/2200	170/2300	199/ 2200	228/2200
	Fuel Tank Capacity (L)	200 (2×130L with Through Type Luggage Compartment)
Chassis	Gearbox	Six-speed Mechanical Transmission
	Rear Axle	Stamping and Welding Integrated Type (Large Torque)
	Suspension System	Multi-leaf Spring Suspension with Stabilizer Bar for Front and Rear Suspension
	Tyre	11.00-20 (Optional with 11.00R20)
	Steering System	Integral Hydraulic Internal Power Assisted Type
	Service Brake	Drum Brake
	Parking Service	Energy Storage Spring Acting on the Rear Wheel
	Other Configuration	Domestic ABS, Automatic Adjusting Arm
Dimension (mm)	Overall Length	11920
	Overall Width	2545
	Overall Height	3430/3555
	Wheelbase	6200
	Tread (Front / Rear)	2020/1834
	Approach Angle / Departure Angle (°)	9/9
	Min. Ground Clearance	240
	Body Inner Height	2160, 2090(3 2)
	Height of First Step from the Ground	400
Main Body Configuration	Door	Single-leaf Pneumatic outward Swinging Type (Optional with Two Doors with the Rear Door before the Rear Wheel)
	Window	Hyperboloid Laminated Front Windshield, Rear Windshield, and the Aluminum Alloy Sliding Side Windows with Tempered Glass (Optional with Hermetic Bonding Side Window)
	Air Conditioning System	Optional
	Heating System	Water Heating Type Defrosting (Optional with Hot Water Heating System)
	Service Facilities	Optional with Audio-visual Apparatus, Clock, Curtain, Tyre Cover, etc.
	Other Facilities	Optional with Through Type Luggage Compartment, Multiple Single Luggage Compartments, Aluminum Surrounding Door and Steel Surrounding Door
Weight (kg)	Max. Manufacturer’s Total Mass	18000
	Curb Mass	12500 (with Air Conditioner) /12100 (without Air Confitioner)
	Seating Capacity	53 1, 49 1(with Middle Door)
	Seating Arrangement Mode	2 2 (Optional with 3 2, 65 1with Single Door, 61 1 with Double Door)
Performance	Max. Speed (km/h)	90
	Min. Turning Diameter (m)	24
	Max. Gradeability (%)	20
	Fuel Consumption under Certain Driving Cycle (L/100km)	28

Related Names
Limo Bus | 53 Seat Passenger Bus | China Coach Company

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