12m DD6129S Rear Engine Transit Bus

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Based on the leading design concept of overall square shape with small round corner, we have formed our urban transit bus series product with the models of more than one hundred. This series of product has diversified configuration in terms of the floor of different heights, the engine using different fuel and being placed at the front or at the rear, the door of different opening directions, etc.

We have the qualification of researching, developing and manufacturing the coach chassis for a long time and have collected rich related experience. Combining the leading-edge vehicle body manufacturing technology of German MAN Company, we produce the high-quality, high-reliability and high-security transit bus by selecting the natural engine with high fuel economy and the gas cylinder system with high security, making the product stay at the leading position in the industry.

Technical Specification and Configuration

Model		DD6129S01	DD6129S02	DD6129S11	DD6129S13	DD6129S21	DD6129S24	DD6129S58
Engine	Model	ISBE220 31	BGe230 30(CNG)	ISBE220 31	BGe-230	ISCe260 30	YC6G240-30	SC8DT230Q3
	Type	Inline Six-cylinder Four-stroke Turbocharged Inter-cooled Diesel Engine
	Displacement (L)	5.883	5.9	5.883	5.9	8.3	7.8	8.27
	Max. Torque (N.m / r/min)	820 / 1500	800 / 1500	820 / 1500	678/1600	191/2200	177/2200	830/1400
	Max. Output Power (kW/ r/min)	162 / 2500	169/2500	162/ 2500	172/2800	1060/1200-1600	950/1200-1500	170/2200
Chassis	Gearbox	Hydraulic Automatic Transmission				Mechanical Type with Synchronizer
	Rear Axle	Casted Axle Housing, Portal Type, Double Reduction, Hyperboloid Gear		Stamped and Welded Axle Housing, Integral Type, Single Reduction, Hyperboloid Gear
	Final Gear Ratio	6.2				4.785
	Suspension System	Air Spring with Two-way Telescopic Shock Absorber				Taper Leaf Spring with Two-way Telescopic Shock Absorber and Stabilizer Bar
	Tyre	275/70R22.5				11.00-20, 12R22.5, 295/80R22.5
	Steering System	Integral Type Power Steering Gear
	Service Brake	Dual Circuit Pneumatic Brake
	Parking Brake	Energy Storage Spring, Air Cut-off Brake Acting on the Rear Wheel
Dimension (mm)	Overall Length	11980				12000
	Overall Width	2532
	Overall Height	3260				3010 (3160 with Air Conditioner)
	Wheelbase	5950		5900		6000
	Tread (Front / Rear)	2096/1836				2046/1845
	Approach Angle / Departure Angle (°)	7/7
	Min. Ground Clearance	≥145				≥200
	Body Inner Height	2488/2300		2488/2000		2343/1900
	Height of First Step from the Ground	352 (Front)/ 361 (Rear)		359 (Front) / 363 (Rear)		300 (Front)/ 340 (Rear)
Main Body Configuration	Door	Two Double-leaf inward Swinging Doors Placed before the Front Right Wheel and Rear Right Wheel
	Side Window	Bonding Glass				Laminated Glass for Front Windshield and Tempered Glass for Rear Windshield
	Air Conditioning System	Non-independent Overhead Type				Optional
	Heating System	Water Heating				Optional
	Service Facilities	Computer Station Reporter, Electronic Route Map Display Board, Monitor for Getting off and Reversing, Multimedia Video System, IC Reader, Optional with Curtain and Tyre Cover
Weight (kg)	Max. Manufacturer’s Total Mass	18000
	Curb Mass	12600		12100		11500 (11100 without Air Conditioner)
	Seating Capacity	88/24-31, 82/24-31		90, 84-34		90/24-45, 84/24-45
	Seating Arrangement Mode	1 1 (Front)/ 2 2 (Rear)
Performance	Max. Speed (km/h)	≥80				≥85
	Max. Gradeability (%)	≥20				≥20
	Min. Turning Diameter (m)	≤24				≤24
	Fuel Consumption under Certain Driving Cycle (L/100km)	≤35				≤30

Related Names
China LNG Bus | Double Door Public Bus | Natural Gas Vehicle

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