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12m DD6125B Express Coach




We elaborately develop the 12m DD6125B express coach which absorbs the advantages of the tour bus and public transport bus. It can meet the needs of inter-city passenger transport and public transport to achieve interurban operation. The product leads the development trend of the industry.


Environmental Protective Power
The 12m express coach is designed to utilize the most economical and practical liquefied natural gas (LNG) as the fuel. Its emission is compliant with the national IV standard. Featuring security, environmental protection, economy and other many merits, the product conforms to the current concept of creating green and harmonious environment.


Patented Technical Design
During the design process, many patented technologies are employed for use. The sophisticated software is employed to match the power performance and fuel economy of the natural gas engine rationally. The patented engine cooling system structure design solves the problem of overheating of the engine. By selecting the LNG system with patent technology, the LNG supply pressure, flow and flow velocity can be guaranteed to be more stable. Moreover, the patented design for engine cabin and gas cylinder compartment enables outstanding heat insulation and noise reduction effect.

12m DD6125B Express Coach

Appearance and Interior
With luxury and elegant appearance, the lightweight design provides the 12m express coach with both economy and high strength. The openable front end is convenient for maintenance. The built-in air conditioning structure adds more beauty to the vehicle. The interior space of the product is large. The vehicle interior is simple but novel. In addition, the product is equipped with large size luggage rack which is nice and matches the vehicle interior well.

Technical Specification and Configuration
Model DD6125B
Engine Model SDEC SC9DK280Q3 (Yuchai YC6L280N-30)
Type Inline Six-cylinder Four-stroke Water Cooled Turbocharged Inter-cooled Diesel Engine(Euro III)
Fuel Tank Capacity (L) 450
Chassis Model DD6125B
Axle Domestic Axle
Gearbox Domestic Mechanical Type
Retarder Domestic Retarder Installed on the Gearbox
Suspension System Leaf Spring Matched with Stabilizer Bar and Two-way Telescopic Shock Absorber
Tyre 295/80R22.5 Tubeless Tyre
Steering System Domestic Integral Power Assisted Steering Gear
Service Brake Drum Brake, Dual Circuit Air Brake
Parking Brake Energy Storage Spring Air Cut-off Brake
Main Body Configuration Number of Steps Three
Passenger Door Front Single-leaf Type and Rear Double-leaf Type Aluminum Alloy inward Swinging Doors
Window Hyperboloid Laminated Glass, Hermetic Bonding Side Window, Built-in Sliding Rear Windows at the Two Sides
Air Conditioner Passive Type
Dashboard Luxury Type
Audio Radio and Player
Luggage Rack and Air Duct Transparent Combined Type Luggage Rack, Air Duct (Air Outlet Mounted with Reading Light)
Interior PVC for Top Ceiling, Paper Laminated Plywood for Side Wall, Air Duct Decorated with Linen Sheet
Seat High Backrest Adjustable Driver’s Seat, Engineering Plastics or ABS Material for Passenger’s Seat
Performance Max. Speed (km/h) ≤ 85
Min. Turning Diameter (m) ≤ 24
Max. Gradeability (%) ≥ 20
Fuel Consumption (L/100km) ≤ 30 (under Certain Driving Cycle)
Weight (kg) Max. Total Mass 18000kg
Curb Mass 12900
Seating Capacity 49 1
Seating Arrangement Mode 2 2
Dimension (mm) Overall Length 11900
Overall Width 2530
Overall Height 3420


Related Names
Motor Coach for Sale | 49 Seater Passenger Bus | Compressed Natural Gas Bus


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