8.7m Rear Engine CNG Bus

Overall Parameter

Overall leng  (mm)

8740

Overall width (mm)

2480

Overall height (mm)

3350

Wheelbase   (mm)

4000

Front/rear overhang (mm)

2140/2600

Approach/departure angle(°)

10/10

Front/rear tread (mm)

2020/1800

Max total mass(kg)

12500

Rated passengers

61/17-32

Top speed (km/h)

≥90

Engine Parameter

Engine model

YC4G180N-40

Engine manufacturer

Yuchai China

Engine position/fuel

Rear/CNG

Engine type

Inline 4 cylinders, turbocharged-intercooling, water cooling,4 stroke

Peak power  (kw/r/min)

132±5%/2500

Peak torque  (N.m/ r/min)

660±6%/1500

Displacement  (L)

5.2

Emission standard

Euro IV

Chassis Parameter

Model/manufacturer

EQ6820HN4AC

Gearbox

CA5-75,Manual 5-speed

Clutch

Single ,dry diaphragm spring, ,the driven plate diameterφ395,air assistance

Front axle

4000kg  Forged steel H-beam, load supporting 4000kg

Rear(Driving) axle

Overall stamping axle housing ,load supporting 8000kg,speed ratio 4.88

Suspension

Multi-leaf spring(front 10/rear 11), two steps

Steering

Power-assisted steering, double universal joint adjustable steering shaft, adjustable steering wheel up&down, forward&back,,the wheel diameterφ480

Brake

Dual-circuit air brake meet ECE standard,drum brake. energy storage spring parking brake

Gas cylinders

(80x4)480L

Tyre

8.25R20,  6pcs

Battery / Generater

150Ah×2/120A 28V

others

copper water tank