6858H series coach is an extraordinary one among Zhongtong mid-size buses. Focusing on technological innovation and customer demand, Zhongtong has accomplished dozens of optimizations in buses' structure and performance, and made breakthroughs in security, energy conservation, space, and some details. 6858H is now gradually becoming a new paragon on the mid-size vehicle market.
6858H coach shows splendid and cool appearance in the front part. When designing the headlights, Zhongtong refer to the design of car, to integrate the headlights into the chrome plated middle panel. The characters "ZHONGTONG" can be lightened for higher degree of recognition. The special boomerang-shaped rear lamps and LED dot matrix lights make the bus look modern and fashionable. The multi-mirror blind-free rearview mirror is adopted to enhance diver's vision.
The pipe and line layouts are optimized to improve the coach's reliability and to make maintenance easier.
The underslung frame is punched as a whole to add to the system's reliability and strength.
The dehydrator and degreaser are installed at both ends of the pipeline system to provide clean compressed air and to extend the service life of the brake system.
A maintenance door is installed at the front bus part for the convenience of checking the pipeline and adjusting the headlights.
The brightness of headlights and inner dome lights is improved to guarantee drivers' and passengers' safety when driving at night.
The clutch operating system is designed with automatic gap adjusting function to automatically adjust the gap and extend the service life of the clutch.
We have optimized the suspension system by increasing the roll stiffness, for higher lateral stability and controllability, as well as wider applications.
The seat is user-friendly, with the back curve designed to be in line with the ergonomic principle.
The interior space is optimized to widen the space for passenger and pass way.
The multi-layer body helps to reduce the noises from both inside and outside.
|Bus parameters||total length (mm)||8540||Engine||model||ISDE210 30/EQB210-20/YC6J210-20/OM 906LA|
|total width (mm)||2480|
|total height (mm)||33, 503, 250||manufacturer||DCEC/DCEC/Yuchai/Benz|
|inner height (mm)||1940||position/fuel||diesel/diesel/diesel/diesel|
|wheelbase (mm)||4100||type||inline cylinder, four stroke, water-cooling, intercooling|
|front/rear suspension (mm)||1810/2630||max power (KW)||155/155/155/170|
|approach angle/departure angle (º)||12/9||max torque (N.M)||800/700/710/810|
|height of a single step (mm)||420||displacement (ml)||6700/5883/6500/6750/6370|
|max total mass set by factory (kg)||11300||cylinder diameter × stroke (mm)||107X124/102X120/105X125/102X130|
|rated capacity (person)||33+1+1||emission standard|
|max speed (km/h)||100||certification|
|luggage compartment volume (m3)||3.3|
|Item||Standard configuration||Optional configuration|
|Chassis parameter||chassis||Zhongtong Bus Holding Co., Ltd.|
|clutch||φ395; single plate; dry clutch; diaphragm spring|
|suspension||multiple leaf spring 9/11||air suspension (2/4 airbag)|
|steering||integral power steering|
|brake||double circuit air brake, drum brake||KORMEE ABS, automatic gap adjusting arm, front-disc rear-drum brake|
|fuel tank||200L, behind front axle||max volume 300L|
|accumulator/alternator||165A.h/150A (140A for ISDE210 30)||150A+120A of alternator when equipped with retarder|
|others||oil-water separator, dryer, clutch booster, air brake||retarder, electromagnetic clutch fan, centralized lubrication|
|seat||2+2 arrangement; 33+1+1 seats; adjustable seat ZTZY3170; safety belt for each seat; driver's seat ZTZY1050, ultra-thin tour guide seat||lateral movement mechanism; pedal|