Hengtong Coach CKZ6665N3 City bus (#221)
Hengtong Coach city bus CKZ6665N3 (batch #221) based on EQ6570KN3AC chassis is made in China by Chongqing Hengtong Bus Co., Ltd. The company is located in Zhongqing, in Chongqing Municipality, China.

CKZ6665N3
Overview
| Model | CKZ6665N3 |
| Brand Name | Hengtong Coach |
| Bulletin | #221 |
| Type of vehicle | City bus |
| Country of origin | China |
| Chassis | EQ6570KN3AC |
Manufacturer Profile
| Manufacturer | Chongqing Hengtong Bus Co., Ltd. |
| Brand | |
| Type of manufacturer | Bus manufacturer |
| City | Zhongqing |
| Province (Region) | Chongqing Municipality |
| Country | China |
| Number of vehicles* | 433 models (830 items total) |
| * A number of models manufactured by Chongqing Hengtong Bus Co., Ltd. found in Auto-che.com vehicle database | |
Technical specifications
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | NQ120N CA4GNE3 CY4102-N3B NQ100N3 | 3759 3700 3856 3759 cc | 92 85 88 79 kW | ||||
| Performance | ||||
|---|---|---|---|---|
| Maximum speed | 90 km/h | 56 mph | ||
| Capacity | ||||
|---|---|---|---|---|
| Passenger capacity (including driver) | 32/10-25, 32/10-23, 30/10-25 | |||
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 4400 kg, 4500 kg | 4.4 t, 4.5 t | 9,700 lbs, 9,900 lbs | |
| Gross vehicle weight rating | 6500 kg | 6.5 t | 14,300 lbs | |
| Axle load distribution | 2300 kg / 4200 kg 2.3 t / 4.2 t 5,100 lbs / 9,300 lbs | |||
| Dimensions | ||||
|---|---|---|---|---|
| Overall length | 6620 mm | 21′9″ | ||
| Overall width | 2240 mm | 7′5″ | ||
| Overall height | 2860 mm / 2960 mm | 9′5″ / 9′9″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 2 | |||
| Wheelbase | 3300 mm | 10′10″ | ||
| Front overhang | 1210 mm | 4′0″ | ||
| Rear overhang | 2110 mm | 7′0″ | ||
| Angle of approach | 18° | |||
| Angle of departure | 11° | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Steering control | steering wheel | |||
Additional Information
When the optional air conditioning ride height 2960, curb weight 4500, the maximum number of passengers 30; after closing the passenger door; optional two passenger door when the maximum number of 23 seats; using only the chassis NQ120N engine ,7.00-16, 7.00R16 tires ;

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