Chuanma CAT6780DET City bus (#177)
Chuanma city bus CAT6780DET (batch #177) based on EQ6720TN3AC chassis is made in China by Chengdu Anda Special Type Vehicle Co., Ltd. The company is located in Chengdu, in Sichuan Province, China.

CAT6780DET
Overview
| Model | CAT6780DET | 
| Brand Name | Chuanma | 
| Bulletin | #177 | 
| Type of vehicle | City bus | 
| Country of origin | China | 
| Chassis | EQ6720TN3AC | 
Manufacturer Profile
| Manufacturer | Chengdu Anda Special Type Vehicle Co., Ltd. | 
| Brand | |
| Type of manufacturer | Vehicle manufacturer | 
| City | Chengdu | 
| Province (Region) | Sichuan Province | 
| Country | China | 
| Number of vehicles* | 109 models (237 items total)  | 
| * A number of models manufactured by Chengdu Anda Special Type Vehicle Co., Ltd. found in Auto-che.com vehicle database | |
Technical specifications
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | NQ120N / EQ6100N-30 | 3759 / 5420 cc | 92 / 95 kW | ||||
| Performance | ||||
|---|---|---|---|---|
| Maximum speed | 85 km/h | 53 mph | ||
| Capacity | ||||
|---|---|---|---|---|
| Passenger capacity (including driver) | 46/19-31, 44/19-31 | |||
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 5400 kg, 5520 kg  | 5.4 t, 5.5 t  | 11,900 lbs, 12,170 lbs  | |
| Gross vehicle weight rating | 8400 kg | 8.4 t | 18,500 lbs | |
| Axle load distribution | 3400 kg / 5000 kg 3.4 t / 5 t 7,500 lbs / 11,000 lbs  | |||
| Dimensions | ||||
|---|---|---|---|---|
| Overall length | 7760 mm | 25′6″ | ||
| Overall width | 2340 mm | 7′9″ | ||
| Overall height | 2950 mm / 3150 mm | 9′9″ / 10′5″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 2 | |||
| Wheelbase | 3650 mm, 3500 mm  | 12′0″, 11′6″  | ||
| Front overhang | 1910 mm | 6′4″ | ||
| Rear overhang | 2200 mm | 7′3″ | ||
| Angle of approach | 10° | |||
| Angle of departure | 8° | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Steering control | steering wheel | |||
Additional Information
Optional overhead air-conditioning, central to cancel the passenger door. Using only NQ120N engine and tire 8.25-16 or 8.25R16 when configuring overhead air-conditioning, the vehicle height 3150mm, curb weight of 5520kg, the rated capacity of 44 people. When configuring dual passenger door, the maximum number of seats to 27.

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