Yunma YM6603 Bus (#136)
Yunma bus YM6603 (batch #136) based on EQ6590KS1 chassis is made in China by Guizhou Yunma Aircraft Manufacturing Factory. The company is located in Anshun, in Guizhou Province, China.

YM6603
Overview
| Model | YM6603 |
| Brand Name | Yunma |
| Bulletin | #136 |
| Type of vehicle | Bus |
| Country of origin | China |
| Chassis | EQ6590KS1 |
Manufacturer Profile
| Manufacturer | Guizhou Yunma Aircraft Manufacturing Factory |
| Brand | |
| Type of manufacturer | Machinery manufacturer |
| City | Anshun |
| Province (Region) | Guizhou Province |
| Country | China |
| Number of vehicles* | 64 models (152 items total) |
| * A number of models manufactured by Guizhou Yunma Aircraft Manufacturing Factory found in Auto-che.com vehicle database | |
Technical specifications
| # | Engine model | Engine displacement | Engine power | Engine manufacturer | |||
|---|---|---|---|---|---|---|---|
| 1 | YZ4105ZLQ / YZ4102ZLQ / YC4D130-20 / YC4D120-20 / CY4102BZLQ / CY4100ZLQ / 4100QBZL / YZ4102ZLQ / YZ4102ZLQ / YZ4102ZLQ / 4100QBZL / 4100QBZL | 4087 / 3432 / 4214 / 4214 / 3856 / 3707 / 3298 / 3432 / 3432 / 3432 / 3298 / 3298 cc | 90 / 81 / 96 / 90 / 88 / 70 / 70 / 81 / 75 / 70 / 81 / 70 kW | ||||
| Performance | ||||
|---|---|---|---|---|
| Maximum speed | 95 km/h | 60 mph | ||
| Capacity | ||||
|---|---|---|---|---|
| Passenger capacity (including driver) | 10-19 | |||
| Weights and Ground pressure | ||||
|---|---|---|---|---|
| Curb weight | 3410 kg | 3.4 t | 7,518 lbs | |
| Gross vehicle weight rating | 4900 kg | 4.9 t | 10,800 lbs | |
| Axle load distribution | 2000 kg / 2900 kg 2 t / 2.9 t 4,000 lbs / 6,400 lbs | |||
| Dimensions | ||||
|---|---|---|---|---|
| Overall length | 5995 mm | 19′9″ | ||
| Overall width | 2200 mm | 7′3″ | ||
| Overall height | 2760 mm / 2960 mm | 9′1″ / 9′9″ | ||
| Undercarriage and Suspension | ||||
|---|---|---|---|---|
| Number of axles | 2 | |||
| Wheelbase | 3300 mm | 10′10″ | ||
| Front overhang | 1260 mm | 4′2″ | ||
| Rear overhang | 1435 mm | 4′9″ | ||
| Angle of approach | 20° | |||
| Angle of departure | 17° | |||
| Miscellaneous | ||||
|---|---|---|---|---|
| Steering control | steering wheel | |||
Additional Information
Optional external overhead luggage racks and car air-conditioning systems, lighting around the circumference optional set; Elected loaded EQ6590KS1-119 chassis, use only 4100QBZL type (81KW) engine.

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