Dongfeng Chaolong EQ6620CBEVT1 bus (pure electric 10-17 seats)

Dongfeng Chaolong EQ6620CBEVT1 Bus (Pure Electric, 10-17 Seaters)

The Dongfeng Chaolong EQ6620CBEVT1 is a pure electric city bus with a length of 6.24 meters, a width of 2.145 meters, and a height of 2.69-2.84 meters (2.84 meters with optional air conditioning). It has a curb weight of 4.3 tons and a gross vehicle weight of 6.5 tons. It has a rated capacity of 10-17 seats (with an optional 30-seat bus layout). The bus is equipped with a TZ260XSD20 motor manufactured by Shenzhen Dadihe Electric Co., Ltd., with a rated power of 60 kW, a peak power of 120 kW, and a top speed of 69 km/h (with a standard speed limiter). It uses a lithium-ion battery pack from AVIC Lithium Battery (Luoyang) Co., Ltd. and supports external charging.

Vehicle Configuration

The vehicle features a monocoque design with a 3.5-meter wheelbase and front and rear overhangs of 970/1770 mm, respectively. It is equipped with a three- and four-leaf spring suspension, 215/75R17.5 tires, and an axle load distribution of 2300/4200 kg. Safety features include the Guangzhou Komi ABS system (models CM4XL-4S/4K), an optional left-side emergency door, a hybrid side window structure, and the elimination of the rear passenger door (the standard rear emergency door is no longer available). This vehicle is suitable for urban bus shuttles. While its technology is still in its developmental stages, it can be equipped with an optional roof-mounted air conditioner (which increases the vehicle's height by 150 mm).

Vehicle Features

The powertrain is powered by a permanent magnet synchronous motor. The battery pack has a total energy capacity of 62 kWh, a constant-speed driving range of 160 km, an energy consumption per unit load of 0.216 Wh/km·kg, and a battery system energy density of 86 Wh/kg. The vehicle's exterior dimensions meet the requirements of urban road traffic, with approach angles/departure angles of 17°/9°. It is equipped with six 215/75R17.5 tires and supports optional embedded sliding side windows and bracket rearview mirrors.