Yutong ZK5120A1

Yutong ZK5120A1 "Classic Star III" — 11.99 metre dual-mode trolleybus. This model was the penultimate “电鲨” (electric shark) trolleybus ordered and thus also the last batch of trolleybuses which featured proprietary exterior designs of the then Guangzhou Trolleybus Company, with subsequent trolleybuses being off the shelf models. This model was fitted with batteries of two different chemistries: LiFePO4 batteries were fitted to D1-A273 to D1-A293 and lead-acid batteries to D1-A294 to D1-A354.

Compared to the earlier trolleybuses in this series, the ZK5120A1 featured larger wheels (11R22.5), making access into certain terminii easier. This increased the height of the trolleybus from 3.5 to 3.6 metres.

Motor/电机：Hunan CSR Times 湖南南车时代 JD185 100-150㎾
Gross vehicle mass/总质量：18000 kg
Batteries/电池：LiFePO4 41 kWh (410 V/100 Ah) /lead-acid 铅酸 23.04 kWh (384 V/60 Ah)

宇通 ZK5120A1 “典雅之星 Ⅲ” — 广州市电车公司与宇通联合研发的11.99米双源无轨电车。ZK5120A1为最后一代含有广州无轨电车公司外观知识产权的电车。与前四代“电鲨”不同，为了方便电车进出场站，ZK5120A1采用了更大尺寸的轮胎（11R22.5）。

D1-A273—D1-A293采用磷酸铁锂电池，D1-A294—D1-A354采用铅酸电池。

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