[Buses in Beijing]黄海 Huanghai DD6129S31 (AT, Standard-floor) 北京公交集团 BPT #63206 Front-right at Hangtian Bridge South

A Huanghai-built, type DD6129S31 12m (39 ft.) standard-floor diesel bus serving Line 64 of Division 6.

 

BPT's fleet enrolls several different versions of DD6129S31: a Bafangda standard-floor with manual transmission, a red-and-grey standard-floor with Allison and a red-and-grey step-entry with Allison. The standard-floor AT is the only one of its kind among the red-and-grey rigid buses introduced after the 2005 grand invitation to bids. Sharing the same Cummins ISBe 220 31 5.9L 220PS (162kW, 217hp) diesel engine, Allison T270R gearbox and leaf-spring suspension, Jinghua BK6125DK and King Long XMQ6122G (step-entry version) are all step-entry buses, leaving the first-batch DD6129S31 the only 12m standard-floor model among its peers. Later in the year, Huanghai provided an updated, step-entry version to make up the difference.

 

Although not friendly to senior passengers, the 750mm (2.5 ft.) floor does provide a remarkable capacity and an extremely open view through the large side glass. Quality is about average among hundreds of BPT bus models; being one of the earliest Huanghai model introduced after the grand invitation of bids, DD6129S31 established the Huanghai's reputation of quality as a leading bus manufacturer.

 

Similar in every aspect, DD6129S31 is very easily confused with its 11m sibling DD6118S11.

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