[Buses in Beijing]青年尼奥普兰 Youngman Neoplan JNP6120GHP-1 <HEV> 北京公交集团 BPT #88644 Front-right at Nangounihe

A Youngman Neoplan JNP6120GHP-1 12m low floor diesel-electric hybrid city bus

 

Neoplan version of "Beijing hybrid city buses", with its sibling King Long XMQ6127GH1, is the newest hybrid buses in Beijing, helping the number of operating hybrid buses in Beijing hit 860 in Spring 2010.

 

JNP6120GHP-1 inherit the modified Centroliner exterior from the "tail-lifted" diesel version. Tail design is completely different from the original Centroliner, featuring Euroliner tail lights instead. Handrails on the passenger doors are curved, but the door lock is at the bottom. Youngman also drop off the door-open indicator in front of the rear door. The interior remains identical to those of all new low floor buses in Beijing since 2008. The driver’s cockpit shielding glass becomes standard on BPT's new buses. No folding seats are placed on the wheelchair area.

 

Same as BJ6123C7C4D, JNP6120GHP-1 adopts a parallel diesel-electric hybrid system and the essential hybrid system from Eaton presents. Propulsion from the Cummins ISBe+225B 225hp Euro IV diesel engines drives the Eaton AMT (Automatic Mechanical Transmission) gearbox. Between the automatic clutch and the gearbox fits a permanent magnetic synchronous motor (PMSM) from Eaton with 44kW peak power and 26kW continuous power. Electricity collected from decelerating and braking is stored in the Li-Mn, non-plug-in-rechargeable battery packs, products of Citic Guoan MGL, beneath the last row of passenger seats instead of on the roof. An Eaton control unit commands the entire hybrid system.

 

The bus is propelled by the motor alone when speed is below 20km/h while the diesel engine takes over the job when speed exceeds. As the result, the bus accelerates from still with a sound very similar to that of an AC trolley-bus. ZF axles provide comfortable rides but unfortunately, due to the AMT gearbox, the gear shifting is not as smoothly as those AT buses do so that passengers are able to feel the presence of the slight dashes. But overall, XMQ6120GHP-1 is remarkable, although neither design or quality is comparable to the first batch of diesel JNP6120G-1. In addition, not a single Neoplan badge appear on the hybrid bus; some people become reluctant to call it a Neoplan.

 

In the picture, Fleet No. 88644 (Trolley-buses Division, hybrid or dual-power bus, code 644) on Line 425 is proceeding to Lincui Road - Datun Road Crossing. This is the west-end of Datun Road semi-underground tunnel which passes underneath the Olympic Green. Lines 425 use the tunnel without stops from the east-end Baofang stop. In total 40 JNP6120GHP-1s are in operation, all assigned to Line 425. Line 425 is dominated by Hybrid Neoplans with a few Fotons. In early 2008, Line 425 had its 1st version JNP6120G-1 diesel rigids replaced by 15.6m articulated buses; two years later, Neoplans come back and this time, hybrid!

Done