The Volvo B9L (also known as the Volvo 7500, Volvo 7700 or Volvo 7900 for

integral In mathematics, an integral is the continuous analog of a Summation, sum, which is used to calculate area, areas, volume, volumes, and their generalizations. Integration, the process of computing an integral, is one of the two fundamental oper ...

models) is a fully low-floor single-decker bus

chassis A chassis (, ; plural ''chassis'' from French châssis ) is the load-bearing framework of a manufactured object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpart ...

constructed by

Volvo Buses The Volvo Group (; legally Aktiebolaget Volvo, shortened to AB Volvo, stylized as VOLVO) is a Swedish multinational manufacturing corporation headquartered in Gothenburg. While its core activity is the production, distribution and sale of truck ...

from 2005 until 2013, replacing the Volvo B7L and Volvo B10L. An

articulated An articulated vehicle is a vehicle which has a permanent or semi-permanent coupling in its construction. This coupling works as a large pivot joint, allowing it to bend and turn more sharply. There are many kinds, from heavy equipment to buse ...

model, known as the Volvo B9LA, is also available. It was superseded by the Volvo B5LH in

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. The engine is mounted vertically on the rear left overhang of the chassis similarly to with the B7L, allowing B9Ls to be low-floor throughout the whole length of the bus due to a lack of underfloor equipment. The Volvo B9L is available as an integral bus bodied by Volvo (7500/7700/7900) or as a chassis only, with bodies by other manufacturers. Additionally, the B9L reintroduced CNG engines, an option unavailable in its predecessor, the B7L. These versions replaced much older predecessor, the B10L. It was the last low-floor bus chassis from Volvo to be available with such option. Large orders for B9Ls were placed in

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, where they form the majority of the fleet, as well as in

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

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, and

Örebro Örebro ( ; ) is the seventh-largest city in Sweden, the seat of Örebro Municipality, and capital of Örebro County. It is situated by the Närke Plain, near the lake Hjälmaren, a few kilometers inland along the small river Svartån, and ...

. Despite this overall sales of the B9L were poor, especially outside of

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

, with many operators instead preferring the existing B7RLE or new B9S. Outside of Europe, ComfortDelGro Bus of

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had also purchased a fleet of SC Auto-bodied Volvo B9L buses in 2015 for its

National University of Singapore The National University of Singapore (NUS) is a national university, national Public university, public research university in Singapore. It was officially established in 1980 by the merging of the University of Singapore and Nanyang University ...

internal shuttle service. In Mainland China, Volvo B9L chassis is bodied with Volvo 7900 three-door bodywork manufactured by Shanghai SUNWIN Bus Corporation, a joint venture of SAIC Group and Volvo AB, assembly named SWB6128V8LF. The D9B engine is replaced by Weichai WP7.270E50 or Shanghai Diesel Engine SC9DF260Q5 designed and manufactured domestically. In Greece, specifically in

Thessaloniki Thessaloniki (; ), also known as Thessalonica (), Saloniki, Salonika, or Salonica (), is the second-largest city in Greece (with slightly over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area) and the capital cit ...

, the local operator OASTH introduced 44 B9LAs in 2007 (851-894) and in 2010 20 B9Ls (111-130) together with 20 B9LAs (901-920) were introduced, all constructed by ELVO. Eventually in 2019-2023 the 44 B9LAs from 2007 were mostly withdrawn due to serious chassis defects (Except for the bus 869 NHZ-6749).

References

{{Volvo Buses B09L Low-floor buses Single-deck buses Articulated buses Bus chassis Vehicles introduced in 2005