# Volvo B12
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{{Infobox UK Bus
|background =
|name = Volvo B12
|image = FKU-750, Volvo B12-600 - Drögmöller Euro Comet E 330 H . TAMÁS-BUSZ, Mosonmagyaróvár, Hungary. - Flickr - sludgegulper.jpg
|imagesize =
|caption = [Drögmöller](/source/Dr%C3%B6gm%C3%B6ller)-bodied Volvo B12-600 in Hungary.
|interiorimage =
|interiorcaption =
|manufacturer = [Volvo](/source/Volvo_Buses)
|production = 1991-2001 (-2011)
|assembly = Sweden
Brazil
|predecessor =
|successor = [Volvo B12B](/source/Volvo_B12B)
[Volvo B11R](/source/Volvo_B11R) (Brazil)
|class = Coach chassis
|capacity =
|operator =
|length =
|width =
|height =
|floortype = Step entrance
|doors =
|weight =
|chassis =
|engine = 12.0/12.1-litre rear-mounted I-6
Volvo TD122, TD123, D12A[[http://www.letrika.com/katalog/applications.html?prod=VOLVO&T30=on&lang=E&oznaka=B&page=3 Commercial catalogue - Applications] Letrika]
''Brazil:'' TD122, D12D[[http://www.volvobuses.com/bus/brazil/pt-br/quem-somos/meio-ambiente/Documents/W1329-01%20%C3%B4nibus.pdf Valores de emissão de fumaça e ruído em ônibus] Volvo Buses Brasil]
|powerout =
|transmission =
}}
The '''Volvo B12''', also known as the '''Volvo B12R''', was a [rear-engined](/source/Rear-engine_design) heavy-duty coach chassis manufactured by [Volvo](/source/Volvo) in [Sweden](/source/Sweden) between 1991 and 2001, and in [Brazil](/source/Brazil) between 1997 and 2011.
==History==
The B12 was Volvo's first large coach chassis with a vertically mounted engine, which limited the available body models that would fit. It was first fitted with the 12.0-litre TD122/TD123, which in 1995 was replaced by the 12.1-litre D12A. Because of the engine height it was probably less popular than the lower [B10B](/source/Volvo_B10B), but it was Volvo's only rear-engined coach chassis that was offered as a tri-axle. The only other option for a tri-axle coach was the mid-engined [B10M](/source/Volvo_B10M), and not all customers wanted to have the engine "where the luggage was supposed to be". It was succeeded in 2001 by the [B12B](/source/Volvo_B12B), which had the same engine but in a horizontally mounted version.
Like with the [B6](/source/Volvo_B6) (B6R) and the B6LE (B6RLE), the B12 was marketed as the ''Volvo B12R'' in Australia. They were of the standard version built in Sweden, and not related to the far more known B12R built in Brazil between 2003 and 2011.
After Volvo had acquired [Drögmöller](/source/Dr%C3%B6gm%C3%B6ller) in 1994, they changed production there from building complete chassis-less coaches to building on Volvo chassis, and the obvious choice was the B12. Out of all the different models Drögmöller had, only two went on to become Volvo models from 1995. The ''E320 EuroPullman'' became [Volvo B12-500](/source/Volvo_B12-500) and the ''E330H EuroComet'' became [Volvo B12-600](/source/Volvo_B12-600). They were only available in standard 12-metre length. Later the B12-600 became the basis for the [9900](/source/Volvo_9900).
==Volvo B12B and B12R (Brazil)==
[[File:Busscar Vissta Buss Elegance 360.jpg|280px|thumb|[Itapemirim](/source/Itapemirim_(bus_company)) [Busscar](/source/Busscar) Vissta Buss Elegance 360-bodied B12R 6x2 in Brazil]]
The production of the B12 in Sweden ended in 2001 in favour of the B12B, but at Volvo's plant in [Curitiba](/source/Curitiba), Brazil, the chassis was also available later. After first being imported from Sweden, the Brazilian-made B12 was launched in 1997 as the B12B,[[http://www.volvogroup.com/group/brazil/pt-br/quemsomos/avolvonobrasil/cont_anos90/Pages/cont_anos90.aspx História - Anos 90] {{Webarchive|url=https://web.archive.org/web/20141111191811/http://www.volvogroup.com/group/brazil/pt-br/quemsomos/avolvonobrasil/cont_anos90/Pages/cont_anos90.aspx |date=2014-11-11 }} Grupo Volvo no Brasil] not to be confused with the European B12B launched four years later, and was built until 2001. It was then replaced by the [B10R](/source/Volvo_B10R_(Brazil)) with a vertical engine,[[http://www.volvobuses.com/SiteCollectionDocuments/VBC/Brasil%20-%20ILF/Downloads/l%C3%A2mina%20B12R_ingl.pdf Volvo B12R 6x2 technical specs] {{Webarchive|url=https://web.archive.org/web/20120916005245/http://www.volvobuses.com/SiteCollectionDocuments/VBC/Brasil%20-%20ILF/Downloads/l%C3%A2mina%20B12R_ingl.pdf |date=2012-09-16 }} Volvo Buses Brasil] In 2010 it was launched in a quad-axle[[http://www.volvobuses.com/SiteCollectionDocuments/VBC/Brasil%20-%20ILF/Downloads/Ficha%20T%C3%A9cnica%20B380R%206x2%20e%208x2%20Rodovi%C3%A1rio.pdf Volvo B12R 6x2/8x2 - Ficha Técnica] {{Webarchive|url=https://web.archive.org/web/20141111121129/http://www.volvobuses.com/SiteCollectionDocuments/VBC/Brasil%20-%20ILF/Downloads/Ficha%20T%C3%A9cnica%20B380R%206x2%20e%208x2%20Rodovi%C3%A1rio.pdf |date=2014-11-11 }} Volvo Buses Brasil] version for the largest double-deckers. The production ended in 2011, with the [B11R](/source/Volvo_B11R) taking over in 2012 under the names of B380R, B420R and B450R, depending on the power output.
==Engines==
===Sweden===
'''TD122''', 11 978 [cc](/source/Cubic_centimetre), in-line 6 cyl. turbodiesel (1991-?)
* TD122FH - 262 kW (356 bhp), 1550 Nm, [Euro I](/source/Euro_I)
* TD122FL - 291 kW (396 bhp), 1665 Nm
'''TD123''', 11 978 [cc](/source/Cubic_centimetre), in-line 6 cyl. turbodiesel (1992-1995)
* TD123E - 262 kW (356 bhp), Euro I
* TD123ES - 298 kW (405 bhp), Euro I
'''D12A''', 12 130 [cc](/source/Cubic_centimetre), in-line 6 cyl. turbodiesel (1995-2001)
* D12A340 - 250 kW (340 bhp), Euro II
* D12A380 - 279 kW (380 bhp), Euro II
* D12A420 - 309 kW (420 bhp), Euro II
===Brazil===
'''TD122''', 11 978 [cc](/source/Cubic_centimetre), in-line 6 cyl. turbodiesel (1996-2001)