Volvo B57 with Alexander Y Type body.
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Volvo B57 was a front-engined single-decker bus built by Volvo between 1960s and 1980s. It was equipped with the Volvo TD70-series engine.
Volvo B57 could be built in 3 different wheelbase lengths: 5 metres (B57-50), 5.5 metres (B57-55) and 6 metres (B57-60).
This vehicle was rare in the UK. Singapore Bus Services introduced them in the 1980s, and upon their retirement were eventually sold to Ireland and New Zealand.