Most of them have their boxy roof dome (slightly arched) with a double-curvature windscreen, separately mounted destination indicator and pantograph system windshield wipers that was used on some buses such as the Dennis Dart, Leyland Lynx, MAN NL262 and the MAN SL202.

It has a boxy roof dome (slightly arched) similar to the MAN NL202 and the MAN NL262 with a double-curvature windscreen with a separately mounted destination display just that it has a full low floor layout with seats mounted on platforms.

Because of the difference in height between the front and rear modules of the chassis, there are one or more steps leading up from behind the centre door position to a standard O405 floorline.

A total of 365 O405s were built for operators in the United Kingdom, with Travel West Midlands purchasing 204.

[3][4] A total of 204 O405Ns were built for operators in the United Kingdom, with Travel West Midlands purchasing 193.

[5] A total of 15 O405GNs were built for operators in the United Kingdom, with Travel West Midlands purchasing 11.

It also inherited four Custom Coaches bodied O405s when it purchased North & Western Bus Lines.

Between October 1999 and December 2001 it received 300 Custom Coaches bodied CNG O405NHs with the O405NH discontinued after this order.

[7] The 300 Custom Coaches O405NH ordered by State Transit were delivered from Germany as a fully constructed frame and panels were fitted by Custom Coaches, so that as many of these buses could be on the road in time for the Sydney Olympic Games.

In Western Australia, Transperth took delivery of their O405NHs between 1999 and 2003 with 48 natural gas and 349 diesel buses delivered including the six for Perth CAT services before being replaced by its successor, the OC500LE.

Other customers of the O405s included Busways, Quince's Scenicruisers and Westbus, Clarks Bus Service and Surfside Buslines.

The Volgren-bodied O405s on the other hand were used as permanent training buses, only fully retiring by late February 2017.

They experienced hard turbulence on the Tsar Boris III avenue, but remained unbroken.

However, two buses are not scrapped yet and stay in Druzhba depot, but both are with huge amount of missing parts so their destiny is not clear.

Lagos based private company Lagbus (Red Buses) of LAMATA is known to have at least adopted 1 O407 from Germany to work regular services, making it the unique unit of its Yutong ZK6100NGA9, Marcopolo and Ashok Leyland dominated fleet.

Production of the O405 series ended in 2001 when the last articulated buses were delivered to Trans-Island Bus Services.