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Scania at the Hannover show

Stylish new city bus first in new bus generation

Bus news from Scania at the Hannover exhibition:

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New low-floor city bus with a stylish new face – first in a new generation

Aluminium coachwork technology

Materials 90 percent recyclable

Flexible modular production system

New suburban bus chassis

New 9-litre powertrain

The first models in a new bus generation from Scania – the 4-series – make their international debut at the IAA in Hannover. The worldwide generation shift will be completed in around two years’ time.

Scania OmniCity – a new low-floor city bus concept

The Scania OmniCity is the first model in Scania’s new bus generation. The bus is styled by

Scania and fully bodyworked at Scania’s bus factory in Silkeborg, Denmark, using

technology jointly developed by Scania and Alusuisse. It will later be produced at the

Scania factories in Angers, France and Katrineholm, Sweden.

The bus is powered by Scania’s 9-litre engine, which was recently enlarged to a full 9 litres. Mounted transversely at the rear of the bus, this unit is available with 220 or 260 hp. An ethanol version of this engine will be offered later. Mounted in-line with the engine is a four- or five-speed automatic gearbox with integrated retarder.

The engine is inclined 60 degrees to the rear to allow the rearmost seat to be mounted on top of the engine. All seats are suspended from the roof and side walls, enabling the low-level floor area to extend uncluttered all the way through the bus. These features provide extra passenger capacity compared to other low-floor concepts.

Boarding height is 320 mm at the front door. Kneeling drops the body a further 90 mm. New front and rear axles allow the same floor level to be maintained throughout the bus.

Aluminium body – easy to repair and recycle

The body is integrally built in aluminium using a non-welding technology developed jointly by Scania and Alusuisse. This concept offers high flexibility to comply with customer demands and facilitates local assembly.

Aluminium was chosen for several reasons. The material is corrosion-free and easy to work with, especially when no welding is needed. It is light and strong – enabling the weight to be reduced by 600 kg compared to the previous city bus generation.

A major environmental benefit is the fact that aluminium is fully recyclable and can be used over and over again. This means that a full 90 percent of the materials in the new bus are recyclable.

Safety features high

The brake system features discs on all wheels, albeit without the electronic control used on Scania trucks. The system is split into three circuits and anti-lock is standard. Disc brakes are light and powerful and easy to maintain.

Impact protection is incorporated at the front and along the sides for maximum passenger safety. Externally, the shape is rounded to cause minimum harm.

Servicing

Access to the engine compartment is via a parallelogram lid that slides upwards, well out of the way. Daily checks are easily made at eye level and the whole powertrain lifts out for overhauls. The electrical system is a model of simplicity thanks to multiplexing.

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New suburban bus

A new bus chassis for suburban and interurban operation is launched in Hannover – the

second model in the new bus generation. New design features facilitate bodyworking and

enable the total number of components to be reduced.

The new chassis is composed of modules that can be combined in many different ways – similar in concept to the modular system on Scania trucks. Parts supply is facilitated and downtime is reduced for servicing and repairs.

The modular chassis layout reduces the number of models in production. A total of 45complete chassis models are built in the 3-series. This comes down to 7 main chassismodules when the 4-series bus and coach range is complete. The components used for each module are also standardised and interchangeable for maximum flexibility.

9-litre powertrain

The suburban bus chassis is powered by Scania's new 9-litre engine with optional outputs of 220, 260 or 310 hp. An ethanol version of the engine will be available later.

The engine is inclined 60 degrees to the left, lowering the rear floor level and enabling double doors to be fitted aft of the rear axle. The manual Scania gearbox has an integrated retarder. An automatic gearbox is optional. Electronic level control is used for the suspension system, which includes a kneeling option.

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Scania is one of the world's leading manufacturers of trucks and buses for heavy transport applications, and of industrial and marine engines. With 22,000 employees and production facilities in Europe and Latin America, Scania is one of the most profitable companies in its sector. In 1995, turnover totalled approx. SEK 34,800 million and profits after depreciation approx. SEK 4,800 million. Scania products are marketed in about 100 countries worldwide and approximately 95% of total production is sold outside Sweden.