busnews.com.au May 2018 ABC^49V
olvo’s B8R range will meet
any need in intercity and
commuter operations, the
company states. It’s highly
versatile through a range
of variants, yet firmly focused on reducing
operating costs.
The Volvo D8C330 engine is an in-line
six-cylinder 7.7-litre 330hp engine,
equipped with an overhead camshaft,
four valves per cylinder and common-rail
injection system. The engine meets the
European Union’s exhaust emission
standards according to Euro 5.
The eight-litre Volvo engine is very
fuel-efficient with high capacity, the
company says. As a result, it is among
other things suitable for bulk-goods,
regional long haul distribution and light
construction where both performance
and fuel economy are crucial factors.
The engine boasts a sturdy,
dependable design. Featuring an
overhead camshaft, four valves per
cylinder and precisely controlled
common-rail injection and waste-gated
turbocharger. Driveability is excellent
thanks to the broad torque range.
The engine timing mechanism is at
the rear of the engine, which leads to less
vibration and permits a rear-mounted
power take-off. The engine electronic
control unit (EECU) controls various
functions of the engine, and contributes
to a low fuel consumption and low
exhaust emissions. The system also offers
advanced scope for diagnostics and
fault-tracing.
Another key part of Volvo’s driveline
set-ups is the I-Shift 12-speed
manual gearbox with an automatic
gear-changing system. The Volvo I-Shift
is designed for tourist, intercity, regional
and route operations, where it provides
high driving and ride comfort and
excellent fuel economy.
Volvo I-Shift is a fast-responding
gear-changing system with minimum
interruption in torque delivery during
changes and a wide ratio span, a
combination that offers impressiveVolvo – for a
first-class fleet
resources for high average speeds,
it’s stated. The system consists of a
non-synchromesh manual gearbox with
an electronically regulated pneumatic
gear-changing system and an automatic
clutch. The gear selector is integrated
with the driver’s seat and gearchanges
are fully automated.
Starting ratio is selected automatically
in response to road gradient and gross
vehicle weight. Volvo I-Shift is available
with a choice of programme packages
and various functions. Among them
is a facility for choosing between fully
automatic gearchanges and manual
selection, and a performance mode with
a kickdown function that utilises the
engine’s capacity to the maximum.The transmission is a compact,
lightweight unit. It is divided into a
base unit and a range-change unit. The
base unit, range section and clutch
housing are made of aluminium, which
contributes to the low weight. The
transmission is factory-prepared for
installation with or without a compact
retarder (VR3250).
Long oil-change intervals mean
low operating costs and less
environmental effect. When special
oils are used, oil and filter changes take
place after a maximum of 400,000km
or every third year.The engine boasts a
sturdy, dependable
design.