international
construction
october 2014
48
ENGINES
Emissions impact
>
engineers were able to build up the
most comprehensive mapping of
equipment duty cycles, load factors
and operating conditions we have
ever created.
“This meant that from the
start of the near-zero emissions
regulations on January 1, 2014,
Cummins could ensure that
our engines entered production as
proven platforms, ready to provide
the most dependable performance
under the toughest conditions they
might encounter,” addedRumsey.
The field test also looked at minimising
Diesel Exhaust Fluid (DEF) consumption by using a
more effective spray pattern technique to encourage better
decomposition of the fluid. Cummins results show that DEF is
typically dosed at 3% to 4% of diesel by volume.
Initially focusedon theQSB6.7,QSL9 andQSX156-cylinder
engine range across the 130 kW to 503 kW power range, the
field-test programme then expanded to incorporate the new
heavy-duty QSG12 and compact QSF2.8. Field-testing is also
underwaywith the 4-cylinderQSF3.8 andQSB4.5 engines.
Stage IV engines
Deutz has also unveiled its latest Stage IV engines.The newly-
developed TCD 2.9 L4 features ultra-compact dimensions for
installation in tight spaces. Externally-cooled EGR and a high-
pressure common-rail system result in maximum performance
with minimal emissions. According to Deutz, the engine sets
class standards with a peak output of 55.4 kW and torque of
300Nm.
S
hell Global Solutions has developed a range of heavy-
duty diesel engine oils that are designed to react and
adapt to challenging operating conditions.
The Shell Rimula engine oils have been tested extensively
inwhat HansWildeboer, product application specialist at
Shell Global Solutions, called “real-world scenarios, working
with equipmentmanufacturers tomeet and exceed their
demands”.
The latest formulas, Shell RimulaR5 LE, Shell RimulaR4
X andShell RimulaR4 L, offer long oil drain intervals, which
helps to cut back on the time and cost associatedwith oil
changes, and keeps equipment available for longer.
Shell RimulaR5 LE is a semi-synthetic heavy-duty diesel
engine oil. It is formulated and designed to energise the oil’s
performance, provide improved low temperature flow and
to deliver an advanced Low-SAPS (low in sulphated ash)
formulation that helps control the blocking or poisoning of
exhaust after treatment devices of heavy duty on and off-highway vehicles.
Shell says RimulaR4 L uses the latest generation technology to deliver improved resistance towear,
deposits and oxidation. Based on high performanceGroup II base oils, it is said to be one of themost
advanced 15W-40 oil technologies available and suitable for virtually all vehicles.
Shell RimulaR4X is specifically designed toworkwith awide range of high-power, heavy-duty diesel
engines. It contains a combination of performance additives that are formulated to help reduce enginewear,
control acid and keep the engine clean.
Smooth operators
Lubricants deliver improved performance
HansWildeboer
Deutz’smost powerful
mid-class engine, the TCD
7.8, offers up to -5% lower
fuel consumption that
previousmodels.
