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ACERT Technology. The Cat
®
C15
ACERT™ engine introduces a series of
evolutionary, incremental improvements
that provide breakthrough engine
technology built on systems and
components developed by Caterpillar
with proven reliability. The technology
capitalizes on Cat expertise in four core
engine systems: fuel, air, electronics
and after treatment. ACERT technology
is a unique and revolutionary systems
solution that enables Cat engines to
meet today’s clean air regulations, thus
establishing the building blocks for
attaining tomorrow’s more stringent
standards.
C15 Block. The one-piece, gray iron
block features generous ribbing for
stiffness and heavy bearing bulkheads
for rigidity and strength as the crankshaft
turns. Straight O-ring connection points
reduce the loss of engine oil and fluids.
Cylinder Head and Piston Technology.
The C15 ACERT engine has a cross-
flow cylinder head with refined port
geometry, which provides improved
breathing and better combustion.
The Monotherm/steel pistons have
a forged steel design, which offers
high strength, light weight and tighter
tolerances. The result is better oil
control, minimal blow-by and long
liner life.
Advanced Diesel Engine Management
(ADEM) A4 Engine Controller.
The ADEM™ A4 electronic control
module manages fuel delivery to get
the best performance per liter or gallon
of fuel used. The engine management
system provides flexible fuel mapping,
allowing the engine to respond quickly
to varying application needs. It tracks
engine and machine conditions while
keeping the engine operating at peak
efficiency.
Fuel Delivery. Multiple injection
fuel delivery involves a high degree
of precision. Precisely shaping the
combustion cycle lowers combustion
chamber temperatures, generating
fewer emissions and optimizing fuel
combustion. This translates into more
work output for your fuel cost.
Noise Reduction Technologies.
Noise reduction has been achieved
through design changes to the isolated
top cover, oil pan, multiple injection
strategy, insulated timing case cover,
sculpted crankcase and gear train
refinements.
4
Cat C15
®
Engine with ACERT™ Technology
A combination of proven systems and innovative new technologies, ACERT engines optimize
performance while meeting EPA Tier 3 and EU Stage IIIa engine exhaust emission regulations.