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Cat C7. The Cat C7 with ACERT™
Technology introduces a series of
evolutionary, incremental improvements
that provide breakthrough engine
technology. The building blocks of
ACERT Technology are fuel delivery,
air management and electronic control.
ACERT Technology optimizes engine
performance while meeting U.S. EPA
Tier 3 engine emission regulations.
Performance. The 325D L, equipped with
the C7 engine with ACERT Technology,
provides 12% more horsepower as
compared to the 3126B ATAAC HEUI
in the 325C L.
Automatic Engine Speed Control.
The two-stage, one-touch control
maximizes fuel efficiency and reduces
sound levels.
ADEM™ A4 Engine Controller.
The ADEM A4 electronic control
module manages fuel delivery to get the
best performance per liter 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.
Electronic Control Module.
The Electronic Control Module (ECM)
works as the “brain” of the engine’s
control system, responding quickly to
operating variables to maximize engine
efficiency. Fully integrated with sensors
in the engine’s fuel, air, coolant, and
exhaust systems, the ECM stores and
relays information on conditions such
as rpm, fuel consumption, and diagnostic
information.
Fuel Delivery. The Cat C7 features
electronic controls that govern the fuel
injection system. 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.
Cooling System. The cooling fan is
directly driven from the engine.
An electrically controlled viscous
clutch fan is available as an attachment
to reduce fan noise. The optimum fan
speed is calculated based on the target
engine speed, coolant temperature,
hydraulic oil temperature and actual
fan speed. The Cat C7 delivered a
completely new layout that separates
the cooling system from the engine
compartment.
Air Cleaner. The radial seal air filter
features a double-layered filter core for
more efficient filtration and is located in
a compartment behind the cab. A warning
is displayed on the monitor when dust
accumulates above a preset level.
Noise Reduction Technologies.
The engine mounts are rubber-isolating
mounts matched with the engine package.
Further noise reduction has been
achieved through design changes to
the isolated top cover, oil pan, multiple
injection strategy, insulated timing
cover, sculpted crankcase and gear
train refinements.
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C7 with ACERT™ Technology
Built for power reliability, economy and low emissions.