Engine
Reduced emissions, economical and reliable performance
Cat
®
C6.6 ACERT™ Engine
The Cat C6.6 ACERT engine delivers more horsepower
usingless fuel than the previous series engine.
Emissions Solution
Equipped to meet U.S. Tier 4 emission standards, the
320ELRR’s C6.6 ACERT engine features an aftertreatment
regeneration solution that requires no operator intervention.
Theregeneration process automatically starts once the
ltering system reaches acertain level – with no interruption
to machine performance or the work process.
Biodiesel-Ready Fuel System
The C6.6 ACERT engine is equipped with an electronic-
controlled high-pressure fuel system that includes an electric
priming pump and three-layer fuel hoses to allow the use
ofbiodiesel (meeting ASTM 6751 or EN14214) up to
B20(biodiesel 20% mixture).
Cooling System
The cooling system features an air-to-air aftercooler and
A/Ccondenser positioned for easy servicing; the viscous fan
automatically adjusts to ambient temperatures to help reduce
fuel consumption and noise.
Speed and Power Control
The 320ELRR features speed control to maintain a
constantspeed – regardless of load – to improve fuel
economy. Three different power modes are offered: high
power, standard power, and economy power. The operator
can easily change between modes through the monitor or
console switch to meet the needs for the job at hand – all
tohelp manage and conserve fuel.
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