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Environmentally Responsible Design
Quieter operation, lower engine
emissions, less fluid disposal and
cleaner service can help you meet or
exceed worldwide regulations and
protect the environment. pg. 4
Hydraulics
The hydraulic system has been designed
to provide reliability and outstanding
controllability with increased digging
forces, lifting capacity and drawbar
pull. The Cat Tool Control System
provides enhanced flexibility.
The Heavy Lift Mode maximizes
lifting performance and maintains
excellent stability. pg. 5
Operator Station
Provides maximum space, wider
visibility and easy access to switches.
The monitor is a full-color graphical
display that allows the operator to
understand the machine information
easily. Overall, the new cab provides
a comfortable environment for the
operator. pg. 6
Excellent controllability and reliability, impressive
lift capacity, better fuel efficiency, simplified service
and a more comfortable operator station to increase
your productivity and lower your operating costs.
SmartBoom
TM
More productive. Faster cycle times
for truck loading and rock scraping.
Maintains optimum hammering
frequency for effective, steady
productivity. pg. 5
Engine
The Cat
®
C7 engine with ACERT™
Technology offers better fuel efficiency
and reduced wear. It works at the point
of combustion to optimize engine
performance and provide low exhaust
emissions. By combining ACERT
Technology with the new Economy
Mode and Power Management,
customers can balance the demands of
performance and fuel economy to suit
their requirements and application. pg. 4
329D L and 329D LN Hydraulic Excavators
The D Series incorporates innovations for improved performance,
controllability and versatility.