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Contents
Operator Station . . . . . . . . . . . . . . . . . . . . .3
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . .5
Undercarriage and Structures . . . . . . . . .6
Front Linkage . . . . . . . . . . . . . . . . . . . . . . . .6
Versatility . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Serviceability. . . . . . . . . . . . . . . . . . . . . . . .8
Technology Products . . . . . . . . . . . . . . . . .9
Customer Support. . . . . . . . . . . . . . . . . . .10
Specifications . . . . . . . . . . . . . . . . . . . . . .11
Standard and Optional Equipment. . . . .22
Features
Comfortable Operator Station
Spacious and quiet, this world class cab
lets the operator focus on performance
and production.
Industry-Leading Performance
The 311D LRR with a Cat
®
C4.2 ACERT
®
engine and overall system efficiency delivers
industry-leading productivity.
Maximum Versatility
Easily configure a large variety of work tools
with the Cat Tool Control System.
Proven Reliability
Caterpillar
®
design and manufacturing
techniques provide maximum uptime with
outstanding durability and service life.
Low Emissions Engine
Move material using less fuel with the
Cat C4.2 ACERT engine. It meets U.S. EPA
Tier 3 and EU Stage IIIA emissions while
maintaining the power and performance
expected from Caterpillar.
Achieve high productivity and lower operating costs
with the Cat
®
311D LRR Hydraulic Excavator. Unmatched
versatility, controllability, easy operation and a comfortable,
redesigned operator station help make the 311D LRR an
industry-leading performer.