2
Introduction
Since its introduction in the 1990s, the 300 Series
family of excavators has become the industry
standard in general, quarry, and heavy construction
applications. The all-new E Series and the 312E
will continue that trend-setting standard.
The 312E meets today’s U.S. EPA Tier 4 Interim
emission standards. It is also built with several
new fuel-saving and comfort-enabling features
and bene ts that will delight owners and operators.
If you are looking for more productivity and
comfort, less fuel consumption and emissions,
andeasier and more sensible serviceability, you
will nd it in the all-new 312E and the E Series
family of excavators.
Contents
Engine ...................................................................3
Operator Station..................................................4
Hydraulics ............................................................5
Structures & Undercarriage .............................6
Front Linkage .......................................................7
Work Tools ............................................................8
Integrated Technologies ..................................10
Serviceability .....................................................11
Safety ..................................................................12
Complete Customer Care.................................13
Sustainability .....................................................14
Speci cations ....................................................15
Standard Equipment.........................................31
Optional Equipment...........................................32
