Caterpillar has developed its 312D/D L Series 2 excavator as a durable machine with low operating costs for sale in developing markets. Power for the 312D/D L Series 2 excavator comes from a Cat 3054C diesel rated at 67kW that meets Tier 2 and EU Stage II emissions regulations. The new model is available in standard and/or long undercarriage configurations, with operating weights from 12.9-13.9tonnes depending on the specification.
The new model is available in standard and/or long undercarriage configurations, with operating weights from 12.9-13.9tonnes depending on the specification. High performance is claimed even in tough applications, while this durable machine is also said to be easy to service and comfortable to operate. The machine also features an economy mode, allowing the operator to balance performance and fuel-economy requirements without a loss of breakout forces and lift capacity.
The versatile hydraulic system delivers plenty of hydraulic power to handle a wide range of buckets, quick couplers and hydro-mechanical work tools, while an automatic system selects boom or swing priority, based on joystick movement, to best suit the application. Hydraulic and electrical lines are routed to the boom for easy installation of auxiliary circuits, and the optional wedge lock coupler features a wedge-style locking system and is designed for severe applications, including demolition and quarry. The Center-Lock Pin Grabber Coupler features a patent-pending locking system that indicates to the operator if the tool is engaged or disengaged. The 312D/D L Series 2 can be offered with a one-piece reach boom and a choice of sticks, 2.5m and 3m, providing maximum dig depths of 5.54m and 6.04m, respectively.
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