July / August 2007
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WHEELED EXCAVATORS GET MORE LIFT AND ENHANCED OPERATOR CONTROL
The Caterpillar D-Series wheel excavators – the M313D, M315D, M316D, M318D and M322D – deliver increased lift capacity and faster cycle times through changes in engines and hydraulics as compared to the C-Series machines they replace. The new D-Series also features expanded versatility and enhanced operator control as well as fuel efficiency that is seven to eight percent greater than the previous models.
Each of the new D-Series wheel excavators achieves greater performance and reduced operating costs primarily through the use of a Cat engine with ACERT Technology, the addition of a dedicated hydraulic pump for the excavator swing function, and the addition of a heavy lift mode – for boosting lift capability by seven percent at the touch of a button. The new systems accelerate essentially all excavator functions and produce power that the operator can feel and put to work. Each of the D-Series machines has greater drawbar pull, increased bucket and stick force, greater dig depth and longer reach than the equivalent C-Series machine.
The D-Series wheel excavators range in size from 127 net horsepower (95 kW) and operating weight of about 31,000 pounds (14 000 kg) to 166 net horsepower (124 kW) and operating weight of about 48,000 pounds (22 000 kg).
Caterpillar Inc.
RRC #5034
RRC #5034
