Komatsu America Corp. is promising first-to-last-pass accuracy in a stable and productive machine across applications via the new PC290LCi-11 Tier 4 final emissions-certified hydraulic excavator.
As well, the new excavator doesn’t deliver the transportation-permit headaches of bigger machines.
The new PC290LCi-11 features intelligent Machine Control (iMC), which is based on Komatsu’s unique sensor package, including stroke sensing hydraulic cylinders, an IMU sensor and GNSS antennas.
The technology utilizes 3D design data loaded in the control box to accurately check its position against the target to semi-automatically limit over-excavation.
“The PC290LCi-11 is perfect for applications where the customer is looking for good stability and working range, while avoiding the transportation limits of larger-size-class excavators,” said Andrew Earing, senior product manager of tracked equipment at Komatsu.
The hydraulic excavator also includes Intelligent Machine Control joysticks, which allows semi-auto/manual-mode switching and design surface offset function can be operated with switches on the control levers.
Via Auto Grade Assist, as the operator moves the arm, the boom adjusts the bucket height automatically, tracing the target surface and minimizing digging too deep.
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Another feature on the excavator is Auto Stop Control, which allows the work equipment to automatically stop when the bucket edge reaches the design surface, thus minimizing design surface damage.
Also, with Minimum Distance Control, the machine controls the bucket by automatically selecting the point on the bucket closest to the target surface. If the machine is not facing a sloped surface at a right angle, it will still follow the target surface and minimize digging below it.
Another new feature is Facing Angle Compass that allows the bucket edge to be accurately positioned square with the target surface. The orientation of the facing angle compass’ arrow shows the operator the facing angle, relative to target surface.
Realistic 3D Display is also included on the excavator. This allows the angle and magnification of the views to be changed, allowing the operator to select the optimum view, depending on work conditions.
Inside the cab, the Intelligent Machine Control monitor uses a large 30 cm screen for visibility and ease of use. The simple screen layout displays the necessary information in an easily understood fashion. A touchscreen icon interface, instead of a multi-step menu, simplifies operation.
The PC290LCi-11 excavator is equipped with a 6.69 litre, 196 hp, EPA Tier 4 Final, SAA6D107E-3 engine.
Furthermore, KOMTRAX level 5 technology feeds the operator machine data, such as fuel and diesel exhaust fluid (DEF) levels, Komatsu Diesel Particulate Filter (DPF), regeneration status, location, cautions and maintenance alert information.