en.Wedoany.com Reported - KOBELCO Construction Machinery USA Inc. (KCMU) has announced the launch of the new SK850LC-11. This large "Next Generation"-11 series machine delivers outstanding performance, enhanced efficiency, and more standard features.
Weighing 186,000 pounds, this 85-ton crawler excavator combines power and stability in high-capacity operations. The machine is equipped with a new 512-horsepower Isuzu TIER IV Final engine, providing ample power and torque to easily lift heavy loads and operate large tools. A balance of power and fuel economy is achieved through Kobelco's boom-arm hydraulic regeneration system, ECO mode, auto idle shutdown, and automatic engine deceleration.
The efficient and powerful hydraulic system maximizes power while minimizing fuel consumption. Kobelco's pilot control hydraulic system responds smoothly to operator inputs, delivering a digging force of 90,598 lbf and an arm force of 61,148 lbf. The system features automatic warm-up, bidirectional breaker combination swing with case drain, ISO and BHL mode switching, and boom and arm safety valves. The exclusive "Independent Travel" function enables multi-functional operations while traveling, including lifting, swinging, and carrying. By pressing a switch, the machine dedicates one hydraulic pump to the travel system and the other to all other functions, allowing the -11 series to smoothly lift and swing heavy loads while traveling—something most competitors cannot achieve. Heavy lift and power boost (unlimited time use) options provide the extra power needed to overcome the toughest working conditions, and the hydraulic pressure release function inside the cab allows users to safely and conveniently change work tools or hoses.
The heavy-duty external structure includes an expandable undercarriage, three track guides, belly guards, swing guards, and folding walkways. To enhance safety, the machine is equipped with six front and four rear LED work lights, an exclusive rear swing flashing light, a battery disconnect switch, and a heavy-duty Level II FOPS cab guard that is easy to open for cleaning. Additionally, a powerful reversible fan and removable clean-out screens keep the machine running cool.
The -11 series cab environment offers improved ergonomics and safety, with best-in-class interior space and visibility. The cab is equipped with a seven-way adjustable heated air suspension seat that moves in sync with the armrests and hydraulic controls, reducing operator fatigue and providing excellent vibration damping and ride comfort. The operator's pilot controls move horizontally without requiring wrist bending, while shorter control strokes enable faster, more precise movements. Multiple air conditioning and heater vents are directed toward the operator to maximize comfort. A knob on the right console integrates multiple functions into a single user interface, paired with a large 10-inch color display. The easy-to-navigate menu screen allows for reading important information, including working modes, maintenance intervals, and fuel consumption, and provides a 270-degree view through the machine's standard three-camera system. Hydraulic flow modes for breakers, crushers, and rotating grabs are now fully adjustable by the operator via the display, and mode settings for other attachments, such as hydraulic hammers, can be easily added or changed to customize the operating experience. Furthermore, all internal switches and knobs in the cab feature LED backlighting, ensuring clear visibility in dark environments.
The cab also includes FM/AM, AUX, Bluetooth, hands-free phone radio, a smartphone holder, USB charger, and a 12V power outlet. Standard features also include the KOMEXS telematics system, K-LOAD weighing system, and a four-year or 4,000-hour limited machine warranty. Optional items include a front cab guard and removable counterweight.
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