Komatsu Launches its 3rd Generation Hybrid Excavator
Komatsu America Corp. recently introduces the new HB215LC-2 hybrid hydraulic excavator. This third generation model is based on iterations of Komatsu hybrid experience. The HB215LC-2 is the result of years of Komatsu research and development exemplifying the company’s firm commitment to quality, reliability and environmental stewardship.
Komatsu was the first in the industry to introduce a hybrid excavator. Since that introduction in 2008, the company has sold over 2500 hybrid excavators worldwide.
Komatsu continues to strengthen its innovation leadership in the construction equipment market by delivering an excavator that features enhanced hybrid components, a new efficient Komatsu EPA Tier 4 Interim engine and powerful lift capacity and stability. Further refinement of Komatsu hybrid technology has further improved the fuel efficiency of the HB215LC-2 while still delivering fast and powerful swing performance for the operator. The HB215LC-2 has an increased operating weight of 22,400 kg. and a bucket capacity of 1.2 m3.
The hybrid excavator is equipped with the full featured KOMTRAX® remote monitoring technology. Data such as fuel levels, operating hours, location, cautions and maintenance alerts are relayed to the web application for analysis. A new Auto Idle Shutdown function helps reduce idle time as well as operating costs.
The HB215LC-2 does not have a scheduled replacement interval for its Komatsu Diesel Oxidation Catalyst (KDOC). The KDOC integrated design allows this simple system to remove soot using 100% “true passive regeneration” without the need for a Diesel Particulate Filter (DPF). The KDOC is designed for long life without a scheduled replacement interval. Less complexity and truly seamless operation for the operator means lower owning and operating costs. Also incorporated is a variable-flow turbocharger that provides optimal airflow under all speeds and load conditions.
The HB215LC-2 is powered by the Komatsu Hybrid System, which includes Komatsu’s electric swing motor, power generator motor, ultra-capacitor and a powerful 139 hp SAA4D107E-2-A diesel engine. Komatsu developed its revolutionary hybrid system to work on the principle of swing energy regeneration and energy storage using the Komatsu Ultra Capacitor system. Komatsu’s Ultra-Capacitor provides fast energy storage and instantaneous power transmission.
The kinetic energy generated during the swing-braking phase is converted to electricity, which is sent through an inverter and then captured by the Komatsu Ultra Capacitor. When accelerating under workload conditions that captured energy is discharged very quickly for upper structure rotation and to assist the engine as commanded by the hybrid controller. The reserve power stored by the hybrid technology equates to approximately 60 additional horsepower. This reserve power is available to maximize machine performance by supporting the engine or is used for swing power.
The HB215LC-2 saves an average of 20% fuel with an equivalent reduction in CO2 emissions as compared to the standard excavator model. The new Hybrid HB215LC-2 offers power and efficiency, yet reduces environmental impact.
The new cab provides a more comfortable and quieter work environment to help operators maximize productivity. The ROPS-certified cab, specifically designed for hydraulic excavators, gains strength from a reinforced box structure framework. The cab is mounted on viscous isolation dampers that help provide low vibration levels. A higher capacity air suspension high back seat and heat are standard for improved comfort. In addition to the standard radio, a remote-located auxiliary input for connecting external devices is provided to play music through the stereo cab speakers. Additionally there are two 12 V power ports incorporated into the cab.
A high resolution 7” LCD color monitor features enhanced capabilities and the operator can easily select up to six working modes to match machine performance to the application. The monitor panel provides information on ECO guidance, operational records, fuel consumption history, and utilization information. A standard rearview camera with a wide landscape display allows the operator to view directly behind the machine.
Komatsu’s third-generation hybrid excavator has been designed for easier serviceability and adaptability. The HB215LC-2 has an additional service valve for use with hydraulic attachments and a pattern change valve as standard equipment.
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