This Komatsu HB215 LC-1 is a used crawler excavator — commonly known as a digger — from 2011, currently located in Canning Vale, Western Australia. Crawler excavators are heavy earthmoving machines used across civil construction, mining, demolition, and land clearing, and Komatsu is one of the world's leading manufacturers of construction and mining equipment, with a long-established reputation for durable, technologically advanced machinery serving industries globally.
A defining feature of this machine is its hybrid hydraulic system, which Komatsu designed to reduce fuel consumption by approximately 25 percent compared to conventional excavators of its class, while also lowering NOx and CO2 emissions. The hybrid system works by fitting the upper structure's swing mechanism with an electric motor and generator combined in a single unit. As the upper structure decelerates during a swing cycle, the motor/generator captures the kinetic energy that would otherwise be lost as heat through braking, and converts it into electrical energy. That regenerated energy is stored in an onboard capacitor — rather than a conventional battery — and is then drawn upon to assist the engine during acceleration, reducing the load on the diesel powerplant at the moments it would otherwise work hardest.
The machine has an operating weight of 21,850 kg and a swing speed of 12.4 rpm. It is priced at AU$52,200 and is available from Western Australia.
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