OSAKA -- Japanese construction machinery maker Komatsu unveiled a mass-produced midsize electric hydraulic excavator on Friday, as the company eyes the nascent market for quiet, environmentally ...

When contractors need to dish the dirt they look for a sturdy, reliable vehicle that will get the job done in optimum time at the lowest cost, maximising on fuel efficiency and labour. Luckily, a new ...

Hybrid technology is all the rage these days. Carmakers continue to add hybrid vehicles to their product line-ups, and in the last few years, construction-equipment manufacturers also have entered the ...

Komatsu's hybrid excavator uses the stopping force of the swing arm to produce energy. That energy is stored in a capacitor and then discharged immediately to help power the swing arm, engine, and ...