Komatsu confirmed off a 20-ton-class electrical hydraulic excavator on the current bauma commerce present in Munich.
The machine is powered by a lithium-ion battery system from Proterra. Since January 2021, the 2 firms have been collectively creating electrical medium-sized hydraulic excavators, and have been conducting proof of idea checks on analysis machines at clients’ development websites.
Komatsu says the brand new excavator has achieved digging efficiency and sturdiness equal to these of engine-driven hydraulic excavators. “Hydraulic excavators are essentially the most versatile sort of development tools, and the mid-size class, particularly, is utilized in a variety of job websites and purposes, primarily in earth excavation and loading operations, requiring energy and sturdiness to resist heavy-load work,” says the corporate.
This mannequin integrates Proterra’s Li-ion battery know-how with Komatsu’s parts, such because the hydraulic pump, controller, and electrical motor for work tools operation. Komatsu has developed a sturdy cage construction to offer further safety for the battery packs.
The machine weighs 24,000 kg, and contains a 123 kW powertrain. The 451 kWh Proterra Powered battery system permits operation for as much as 8 hours when totally charged.
The excavator is scheduled to be launched to the Japanese and European markets in 2023.