Komatsu’s PC138E-11 Electric Excavator Unveiled

Komatsu's PC138E-11 Electric Excavator

Komatsu, a leading name in construction machinery, is poised to redefine urban construction with the introduction of the PC138E-11 electric excavator. Initially available for rental in Japan and slated for a European expansion, this 13-tonne marvel integrates cutting-edge technology to address the unique challenges of urban construction. Boasting a powerful 72.5 kW electric motor and a 225.6 kWh lithium-ion battery, the PC138E-11 signifies a significant leap towards sustainability in the construction industry.

Electric motor72.5 kW
Battery225.6 kWh lithium-ion
Operating timesLong
Cooling systemFor battery and electrical components
Noise pollutionReduced

Key Features and Advantages:

The PC138E-11 offers a host of features geared towards enhancing both environmental sustainability and on-site operational efficiency. While specific operational metrics remain undisclosed, Komatsu underscores the machine’s compact dimensions – measuring 7,970 mm in length, 2,490 mm in width, and 3,005 mm in height. These proportions render it versatile, fitting seamlessly into diverse construction sites, particularly those within urban landscapes where space is at a premium.

Komatsu's PC138E-11 Electric Excavator

Noise reduction is a standout advantage of this electric excavator, addressing a critical concern in urban construction. The low vibration levels and effective ambient air cooling not only create a more comfortable working environment but also contribute to increased safety and communication among construction personnel.

The Smart Construction 3D Machine Guidance system enhances operational precision. Offering a customizable display, the system can be tailored to each customer’s machine configuration and operating conditions, showcasing Komatsu’s commitment to user-centric innovation.

Strategic Rental Approach and Future Plans:

Komatsu‘s strategic approach involves introducing the PC138E-11 through rental agreements, allowing a diverse range of customers to experience its environmental benefits and safety features. This move aligns with the company’s broader vision of establishing a market for electric construction machinery and achieving CO2 neutrality by 2050.

Komatsu's PC138E-11 Electric Excavator

While the PC138E-11 represents Komatsu’s first commercially available electric excavator, the company has been actively engaged in electric construction equipment development. A joint development agreement with Proterra in 2021 and plans to introduce a 20-ton electric excavator shortly underscore Komatsu’s commitment to pushing the boundaries of sustainable construction solutions.


The unveiling of the PC138E-11 marks a transformative moment for Komatsu and the construction industry at large. As urbanization accelerates, the demand for sustainable, efficient construction equipment grows. The PC138E-11 not only addresses this demand but sets a new standard for electric excavators, combining powerful performance with eco-friendly design. Komatsu’s foray into electric construction machinery signifies a forward-looking commitment to a greener, more sustainable construction landscape, paving the way for a future where environmental considerations and operational efficiency go hand in hand.

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