Assarel-Medet Takes Delivery of Liebherr R 9350 E Electric Excavator for Bulgarian Copper Mine

Why It Matters

The delivery showcases the mining sector’s shift toward electrified heavy equipment, reducing carbon footprints and operating expenses while enhancing safety and productivity.

Key Takeaways

• Fifth 300‑t Liebherr electric excavator delivered to Assarel‑Medet
• R 9350 E features 1,200 kW motor, zero‑emission operation
• Custom 17 cu m bucket boosts productivity at copper mine
• Electric drive cuts vibrations, noise, and maintenance costs
• Partnership with Liebherr spans three decades, 28‑machine fleet

Pulse Analysis

Electrification is rapidly reshaping large‑scale mining, with manufacturers rolling out high‑capacity electric shovels that can match or exceed diesel‑powered counterparts. The R 9350 E, a 300‑ton class face shovel, exemplifies this trend, offering a 1,200 kW motor that delivers the torque needed for bulk copper ore handling while eliminating tailpipe emissions. By integrating such machines, operators can meet tightening environmental regulations and investor expectations for greener production without sacrificing throughput.

Beyond its environmental credentials, the R 9350 E provides tangible operational advantages. The electric drivetrain reduces vibration and noise, creating a safer, more comfortable work environment for operators and nearby communities. Maintenance intervals are extended because the motor is engineered to last the machine’s entire service life, cutting spare‑part inventories and labor costs. The custom 17 cubic‑meter bucket further enhances cycle efficiency, allowing Assarel‑Medet to move more material per pass and improve overall mine productivity.

The delivery also underscores the strategic value of long‑term OEM partnerships. Since 1993, Assarel‑Medet’s collaboration with Liebherr and local integrator Alki‑L has grown into a diversified fleet of 28 machines, many of which have logged over 130,000 operating hours. This deep relationship facilitates rapid service support, knowledge transfer, and joint innovation, positioning the Bulgarian copper mine to adopt future upgrades such as autonomous electric equipment. As the industry pushes toward net‑zero targets, such alliances will be critical for scaling sustainable technologies across legacy operations.