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At the recent China International Import Expo held in Shanghai, Inner Mongolia North Hauler Joint Stock Co Ltd (NHL) officially launched the 240 t class battery electric NTE240E mining truck. It says this marks a key step for NHL in the electrification of large-scale mining equipment following the mass application of NTE130E pure electric mining trucks.
Previously, domestic large-scale heavy-duty mining transport scenarios has long relied on diesel fuel vehicles. NHL says the launch of this model provides more options for large-scale carbon reduction in large open-pit mines, promoting the extension of green mine construction to higher tonnage and larger scale scenarios.
The newly released NTE240E offers high availability, large tonnage, large battery capacity, fast charging, a high braking energy recovery rate and low lifecycle cost according to NHL. Its large single-trip capacity fully meets the capacity requirements of large-scale mining operations. The large capacity is combined with fast charging via a 3,100-4,100 kWh ultra-large power battery system, supporting continuous operation on a single charge.
NHL says it has pioneered a fast charging plus dynamic current reception dual-path energy replenishment system, using MW-level liquid-cooled DC fast charging technology, supporting high-power dual-gun MCS fast charging, operating at 25°C. Battery charge levels can be increased from 20% to 90% “within hours,” NHL says fully utilising shift changes and rest breaks for energy replenishment, with charging power and speed described at a leading level.
At the same time, a side/top current receiving system has been developed by NHL to support dynamic power supply for heavy-load uphill slopes, enhancing continuous operation capability. By optimising the brake energy recovery algorithm, the downhill brake energy recovery efficiency was improved by 15%, surpassing the industry average.
Compared to similar diesel-powered mining vehicles, the NTE240 replaces the engine and generator with a battery pack, achieving zero exhaust emissions during operation. Each vehicle reduces carbon dioxide emissions by 2,000 t annually, with operating costs expected to drop by more than 60%. It also eliminates the need for engines and components related to fuel powertrains, such as generators, plus no longer incurs daily maintenance and overhaul costs for corresponding parts, so NTE240E lifecycle costs are significantly better than those of diesel-powered mining trucks.
At the same time, to address the high dust conditions in mines, the vehicle is equipped with a standard turbocharger while also ensuring operational convenience. The interior uses easy-to-clean, stain-resistant materials to reduce daily maintenance difficulty. NHL has also introduced in-cab interactive AI for the first time to enhance the user experience. Equipped with a new generation intelligent driving cab, the space has increased by 25%, with excellent noise reduction.
Test site results showed cabin noise as low as 65 db, effectively improving the working environment for drivers during long-shift operations. From a safety perspective, the vehicle is equipped with an independent cable installation box as the second layer of safety for the high-voltage system, enabling rapid high-voltage power cut-off and building a solid safety barrier for maintenance operations.
NHL says it has always actively responded to the national dual carbon strategy and the major demand for green mine construction, providing strong support for carbon reduction, emission reduction, and green mining in open-pit mines through breakthroughs in large-tonnage mining transportation technology. It argues that the successful launch of the NTE240E fills the gap in the mass application of pure electric mining trucks over 240 t in large domestic mines.
At the same time, it adds that the NTE240E offers a technological combination solution of pure electric drive plus megawatt-level fast charging combined with dynamic power supply via side/top overhead lines, providing a replicable zero-carbon transportation path for open-pit mines worldwide.
Looking ahead to the next phase of new energy mining vehicle development, NHL says it will continue to focus on high-end, intelligent, green, and international directions, and keep improving its product matrix.
In addition to all electric trucks, at the same time, it continues to iterate its other diversified power routes such as hydrogen fuel and hybrid, while also promoting deep integration of new energy mining vehicles with autonomous driving and smart mining systems, and creating a complete zero-carbon mining solution consisting of the mining vehicle with solar energy production, energy storage, and fixed/dynamic charging or battery swapping with an intelligent dispatch system, allowing mines to flexibly choose new energy transportation solutions based on their own operating conditions.
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