Sunward launches full range of extended range electric drill rigs [video]
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Sunward, a Chinese heavy equipment brand, recently launched a new class of rotary drilling rigs that feature electric drive and onboard range-extending generators. These rigs, including the SWDM 420E, 520E, and 620E, are designed for deep foundation work in urban mega projects, providing low-vibration and efficient performance even in areas without grid power. The machines operate as extended-range hybrids, utilizing battery power and an internal combustion engine for energy generation when needed, addressing customer demands for flexibility in construction sites.
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