---
title: "Sunward launches full range of extended range electric drill rigs [video]"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/282541518.md"
description: "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."
datetime: "2026-04-13T12:08:29.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/282541518.md)
  - [en](https://longbridge.com/en/news/282541518.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/282541518.md)
generator: "portal-rs"
---

# Sunward launches full range of extended range electric drill rigs [video]

Last week, Chinese heavy equipment brand Sunward unveiled unveiled a new class of rotary drilling rigs that combine electric drive and actuation with onboard range-extending generators –bringing smooth, low-vibration performance to projects just about anywhere.

Rotary drilling rigs like these are used to bore deep foundation piles for everything from bridges to high-rise buildings, enabling the sort of massive urban mega projects that allow so many cities in Southeast Asia to make Manhattan look like Tulsa. As such, rotary drilling rigs like Sunward’s new SWDM 420E, 520E, and 620E are among the most critical machines operating on a major modern construction site. And that modern site? It may not have access to grid power.

That’s where things get tricky. Electric drive brings quieter operation, lower costs, and smoother, more precise performance –but it also assumes these sites have reliable access to grid power, and that’s not always true. That’s where the Sunward’s on-board generators (quite literally) kick on.

In practice, that means the big SWDM machines operate like extended-range hybrids, running on battery power with energy recovery systems in place to harvest wasted energy and an internal-combustion engine to generate kW when the batteries are depleted, offering exactly the sort of flexibility that Sunward’s customers have been asking for.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**