Which type of aerial lift is often replaced by self-propelled scissor lifts for most tasks?

Self-propelled scissor lifts are often favored over vertical tower aerial lifts for various tasks due to their operational efficiency and versatility. Vertical tower aerial lifts are designed typically for reaching specific elevations in a straight vertical line, which can limit their usage in applications requiring horizontal reach or workspace flexibility.

In contrast, self-propelled scissor lifts not only provide height but also a larger platform area and increased stability, allowing multiple workers and tools to be used efficiently. This makes them more practical for tasks that require both vertical and horizontal maneuvering. Moreover, scissor lifts can operate on uneven surfaces better than vertical tower aerial lifts and often have a quicker setup time.

The other types of aerial lifts, such as telescopic boom lifts, articulated boom lifts, and bucket trucks, serve specialized purposes where their unique features—like significant horizontal reach or versatility in navigating obstacles—are necessary. However, for general tasks that require a compact footprint and ease of maneuverability, self-propelled scissor lifts have become the preferred choice over vertical tower aerial lifts.