The spider crawler crane is a compact and powerful lifting machine designed to operate in challenging environments where conventional cranes struggle. Equipped with a crawler undercarriage and independently adjustable spider-like legs, it offers superior stability, agility, and load-handling capability on uneven or confined job sites. Ideal for both indoor and outdoor tasks, it excels in glass installation, residential construction, and urban infrastructure projects. Due to its compact size and high lifting capacity, it is increasingly used in high-rise maintenance, factory operations, and municipal engineering.
Main Parameters of Spider Crawler Crane
| Model | YG-3 | YG-5 | YG-8 | |
| Specification | 3t | 5t | 8t | |
| Maximum working radius | 8.83m×0.15t | 14m×0.5t | 16.5m | |
| Maximum above-ground head | 9.9m×0.7t | 16.8m | 18m | |
| Winch device | Hook Speed | 0-8m/min(4 rope) | 12m/min(4 rope) | 12m/min(4 rope) |
| Rope diameter | φ8mm×45m | Φ11mm×80m | Φ11mm×80m | |
| Telescopic system | Boom Type | 5-section boom, pentagonal structure | 5-section boom, pentagonal structure | 5-section boom, pentagonal structure |
| Boom Length/Time | 3.1 m-9.2 m/20sec | 12.3m/54sec | 12.3m/54sec | |
| Up and down | Boom Angle/Time | 0°~78°/13sec | 0°~78°/13sec | 0°~78°/13sec |
| Slew system | Slew Angle/Speed | 0-360°continuous/60sec | 0-360°continuous/38sec | 0-360°continuous/38sec |
| Traction system | Walking Way | Hydraulic motor drives | Hydraulic motor drives | Hydraulic motor drives |
| Walking Speed | 0~2.5km/h | 0~2.5km/h | 0~2.5km/h | |
| Grade Ability | (25°)36% | (25°)36% | (25°)36% | |
| Operating system | Operation type (Boom/outrigger) | Manual operation, manual walking(remote control option) | Manual operation, manual walking(remote control option) | Manual operation, manual walking(remote control option) |
| Operating characteristics | Manual operation, remote control | Manual operation, remote control | Manual operation, remote control | |
| Transport parameters | L*W*H(mm) | 2950*980*1560 | 5000*1500*1900 | 5000*1600*2180 |
| Total weight(kg) | 2700 | 6200 | 7200 | |
Working Principle and Design Structure
The spider crawler crane functions through a hydraulic system that powers its boom movements—lifting, rotating, and extending. The crawler tracks provide mobility across rough or soft terrain, while the spider legs stabilize the machine during lifting. Each leg adjusts independently, allowing for self-leveling on sloped or uneven ground. The use of advanced control systems, including wireless remotes, enhances both safety and precision during operation.
Core Design Advantages
One of the most significant benefits is its adaptable leg system. The four outriggers extend and rotate individually, ensuring that the crane can be leveled even on sloping surfaces. Its crawler chassis offers reliable traction, allowing for movement over gravel, mud, or stairs. Despite its small footprint, the structure is robust, allowing for heavy-duty lifting with minimal risk of tipping or shifting. In comparison to larger cranes, it is lighter, quieter, and easier to transport, yet still capable of executing critical lifting operations.
Application Scenarios
- Glass and curtain wall installation: With vacuum lifters, it can lift glass panels even beneath overhangs or on rooftops.
- High-rise construction: Its compact frame allows it to be moved via elevator for indoor or upper-level installations.
- Residential projects: It is suitable for lifting equipment and materials in tight residential spaces.
- Municipal and factory work: Frequently used in infrastructure projects like subways, stations, and dams, as well as equipment maintenance or assembly in factories where overhead cranes are not viable.
- Roof access: Often used for rooftop hoisting, especially in renovation or mechanical system installation.
Why Choose YG’s Spider Crawler Crane?
YG Machinery provides high-performance spider crawler cranes built with international safety standards and innovative technology. Our models are tested for durability, precision, and stability in the most demanding conditions. Whether you’re searching for a mini crawler crane for sale or a mini mobile crane for your urban project, YG offers customizable solutions to fit your operational needs. Additionally, YG’s product range includes other versatile lifting and construction equipment, such as: Mini spider crane, Hydraulic scissor lift, Telescopic boom lift, Tracked aerial lift, Mobile stone crusher, Electric wire saw, Small water well drilling rig. Our experienced team can help you select the right solution based on your budget, site requirements, and project timeline. We also provide full technical support and after-sales service to ensure smooth operation. Contact YG.【WhatsApp/WeChat/Phone/Skype】+86 13837115193.