Crawler spider crane, also known as a mini spider crane or compact crawler crane, is a lightweight, highly maneuverable lifting machine designed for operations in tight spaces where traditional cranes cannot access. With unmatched stability, remote operation, and ultra-low ground pressure, these agile machines access spaces traditional cranes can’t. Ideal for construction, industrial maintenance, landscaping, and indoor projects.
Crawler Spider Crane Specifications
| Model | YG-3T | YG-5T | YG-8T |
| Maximum operating radius | 8.83m×0.2t | 14m×0.5t | 16.5m*0.5t |
| Maximum ground lift | 9.2m | 16.8m | 18m |
| Hook rising speed | 0-8m/min (4 ropes） | 12m/min (4 ropes） | 12m/min (4 ropes） |
| Wire rope specifications | φ8mm×45m | φ11mm×80m | φ11mm×80m |
| Telescopic arm form | 5-section boom, U-shaped structure | 5-section boom, U-shaped structure | 5-section boom, U-shaped structure |
| Telescopic arm length/time | 3.1m-9.2m/20sec | 4.7m-16.5m/54sec | 4.7m-16.5m/54sec |
| Boom angle/time | 0-78°/13sec | 0-78°/13sec | 0-78°/13sec |
| Rotation angle/speed | 0-360°（continuous）/60sec | 0-360°（continuous）/38sec | 0-360°（continuous）/38sec |
| Overall size | 2.98*0.8*1.5m | 5*1.5*1.9m | 5*1.6*2.18m |
| Deadweight | 2700kg | 6200kg | 7200kg |
Components of A Crawler Spider Crane
Telescopic or articulated boom
Hydraulic-powered crawler tracks
Four or more spider-like outriggers for stability
Remote control system for precise maneuvering
Load sensors and safety systems
Features of A Mini Spider Crane
- Compact Size and Lightweight Design
Crawler spider cranes are designed to fit through narrow doorways or be transported in elevators or on rooftops. Some models are even small enough to enter standard building corridors. - Crawler Tracks for All-Terrain Mobility
The crawler system enables the crane to move across rough, muddy, or uneven terrain with minimal ground pressure—ideal for outdoor construction sites or interior industrial settings. - Spider-Leg Outriggers
The independently adjustable outriggers provide exceptional stability on sloped or irregular ground. These legs extend outward to distribute load weight evenly during lifts.
Applications of Mini Spider Crane
Construction Sites: Roofing, steel erection, HVAC installation.
Industrial Maintenance: Factory equipment lifting, machinery repair.
Landscaping: Tree handling, boulder placement, garden installations.
Indoor Projects: Museum exhibits, stage rigging, renovation work.
Utility Work: Power line maintenance, telecom tower assembly.
Choosing the Right Small Spider Crane
When selecting a crawler spider crane for your project, consider the following factors:
- Lifting Capacity
Determine the maximum weight you’ll need to lift regularly. Popular models range from 3-ton to 10-ton lifting capacity. - Boom Length and Type
Longer booms offer greater reach, while articulated booms provide more flexibility around obstacles. - Working Environment
Consider whether your job site is indoor or outdoor, and if the terrain is sloped, muddy, or unstable.
