
Traditional large cranes suffer from strict site limitations. They cannot adapt to narrow urban construction zones and indoor working spaces. This leads to higher costs and delayed project progress. A spider crawler crane perfectly solves these construction pain points. It features a compact body, strong terrain adaptability, and 360° flexible lifting. Optional fly jib and working basket support diverse high-altitude operations. It is the practical lifting solution for confined and complex engineering scenarios.
Spider Crawler Crane Complete Technical Parameter Table
YG Machinery YG series spider crawler crane covers 3-ton to 8-ton lifting grades. All models adopt a uniform hydraulic drive and pentagonal telescopic boom structure. Stable parameters ensure consistent construction performance for diverse projects.
| Parameter Item | YG-3 (3T) | YG-5 (5T) | YG-8 (8T) |
|---|---|---|---|
| Maximum Working Radius | 8.83m × 0.15t | 14m × 0.5t | 16.5m |
| Maximum Above-Ground Head | 9.9m × 0.7t | 16.8m | 18m |
| Hook Lifting Speed | 0-8m/min (4 rope) | 12m/min (4 rope) | 12m/min (4 rope) |
| Steel Rope Specification | φ8mm × 45m | Φ11mm × 80m | Φ11mm × 80m |
| Boom Structure | 5-section pentagonal boom | 5-section pentagonal boom | 5-section pentagonal boom |
| Boom Telescopic Parameter | 3.1m-9.2m / 20sec | 12.3m / 54sec | 12.3m / 54sec |
| Boom Lifting Angle & Time | 0°~78° / 13sec | 0°~78° / 13sec | 0°~78° / 13sec |
| Slew Performance | 0-360° continuous / 60sec | 0-360° continuous / 38sec | 0-360° continuous / 38sec |
| Walking Drive Mode | Hydraulic motor drive | Hydraulic motor drive | Hydraulic motor drive |
| Maximum Walking Speed | 0~2.5km/h | 0~2.5km/h | 0~2.5km/h |
| Gradeability | 25° (36%) | 25° (36%) | 25° (36%) |
| Operation Mode | Manual/optional remote control | Manual/optional remote control | Manual/optional remote control |
| Overall Dimension (L*W*H) | 2950*980*1560mm | 5000*1500*1900mm | 5000*1600*2180mm |
| Total Machine Weight | 2700kg | 6200kg | 7200kg |
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Unique Advantages of Small Portable Crane for Confined Construction
Why do modern construction teams prefer mini crawler lifting equipment? Large truck cranes have strict site and road requirements. They cannot enter indoor workshops, narrow corridors, and dense urban building zones.
This small portable crane is designed specifically for limited-space lifting scenarios. It fills the market gap of mini heavy-lifting equipment.
- Ultra-Compact Body Size: Slim overall structure passes narrow passages easily. It works indoors and in densely arranged construction areas.
- Powerful Lifting Performance: 3-8 ton stable lifting capacity meets daily engineering demands. Maximum 18m lifting height covers most medium-height operations.
- Full-Angle Flexible Operation: 360° continuous slewing design eliminates operation dead angles. It improves construction coverage and working efficiency.
- Strong Terrain Adaptability: 25° climbing capacity adapts to slopes and uneven ground. Crawler chassis avoids skidding and sinking risks.
- Dual Safe Control Modes: Manual operation ensures precise adjustment. Remote control keeps operators away from high-risk working areas.
- Stable Hydraulic System: Uniform hydraulic output reduces equipment failure rates. It supports long-duration continuous construction work.
- Optional Fly Jib Extension: Users can equip an auxiliary fly jib for extended working radius. It handles overhead and barrier-crossing lifting tasks easily. The fly jib greatly expands the operating range for complex high-altitude work.
- Custom Working Basket Attachment: The crane supports matched hanging basket installation. It converts the lifting machine into a safe aerial working platform. It integrates material lifting and manual maintenance operations in one device.
Wide Application Scenarios for Spider Crawler Crane
The flexible and high-performance spider crawler crane serves multiple professional fields. Its compact size and strong adaptability make it irreplaceable in special construction scenarios.
- Indoor Renovation Engineering: Lift steel structures and decoration materials indoors. No large site occupation and no ground damage.
- Urban Building Maintenance: Complete exterior wall repair and equipment hoisting. It adapts to narrow urban building intervals.
- Bridge & Tunnel Construction: Assist with small component installation in tunnels and bridge gaps. It fits limited operating spaces.
- Factory Equipment Installation: Hoist and position mechanical equipment indoors. It supports precise assembly and maintenance work.
- Landscape & Municipal Engineering: Complete street lamp and greening facility installation. It adapts to complex municipal construction environments.


Working Principle & Core Features of Spider Crawler Crane
A spider crawler crane relies on full hydraulic drive to complete all lifting and moving actions. It is designed specifically for narrow and complex construction environments. This industrial spider crane integrates walking, slewing, and telescopic lifting functions.
Its core working principle centers on stable hydraulic power transmission. The hydraulic system provides steady power for boom extension and angle adjustment. It guarantees precise and smooth operation during high-altitude lifting tasks.
The equipment adopts a reinforced pentagonal five-section boom structure. This design enhances structural rigidity and anti-deformation ability. It effectively reduces boom shaking under heavy load conditions.
The retractable crawler chassis adapts to uneven ground and sloped roads. It supports stable walking and fixed positioning on rugged construction sites. It improves overall construction safety greatly.
The machine supports 360-degree continuous rotation without dead angles. It covers a wider working area than traditional fixed jib cranes. It boosts overall construction efficiency significantly.
Equipped with dual manual and remote control systems, it suits different operation scenarios. Operators can choose flexible control modes for indoor and outdoor work. This telescopic mini crawler crane balances compact size and powerful performance perfectly.
Practical Overseas Project Cases of Spider Crawler Crane
European construction projects often face narrow working spaces and complex terrain conditions. Standard large cranes cannot enter indoor sites or dense urban building areas. Our compact lifting equipment perfectly solves these common construction bottlenecks for overseas contractors.
A local UK engineering company purchased our YG-5 spider crawler crane in 2024. The device was used for old building renovation and exterior facade maintenance. To meet complex high-altitude work needs, the client added optional configurations. They installed an auxiliary fly jib and a safety working basket for multi-functional operation.
The upgraded fly jib extends the original working radius by 3 meters. It can cross building barriers to complete high-altitude material lifting. The matched working basket turns the crane into a professional aerial work platform. It supports safe wall inspection, repair, and exterior maintenance work.
This telescopic mini crawler crane operates stably on uneven, aging ground. The 360-degree continuous rotation improves overall construction flexibility. After actual operation, the project saved 18 working days in total. It also avoided additional rental fees for independent aerial work equipment.
The UK client shared authentic on-site feedback. “This industrial spider crane is compact, stable, and multi-functional. The fly jib and basket design solves most narrow-space high-altitude problems. It greatly cuts our project operating cost.”
In another European cooperation case, a German factory ordered our YG-3 small portable crane. The equipment is mainly used for indoor mechanical equipment installation and debugging. Its ultra-slim body easily passes narrow workshop doorways. It ensures precise lifting and accurate component positioning in confined indoor spaces.
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Spider Cranes | Mini Cranes for Sale-YG Machinery
YG Machinery specializes in the R&D and production of high-quality spider crawler cranes. All equipment passes strict factory load tests and calibration. We deliver stable, site-adaptive lifting equipment for global confined-space construction projects.
We support personalized configuration upgrades including fly jibs and working baskets. Custom sizes and functional layouts are available to match diverse job site demands. We also offer matched mini construction machinery to meet one-stop procurement needs.
Our full-cycle service covers professional model selection, export certification, and technical support. We provide long-term spare parts supply and remote after-sales guidance.
If you need reliable small portable cranes for your project, send us your site parameters. Get an accurate, customized quote and tailored construction solution within 8 hours.












