An 8-ton spider crane for sale from YG Machinery delivers a maximum lifting height of 18 meters and a working radius of 16.5 meters, yet the machine weighs only 7,200 kg. It fits through standard double doors, navigates tight factory aisles, and operates on upper floors without damaging the structural slab. Powered by a hydraulic motor drive, it climbs slopes up to 25° (36% gradeability) and features a 360° continuous slew system that rotates in just 38 seconds. As a direct manufacturer, YG Machinery builds every unit in our China factory. We bypass dealers, saving you 15-20% on your capital investment. Every machine undergoes a strict load test before shipping.
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8 Ton Spider Crane for Sale: Complete Technical Specifications
The YG-8 model is engineered for heavy lifting in confined spaces. For projects requiring less reach or lighter capacities, we also manufacture the YG-3 (3-ton) and YG-5 (5-ton) models. Compare the full factory specifications below to find the right fit for your site.
| Specification | YG-3(3T Spider Crane) | YG-5(5T Spider Crane) | YG-8(8T Spider Crane) |
|---|---|---|---|
| Maximum Working Radius | 8.83m × 0.15t | 14m × 0.5t | 16.5m |
| Maximum Above-Ground Head | 9.9m × 0.7t | 16.8m | 18m |
| Hook Speed | 0-8m/min (4 rope) | 12m/min (4 rope) | 12m/min (4 rope) |
| Rope Diameter | Φ8mm × 45m | Φ11mm × 80m | Φ11mm × 80m |
| Boom Type | 5-section, pentagonal | 5-section, pentagonal | 5-section, pentagonal |
| Boom Length / Time | 3.1m – 9.2m / 20sec | 12.3m / 54sec | 12.3m / 54sec |
| Boom Angle / Time | 0°~78° / 13sec | 0°~78° / 13sec | 0°~78° / 13sec |
| Slew System (Rotation) | 0-360° cont. / 60sec | 0-360° cont. / 38sec | 0-360° cont. / 38sec |
| Walking Way | Hydraulic motor drives | Hydraulic motor drives | Hydraulic motor drives |
| Walking Speed | 0~2.5 km/h | 0~2.5 km/h | 0~2.5 km/h |
| Grade Ability | 25° (36%) | 25° (36%) | 25° (36%) |
| Operation Type | Manual / Remote (opt) | Manual / Remote (opt) | Manual / Remote (opt) |
| Transport Dim. (L×W×H) | 2950×980×1560 mm | 5000×1500×1900 mm | 5000×1600×2180 mm |
| Total Weight | 2,700 kg | 6,200 kg | 7,200 kg |
The pentagonal boom structure provides superior resistance to twisting compared to standard square booms. The YG-8’s lifting speed of 12 m/min ensures fast cycle times while maintaining millimeter-level precision during placement.
What Makes an Industrial Spider Crane Essential for Tight Spaces?
An industrial spider crane solves access problems that traditional mobile cranes and forklifts cannot handle. The compact 1.6-meter width of the YG-8 allows it to enter standard doorways and tight corridors.
Here is why contractors rely on this equipment for indoor and urban projects:
- Zero Ground Damage: Rubber tracks distribute the machine’s weight evenly, preventing damage to finished concrete floors, tiles, or landscaping.
- Precision Placement: The 5-section telescopic boom extends smoothly. Combined with the 360° rotation, operators can position heavy loads exactly where needed without repositioning the base unit.
- Stability on Uneven Ground: Four hydraulic outriggers level the machine independently on sloped or uneven surfaces, ensuring safe lifting operations.
Whether you are navigating a busy factory floor or lifting materials onto a roof, the compact footprint provides unmatched versatility.
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Why Partner with a Direct Spider Crane Manufacturer?
Sourcing directly from a spider crane manufacturer like YG Machinery cuts out the middleman and secures your supply chain. We manufacture the steel frames, assemble the hydraulic systems, and test the winches in-house.
Here is what you get when you buy direct:
- Customizable Controls: Choose between manual operation or remote control based on your site’s safety requirements.
- Fast Spare Parts: We stock common wear parts, including wire ropes and hydraulic seals, in our Houston and Rotterdam warehouses. Shipments arrive in 2-4 days.
- Factory Testing: Every unit is load-tested to 125% of its rated capacity before leaving the factory. Buyers receive a video and inspection report.
YG Machinery also manufactures specialized site maintenance equipment, including floor shot blasters, dry ice cleaning machines, and crawler dredging robots. Contact us for multi-machine fleet pricing.
How Do Spider Crane Platforms Enhance Operator Safety?
Modern spider crane platforms are equipped with advanced safety features that protect both the operator and the load. Safety is critical when lifting heavy materials at heights up to 18 meters.
- Dual Control Systems: The standard package includes manual panel controls. The optional wireless remote allows the operator to step back and maintain a clear line of sight, avoiding blind lifts.
- Hydraulic Braking: The winch motor features an integrated brake that holds the load securely even if hydraulic pressure drops.
- Overload Protection: Built-in sensors monitor the load weight. If the limit is exceeded, the system stops the lifting action immediately.
- Slope Management: The 25° gradeability and independent outriggers allow safe operation on ramps and uneven terrain.
The combination of manual override and wireless remote ensures seamless operation without compromising safety protocols.
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Spider Crane Applications: 5 Real-World Scenarios
The 8-ton lifting capacity and 16.5m reach make this small spider crane ideal for diverse industrial applications.
- Curtain Wall & Glass Installation: Lifting heavy glass panels into place on high-rise buildings. The vacuum lifter can be easily attached to the hook.
- Industrial Plant Maintenance: Moving heavy motors, pumps, and generators through narrow aisles without dismantling surrounding machinery.
- Atrium & Indoor Construction: Working inside shopping malls or warehouses where standard cranes cannot fit. The electric motor option provides zero emissions for indoor use.
- Bridge & Infrastructure Repair: Positioning materials under bridges or along narrow embankments where wheeled cranes cannot set up.
- Steel Erection: Lifting structural steel beams and trusses in tight urban job sites.
Each scenario benefits from the machine’s ability to maneuver in tight quarters while delivering the lifting power of a much larger crane.
How to Choose the Right 8 Ton Spider Crane for Your Project?
Selecting the right machine depends on three main factors: lifting height, working radius, and power source.
- Working Radius vs. Capacity: Remember that lifting capacity decreases as the boom extends. At a 16.5m radius, the YG-8’s lifting capacity drops. Always confirm the load weight at your maximum required distance.
- Power Source: Choose a diesel engine for outdoor, remote sites. Choose an electric motor for indoor work or areas with strict emission regulations. Dual-power options (diesel + electric) are available.
- Site Access: Measure your narrowest doorways and gate clearances. The YG-8 requires 1.6m of width.
We provide free load charts and site assessment to help you verify the model fits your specific lifting plan.
Proven Results: What Customers Say
USA – High-Rise Glass Installation. “We used the YG-8 to install glass panels on a 5-story building. The 16.5m reach allowed us to work from the ground level. The remote control let the operator stand exactly where the glass was going. We finished the job 3 weeks faster than using a traditional boom truck.” — Project Manager, Texas
Germany – Factory Equipment Maintenance. “Moving a 6-ton generator inside our production hall was impossible with a forklift. The spider crane fit through the aisle with 20cm to spare. The rubber tracks didn’t leave a mark on our epoxy floor. Highly recommended.” — Plant Engineer, Bavaria
Australia – Bridge Repair. “The 25° gradeability was the deciding factor. We used it on a sloped riverbank to lift concrete formwork. The outriggers leveled perfectly. It’s a reliable, heavy-duty machine.” — Site Supervisor, Queensland
Frequently Asked Questions About Industrial Spider Crane
A1: Lifting capacity decreases as the boom extends. While the YG-8 is rated for 8 tons at minimum radius, the safe working load drops significantly at its maximum 16.5m reach. Always request our official Spider Crane Load Chart to confirm capacity at your specific lifting distance before rigging a load.
A2: Yes. The machine uses rubber crawler tracks that distribute weight evenly, reducing ground pressure to protect epoxy floors, tiles, and structural slabs. For extra protection, non-marking white tracks are available to prevent scuffing on finished indoor surfaces.
A3: For indoor projects, the electric motor option provides zero emissions and low noise. For outdoor or remote sites without grid access, a diesel engine (Kubota/Yanmar) is available. We also offer a dual-power configuration, allowing operators to switch between diesel and electric power on the same job site.
A4: The YG-8 chassis is 1.6 meters wide, fitting through standard double doors. When the four hydraulic outriggers are fully deployed for maximum stability, the machine requires a footprint of approximately 4.5m x 4.5m. In tight indoor spaces, you can use a “half-span” outrigger setting, which reduces the setup footprint but also lowers the lifting capacity.
A5: Ground pressure depends on whether the load is carried on the tracks or the outriggers. When lifting on outriggers, the weight is transferred to four steel pads, significantly reducing the pressure on the floor slab. We can provide exact ground-bearing pressure calculations based on your load weight and radius.
A6: With dimensions of 5000×1600×2180mm, it fits easily into a standard 20-foot container or on a flatbed trailer. The boom retracts fully, and the outriggers fold in hydraulically. No special oversize permits are required for highway transport in most regions.
A7: The crane features a standard hook, but it is compatible with various attachments, including vacuum glass lifters (for curtain walls), hydraulic clamps (for steel beams), and man baskets (for aerial maintenance). We can supply these attachments directly with your order.
A8: Daily checks include inspecting the wire rope and hydraulic hoses. Every 50 hours, grease the slewing bearing and boom pivot points. The hydraulic oil and filters should be changed every 500 hours. We provide a full maintenance logbook and offer remote video support for all servicing.
Take the Next Step
We offer free consultation and sizing advice. Tell us your lifting capacity, required height, and site access constraints.
Three ways to move forward:
- Download Specs – Get the full technical PDF and load chart for all spider crane models.
- Chat on WhatsApp – Send us a photo of your site for instant feasibility feedback.
- Request a Quote – Get factory-direct pricing and shipping timelines within 6 hours.
Contact us today via WhatsApp, email, or the website form. Every machine includes a 1-2year warranty and lifetime remote support.【WhatsApp:+86183 3715 2861; Email:admin@ygequip.com; Website: https://ygequip.com】
