An 8 ton spider crane is a compact crawler crane with outriggers, designed for high lifting capacity in very limited and sensitive spaces. It is ideal for indoor and floor‑by‑floor lifts, steel roof erection, and congested sites where truck cranes and large crawlers simply cannot go.
This 8t spider crane makes the most sense when you face tight access, floor or roof load limits, and expensive or overbooked tower/truck crane time. In those situations, it often delivers a lower total cost and less risk than trying to force traditional cranes into the job.
Contact YG now for more product information.
Perfect for Indoor & Rooftop Projects
Check the YG Mini Crawler Spider Crane Technical Parameters
| 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 | 3.1m-9.2m/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 | |
Contact Engineer for Site-Specific Configuration
Spider Crane Key Features & Benefits – Tied to Money, Time and Risk
- Compact outrigger layout → Set up in tight bays close to the load, reducing crane moves and rigging changes per day. Fewer crane days = lower total cost.
- Disassemblable modules → Elevator and stair access lets you bid on indoor jobs competitors turn down — winning work others can’t touch.
- Crawler travel with load → Move between pick points without setting down and re-rigging. More billable lifts per shift.
- 5-section telescopic boom (4.7–16.5 m) → One machine covers ground-level setting through rooftop placement. Replaces 2–3 different machines on site.
- Diesel / Electric / Hybrid power → Zero-emission electric mode for indoor work; no lost days waiting for emission windows or noise permits.
- Wireless remote + multi-layer safety → Torque limiter, overload cut-off, outrigger load sensors, tilt alarm. Fewer near-misses, lower insurance risk, stronger safety record for repeat contracts.
- Quick-change attachments → Man basket, glass suction cups, fly jib, stone clamp, pipe gripper — switch in minutes. One machine bills across 5+ task types.
Mini Spider Crane Typical Applications – With “Why This Matters”
- Steel roof erection (factories, stadiums, airports) → Work directly on the structure inside enclosed frames. No multiple truck crane setups, no road closures, no wind delays.
- High-rise indoor lifting (HVAC, generators, switchgear) → Say “yes” to upper-floor installs without tower crane slots or expensive hoisting plans.
- Plant and workshop equipment installation → Minimal disruption to production. Electric mode works near sensitive equipment and clean rooms during short shutdown windows.
- Glass and curtain wall installation → Replaces scaffolding for many facade tasks. Faster setup, lower labor cost, no pedestrian blockage below.
- Bridges, metro stations, data centers → Congested sites with strict access rules. The 8t spider crane fits where others don’t, reducing workaround costs.
- Equipment rental fleets → One machine serves steel contractors, glaziers, MEP installers, facility managers. A utilization multiplier, not a single-purpose tool.
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Optional Attachments and Customization of Spider Crane
Available Attachments
The spider crane supports a range of attachments to extend its versatility. These are project-specific and should be selected according to rated load and working conditions:
- Man basket – For personnel access during inspection and maintenance.
- Glass vacuum lifter – For handling glass panels during curtain wall installation.
- Fly jib – For extending boom reach in certain applications.
- Lifting spreader – For handling large or awkward loads with multiple lift points.
- Hook and sling sets – Various configurations for load handling.
Customization Options
YG Machinery offers the following customization options, subject to project requirements and final confirmation:
- Colors – Choose from standard or custom paint colors.
- Control system – Manual operation, wireless remote, or proportional remote control.
- Power source – Diesel, electric, or dual-power configurations.
- Dimensions – Specific modifications for access and transport constraints.
- Hydraulic system tuning – Adjustments for specific lift characteristics.
- Safety systems – Additional sensors, alarms, and interlock controls.
All custom configurations must be verified by YG engineers to ensure safe and reliable operation.
Safety Systems
The 8-ton spider crane incorporates multiple safety systems to protect operators, bystanders, and the equipment itself :
- Torque limiter – Prevents lifting beyond rated capacity.
- One-key leveling – Automatic outrigger leveling for stable setup.
- Interlock control – Prevents outrigger operation when the boom is not stowed.
- Outrigger ground sensors – Detect loss of ground contact and stop operation.
- Overload protection – Alarms and stops the hoist in overload conditions.
- Emergency stop – Immediately halts all functions.
- Status lights and alarm devices – Visual and audible warnings.
- Anti-tilt system – Prevents operation on excessive slopes.
After-Sales Service and Support
YG Machinery provides comprehensive after-sales support for the 8-ton spider crane:
- Warranty coverage – Subject to manufacturer’s terms and conditions.
- Spare parts supply – Access to genuine parts for routine maintenance and repairs.
- Technical support – Remote assistance for installation, operation, and troubleshooting.
- Export packaging – Professional packing for international shipping.
- Training materials – Operation and maintenance manuals for safe use.
For specific warranty terms, lead times, and support coverage, contact the YG Machinery sales team with your project details.
Choose Diesel, Electric, or Battery Power Spider Crane
Frequently Asked Questions about YG’s Spider Crane
A1: If your typical picks are 2–3 tons at a 5–8 m radius, the YG-8 fits well. At a 10+ m radius, capacity drops to 1–2 t. Send us your lift list — we’ll tell you honestly.
A2: Request our outrigger reaction force data. With standard pads, ground pressure is 0.3–0.5 kg/cm² — within most floors rated for 500 kg/m². Have your structural engineer verify with actual outrigger positions.
A3: A 2-person crew handles 3–4 cycles per week (30–45 min each). But minimizing disassembly by driving in on tracks is always preferred.
A4: Open range: 100+ m. Inside steel structures: 30–50 m. Behind concrete walls: 15–20 m. Plan operator positioning in advance; relay positions may be needed for complex sites.
A5: Yes. We review your lift list, access photos, and site conditions before delivery — providing load charts and outrigger reaction data. We help you avoid common mistakes before they become costly ones.
A6: For 150+ days/year of use: spare wire rope, hydraulic hoses, track pads, outrigger pads, and fuse/relay kits. We provide a customized spare parts list based on your utilization.
