Small spider crane is a compact crawler lifting device engineered for confined-space hoisting tasks. It earns its name from four independently adjustable hydraulic outriggers that spread like spider legs for stable support on uneven ground, while folding into a narrow profile to pass through standard doorways, elevators, and narrow alleyways inaccessible to conventional large cranes.
YG Machinery supplies three standard load variants: YG-3, YG-5, and YG-8; the general lifting capacity of the mini crawler cranes for sale is between 3 tons and 8 tons. All units adopt fully hydraulic drive systems paired with pentagonal telescopic booms to deliver steady micro-movement control. For project managers seeking space-saving lifting equipment with flexible mobility, it delivers long-term labor and site access cost savings for indoor and historic restoration projects.
Complete Technical Specification Chart For Mini Crawler Crane For Sale
| 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 | |
Every small spider crane is equipped with rubber crawler pads to avoid scratching finished floors and lawns. Contractors with mixed indoor and outdoor lifting jobs can deploy it to eliminate site demolition work required for large crane entry.
Hydraulic Working Principle Of Small Spider Crane
The whole machine relies on integrated hydraulic circuits to coordinate crawler travel, outrigger expansion, boom luffing, telescoping, and hoisting actions. Operators first drive the crawler chassis to target positions, then extend four independent hydraulic outriggers and adjust each leg’s height to level the crane on sloped or irregular ground surfaces.
After stable support formation, the hydraulic pump of the mini crane crawler delivers pressurized oil to the boom and winch cylinders to control load lifting, lowering, and horizontal slewing. Built-in torque limiters automatically trigger alarms and cut power if overloaded to prevent tipping risks. Optional wireless remote control lets operators observe loads from safe viewing angles away from the lifting zone.
6 Core Operational Advantages Of Mini Crane Crawler
- Ultra-Narrow Folded Profile: The YG-3 model folds to only 980mm width, easily passing standard doorways, elevators, and narrow historic town alleys where regular mobile cranes cannot access.
- Multi-Power Adaptability: Select diesel, gasoline, electric, or hybrid power units; zero-emission electric variants meet strict EU noise and emission standards for indoor and heritage construction.
- Precise Hydraulic Micro-Control: Stepless hydraulic adjustment delivers centimeter-level positioning; the small spider crane is ideal for curtain wall glass, antique timber, and precision equipment installation.
- Expandable Attachment Compatibility: Compatible with vacuum glass suction cups, lifting work baskets, and material grabs to expand usage across glazing, maintenance, and renovation projects.
- Full Safety Monitoring Suite: Standard torque limiter, tilt alarm, and emergency stop button; remote control units carry independent red emergency switches for instant risk response.
- Low Operation Threshold: New operators master complete operation within 1–2 hours without certified professional crane operators, cutting long-term labor expenses.
Global Industrial Application Scenarios Of Small Spider Crane
- Curtain Wall & Glazing Installation: Match vacuum suction cup attachments for high-rise indoor and facade glass panel hoisting without external scaffolding.
- Indoor Factory Equipment Relocation: Compact size navigates production line aisles to lift molds, motors, and heavy machinery without disassembling walls.
- Municipal Infrastructure Maintenance: Bridge rail, transformer substation, and street lamp repair on restricted roadside spaces.
- Shopping Mall & Interior Renovation: Silent electric operation of mini crawler cranes for sale avoids disturbing store business during after-hours lifting work.
- Ship & Airport Facility Upkeep: Narrow cabin and terminal corridor access for component replacement and structural refurbishment.
- Roof & Attic Construction: Light enough to be lifted onto rooftops via elevator for truss and waterproof material installation.
- Railway Track Maintenance: Stable crawler travel on ballast surfaces for signal equipment and rail fitting hoisting.
Step-By-Step Model Selection Guide For Mini Crawler Crane For Sale
- Site Space Constraints: Frequent indoor, narrow alley, or elevator transport work prioritizes lightweight YG-3; open outdoor municipal projects choose YG-5 or YG-8.
- Rated Lifting Demand: For max loads below 3 tons and working height under 10 meters, select YG-3; 5–8 ton heavy lifting and 16–18m maximum height require YG-5/YG-8.
- Working Environment Rules: For indoor, residential, and heritage sites, pick low-noise electric power versions of small spider cranes; for open outdoor sites, adopt diesel-powered units for extended runtime.
- Long-Term Usage Frequency: For occasional one-off short projects, consider rental plans; over 3 months of annual cumulative lifting work makes direct purchase more cost-effective.
Frequently Asked Questions About Mini Crane Crawler
A1: Yes. The electric power model generates zero exhaust and low noise below 55 decibels, fully compliant with indoor environmental and resident disturbance regulations.
A2: All four hydraulic outriggers feature separate length and angle adjustment to level the crane on sloped, stone, and uneven concrete ground.
A3: Standard torque overload limiter, body tilt sensor, emergency stop valves on both the machine body and remote control to prevent tipping accidents.
A4: Vacuum glass suction cups, aerial work baskets, and multi-purpose material grabs are optional factory upgrades to expand construction functions.
A5: Basic pre-inspection, outrigger deployment, and lifting operations can be fully grasped within 1–2 hours of guided training. Factory procurement teams comparing compact lifting solutions can inquire about customized project solutions for the Small Spider Crane by contacting our overseas sales engineers for free factory quotations.
Factory Supply & Global After-Sales Of Small Spider Crane
YG Machinery integrates R&D, production, and global export of compact crawler lifting equipment, with full machine testing completed before seaworthy packaging and shipment. Our product lineup covers mini crane crawlers, demolition attachments, sandblasters, and mortar spraying machines for one-stop construction machinery procurement.
If you require detailed technical datasheets, on-site project case videos, or tailored lifting scheme quotations, submit your project parameters to our sales team to receive dedicated industrial lifting solutions. Overseas renovation contractors looking for durable compact lifting equipment can source a mini crawler crane for sale with direct factory pricing and a complete after-sales guarantee.
