

A 3 ton spider crane is a compact, outrigger-stabilized lifting machine designed for jobs where standard cranes cannot fit. Named for its spider-like folding outriggers that spread outward for stability, this machine delivers serious lifting capacity in a footprint small enough to pass through standard doorways and operate inside buildings. The YG-3 model lifts up to 3 tons at a close radius and reaches a maximum height of 9.9 meters, which covers most indoor and mid-size outdoor lifting tasks.
Unlike bulky truck cranes that need wide access roads and large setup areas, a mobile spider crane travels to the exact spot where the work happens. Contractors use these machines for everything from glass curtain wall installation to equipment relocation inside existing facilities. The self-propelled tracked base means you do not need a separate truck or trailer to move it around a job site—just drive it where you need it.
3 Ton 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 | |


Optional Add-Ons for Your 3 Ton Spider Crane
Every job site has different requirements, so we build each unit with configurable options. When you evaluate the small spider crane price, remember that base pricing includes the core machine, and you only pay for the add-ons your specific project needs.
Boom accessories extend your reach when the standard boom length is not enough. A fixed jib fits all tonnage models and adds extra height for high lifting points. Note that a hydraulic fly jib is not available for 3-ton and smaller units due to capacity limits.
Safety system upgrades give operators extra protection on complex lifts. You can add one-touch outrigger deployment, outrigger ground-sensing technology, pressure relief valves, or a combined moment limiter and overload alarm package. These systems reduce human error and keep work compliant with strict site safety rules.
Control and electrical packages upgrade how you run the machine. Basic wireless remote control comes as an affordable upgrade, while premium remotes with digital displays and proportional valve controls give finer movement precision for delicate loads. We also customize voltage configurations to match your local power supply.
Work attachments adapt the crane to specific industries. Glass vacuum suction cups serve curtain wall installers, fork attachments handle palletized materials, and man baskets are available on request for personnel access jobs.
Applications of the 3 Ton Spider Crane
- Curtain wall and finishing work represent one of the most common uses. Operators lift glass panels and exterior cladding materials on high-rise construction sites, often paired with glass suction cup attachments. The compact base lets crews set up right next to the building facade without blocking the entire street.
- Indoor installation and renovation are where these machines truly shine. Factory equipment swaps, shopping mall retrofits, and data center server installations all require heavy lifting inside finished buildings. A crawler spider crane drives through service corridors and elevators to reach basement or upper-floor work areas with no disassembly required.
- Infrastructure and utility work covers substation GIS equipment maintenance, narrow urban construction sites, and old building renovation projects where access is limited. Municipal contractors use them for jobs where bringing in a full-size crane would require road closures and extra permits.
- Specialized environments include ship engine room repairs, tunnel construction sites, and rooftop equipment replacement. In each case, the combination of narrow width, low height, and strong capacity solves problems that no other lifting equipment can handle.


Key Features of the 3 Ton Spider Crane
This 3 ton spider crane earns its place on tight job sites through a combination of compact dimensions, dual-power flexibility, and full hydraulic performance.
- The rubber non-marking track system lets a crawler spider crane move across finished floors without leaving scuff marks, which makes it ideal for shopping malls, hospitals, and office buildings where floor protection matters. At only 980 millimeters wide in transport mode, it fits through standard door frames and narrow corridors that block every other type of crane.
- Dual power capability sets this unit apart from single-fuel machines. Electric mode runs quietly on grid power for indoor work with zero exhaust, while the diesel engine takes over for outdoor jobs where electrical hookups are unavailable. You switch between modes depending on the location, not the other way around.
- Full hydraulic drive powers every function: travel, boom luffing, telescoping, and 360-degree continuous slewing. Operators control movements either through body-mounted push buttons or a wireless remote, whichever fits the situation better. Folding outriggers deploy quickly and stabilize the mobile spider crane on uneven ground.
Compact Lifting vs Traditional Cranes
Understanding when to choose a compact machine over a conventional crane saves time, money, and logistical headaches.
Traditional truck cranes offer higher capacity and longer reach, but they require wide paved access, large outrigger footprints, and certified road travel. On many urban and indoor projects, you cannot get a truck crane close enough to the actual lift point. The small spider crane price also compares favorably once you factor in the lower transport costs, smaller crew requirements, and faster setup times.
A crawler spider crane trades maximum capacity for access and versatility. It goes through doors, inside elevators, and across finished floors—places where a truck crane would never fit. You also avoid the permit fees and traffic disruption that come with parking a large crane on public streets. For lifts under 3 tons and under 10 meters, which covers a huge share of commercial and industrial work, the compact machine is the more practical choice.
Operating costs stay lower too. Electric indoor mode uses inexpensive grid power and produces no fumes, so you do not need extra ventilation equipment inside buildings. The tracked base distributes weight evenly and reduces floor-loading concerns compared to wheeled cranes with concentrated outrigger loads.


Why Choose YG for Your 3 Ton Spider Crane?
YG builds spider cranes with factory-direct pricing and full configuration support. Our YG-3 model combines proven hydraulic systems, durable rubber tracks, and flexible dual-power design into a machine that works reliably on the most demanding job sites. Whether you need a basic unit for general lifting or a fully configured mobile spider crane with specialized attachments, we tailor each build to your industry and typical project types. If you are comparing options and want a transparent, small spider crane price quote without hidden fees, contact our team directly. Send us your project specifications today and receive a detailed, no-obligation quote tailored to your exact requirements.


