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Overhead Crane Types

What are the different overhead crane types? There are mainly single girder overhead crane, double girder overhead crane, top running overhead crane and underhung crane according to different classification methods. In this article, we will introduce our overhead crane types in detail to help you make a right choice for your heavy materials handling operations.

Aicrane double girder overhead crane type

Different Types of Overhead Cranes

Overhead cranes, also known as bridge cranes, can be classified into different types according to different methods, there are two common classifications methods and in this part you will know clearly about the types of overhead cranes classified according to these two methods.

Classified By Main Beam Structure

Overhead Crane Types According to Main Beam Structure

Overhead crane is usually classified into single girder overhead crane type and double girder overhead crane type, and both types have different crane models.

Single Girder Overhead Crane

A single girder overhead crane has a design that features a single beam or girder running between the two end trucks, which are mounted on the runway. The hoist and trolley run on the lower flange of the single girder, moving across the span of the crane. This configuration is simpler in design and is commonly used for lighter loads and shorter spans. Single girder overhead cranes consist of AQ-LD type, AQ-HD European type, AQ-LX type, AQ-LDZ grab type and AQ-LB explosion proof type.

AQ-LD type overhead crane
AQ-LD type overhead crane
AQ-HD type European overhead crane
AQ-HD type European overhead crane
AQ-LX type underhung overhead crane
AQ-LX type underhung overhead crane
AQ-LB explosion proof crane type
AQ-LB explosion proof crane type

Double Girder Overhead Crane

A double girder overhead crane has two girders running parallel to each other across the span. The hoist and trolley travel along rails installed on the top of the girders, allowing for greater lifting height and load capacity. This type of crane is designed for heavier-duty applications and can handle much larger loads compared to a single girder crane. Our double girder overhead crane types consist of AQ-QD type, AQ-QDX type, AQ-LH type, AQ-NLH European type, AQ-QZ grab type, AQ-QB explosion proof type, AQ-QCL magnetic type and AQ-YZ foundry type.

AQ-QD type bridge crane
AQ-QD type bridge crane
AQ-QDX European type double girder crane
AQ-QDX European type double girder crane
AQ-LH type overhead hoist crane
AQ-LH type overhead hoist crane
AQ-QCL type electromagnetic hanging beam crane
AQ-QCL type electromagnetic hanging beam crane
AQ-QZ type grab overhead crane
AQ-QZ type grab overhead crane
AQ-YZ type foundry overhead crane
AQ-YZ type foundry overhead crane

Single Girder vs. Double Girder Overhead Cranes

FactorSingle Girder CraneDouble Girder Crane
DesignSingle beam supporting the hoist and trolley.Two beams supporting the hoist on top.
Load CapacityTypically up to 25 tons.Can handle loads up to several hundred tons.
Lifting HeightLimited due to hoist location under the beam.Higher lifting height due to hoist on top.
CostMore affordable.More expensive due to additional materials and customization.
SpanEffective for shorter spans (under 20 meters).Suitable for longer spans and larger work areas.
MaintenanceEasier and less costly to maintain.More complex, requiring higher maintenance.
InstallationEasier and quicker to install.Requires more time and resources for installation.
ApplicationsIdeal for light to medium-duty tasks.Best for heavy-duty industrial applications.

Classified By Operating Method

Overhead Crane Types According to Operating Method

According to operating method, the overhead cranes generally classified into top running overhead crane type and underhung crane type.

Top Running Overhead Crane

A top running overhead crane is one where the crane runs on rails mounted on the top of runway beams, which are supported by columns or the building structure. This type of crane is usually chosen for heavy-duty applications because it can handle larger loads and longer spans. Top running cranes are available in both single girder and double girder configurations, depending on the weight of the load and the required lifting height.

top running type overhead crane
top running type overhead crane

Underhung (Underslung) Crane

An underhung crane, also known as an underslung crane, is suspended from the bottom flange of the runway beams, which are supported by the roof or ceiling structure. Unlike top running cranes, the underslung crane and hoist run below the runway beams, making this design ideal for facilities with limited headroom or space constraints. Underhung cranes are typically used for lighter loads and smaller spans.

underhung type overhead crane
underhung type overhead crane

Top Running vs. Underhung Cranes

FactorTop Running Overhead CraneUnderhung (Underslung) Crane
DesignCrane bridge runs on top of runway beams.Crane is suspended from the bottom flange of the runway.
Load CapacityCan handle heavy loads, typically 10+ tons.Best for lighter loads, typically up to 10 tons.
Lifting HeightHigher lifting height, ideal for tall spaces.Limited lifting height due to under-the-beam configuration.
Space RequirementsRequires more overhead space for runway beams and crane.Compact design, ideal for spaces with limited headroom.
SpanSuitable for longer spans and large workspaces.Best for smaller spans and confined areas.
Floor SpaceMay require support columns, taking up floor space.No additional support columns required, leaving floor space clear.
CostMore expensive due to higher load capacity and complex installation.More cost-effective for lighter loads and simpler installations.
InstallationRequires additional infrastructure, such as runway beams and columns.Simpler installation, as the crane is suspended from the ceiling or roof structure.
FlexibilityPrimarily designed for straight runs across large spaces.Can follow curved paths with a flexible rail system.
ApplicationsHeavy-duty applications in large industrial environments.Light- to medium-duty applications in smaller or more confined workspaces.

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Importance of Selecting the Right Overhead Crane Type for Specific Needs

Selecting the right overhead crane type is crucial for your heavy lifting operations. An overhead crane that is well-suited to your specific needs can significantly enhance productivity, reduce operational costs, and ensure a safe working environment.

Cost-Effectiveness and Long-Term Savings

Selecting the appropriate overhead crane type can lead to significant cost savings and a better return on investment.

  • Reduced Operational Costs: A bridge crane type that matches your specific lifting needs operates more efficiently, reducing energy consumption and maintenance costs. This can lead to long-term savings and improved financial performance.
  • Lower Maintenance Costs: A crane that is well-suited for your application experiences less wear and tear, which translates to lower maintenance and repair expenses. Proper maintenance also extends the lifespan of the electric overhead crane equipment.

Optimized Operational Efficiency

Operational efficiency is greatly influenced by the suitability of the overhead crane for your specific tasks. The right crane can streamline processes, minimize delays, and improve workflow.

  • Increased Productivity: An overhead bridge crane that matches your operational needs ensures that heavy materials are lifted and transported with minimal downtime, resulting in smoother operations and faster task completion.
  • Appropriate Features: Selecting a bridge crane with the right features, such as load capacity, span, and lifting height, helps in optimizing performance and reduces the need for additional equipment or modifications.

Enhanced Safety Standards

The right type of overhead crane ensures that safety standards are met and risks are minimized.

  • Load Handling: An overhead crane with adequate load capacity and stability prevents overloading and reduces the risk of accidents.
  • Compliance: Choosing an overhead travelling crane that meets industry safety regulations and standards ensures compliance and reduces the risk of legal issues and penalties.
  • Operator Training: An electric overhead crane that is well-suited to your needs facilitates better training for operators, enhancing their ability to handle equipment safely.

Improved Space Utilization

The right type of overhead crane can optimize the use of available space in your facility, leading to better organization and efficiency.

  • Space Efficiency: Overhead Cranes designed for specific spatial requirements, such as low headroom or wide spans, help in utilizing vertical and horizontal space effectively. This allows for better organization and maximizes the usable area of the facility.
  • Flexibility: Choosing a crane that fits your layout and operational needs provides flexibility in arranging workstations and equipment, leading to a more organized and productive workspace.

Adaptability to Future Needs

Selecting an overhead bridge crane that can adapt to future changes and expansions is important for long-term success.

  • Scalability: Opting for an over head crane with scalability options allows you to accommodate future increases in load capacity or changes in operational requirements without significant modifications or additional investments.
  • Modularity: Some overhead crane machines offer modular components that can be upgraded or reconfigured as your needs evolve, ensuring that the overhead crane equipment remains relevant and efficient over time.

selecting right overhead crane for lifting needs

Five Main Factors to Consider When Choosing an Overhead Crane

When selecting an overhead crane, five crucial factors need to be considered to ensure that the overhead crane type meets your operational needs and safety standards. Let’s check the five factors one by one now:

01Load Capacity

Load capacity is one of the most critical factors in choosing an overhead crane. It refers to the maximum weight the crane can safely lift and move.
Determine Maximum Load: Assess the heaviest load that the overhead crane will need to handle during operations.
Consider Safety Margins: Choose a crane with a load capacity higher than your maximum requirement to account for any unexpected weight increases and ensure safety.
Type of Load: Consider the nature of the loads (e.g., bulky, irregularly shaped, or delicate) to select a suitable type of bridge crane that can handle these loads effectively.

02Span and Reach

The span of an overhead crane is the distance between the rails on which the crane travels, while the reach is the distance the crane can extend to pick up or place loads.

Measure the Span: Ensure the overhead crane’s span fits the width of your facility and the layout of your operations. It should cover the area where lifting and moving operations will occur.
Assess Reach Requirements: Determine the required reach based on where loads need to be positioned. Consider whether the crane needs to reach over obstacles or through narrow spaces.

03Overhead Crane Type and Configuration

Different overhead crane types and configurations are suited for various applications and environments.

Single Girder vs. Double Girder: Single girder overhead cranes are lighter and more cost-effective for smaller loads, while double girder cranes offer higher load capacities and greater span for larger operations.
Top Running vs. Underhung: Top running cranes are mounted on rails above the working area, providing greater lifting heights, while underhung cranes are mounted from the ceiling structure, suitable for facilities with limited headroom.

04Environment and Operating Conditions

The operating environment and conditions play an important role in overhead crane selection.

Indoor vs. Outdoor Use: For outdoor applications, ensure the overhead lifting crane is designed to withstand weather conditions, including rain, wind, and temperature extremes.
Hazardous Environments: If the crane will be used in hazardous environments (e.g., explosive or corrosive atmospheres), select a crane with appropriate certifications and protective features.
Temperature Ranges: Consider the temperature ranges the overhead crane will operate in, as extreme temperatures may affect crane performance and safety.

05Maintenance and Serviceability

Maintenance and serviceability are essential for ensuring the overhead bridge crane’s longevity and reliable operation.

Ease of Maintenance: Choose a bridge type crane designed for easy maintenance, with accessible components and clear service procedures.
Service and Support: Consider the availability of parts and service support from the overhead crane manufacturer or supplier. Regular maintenance and prompt repairs are crucial to minimize downtime.
Warranty and Training: Check the warranty offered by the overhead bridge crane manufacturers and whether they provide training for your maintenance team to ensure proper care and operation.

By carefully considering these factors, you can select a suitable overhead crane type that will meet your operational requirements and provide reliable performance for years to come. After knowing the selection guide of the overhead cranes, you may want to know different overhead crane prices, and then we will show your our overhead crane price ranges for reference while you are making a budget for the cranes.

choose a right overhead crane

Overhead Crane Prices

Overhead crane price can vary widely depending on different factors, including overhead crane type, lifting capacity, span, lifting height, control system, safety features and more. Here we are some price ranges of our overhead cranes, these prices are for reference only and the specific prices are determined according to the special lifting needs.

Single girder overhead crane prices:

Crane ModelSpan RangePrice Range
AQ-LD 5 ~ 20 ton overhead crane7.5m ~ 31.5m3,000 USD ~ 12,850 USD
AQ-HD 5 ~ 20 ton overhead crane7.5m ~ 22.5m6,500 USD ~ 23,570 USD
AQ-LX 5 ~ 10 ton overhead crane7.5m ~ 22.5m3,000 USD ~ 7,800 USD

Double girder overhead crane prices:

Crane ModelSpan RangePrice Range
AQ-QD 10 ~ 100 ton overhead crane10.5m ~ 31.5m16,000 USD ~ 185,710 USD
AQ-LH 10 ~ 50 ton overhead crane10.5m ~ 31.5m10,000 USD ~ 57,000 USD
AQ-NLH 10 ~ 50 ton overhead crane10.5m ~ 31.5m15,400 USD ~ 70,000 USD
AQ-QZ 10 ~ 20 ton grab crane10.5m ~ 31.5m29,000 USD ~ 100,000 USD
AQ-QDY 16 ~ 100 ton foundry crane10.5m ~ 31.5m35,000 USD ~ 320,000 USD

Overhead Crane Projects in Different Industries

As an experienced and reliable manufacturer, we have offered a range of overhead cranes for worldwide customers to suit different materials lifting needs in varied industries, such as manufacturing, maintenance, steel mill, metal fabrication, precast, construction and more.

double girder crane for equipment maintenance

Overhead Crane And Steel Structure For Equipment Maintenance

Crane type: AQ-QD double girder overhead crane
Load capacity: 50 ton
Country: Chile
Installation method: On-site installation guidance
Project information: Both the 50 ton overhead crane and the steel structure building have been provided as an integrated solution, the overhead crane is used to transport heavy machinery for maintenance in the workshop steel structure.

overhead crane for machinery manufacturing

Two Overhead Cranes for Machinery Manufacturing

Crane type: AQ-NLH double girder European standard overhead cranes
Load capacity: 25 ton and 16 ton
Country: Nigeria
Installation method: On-site installation guidance
Project information: For this project, we provided two European standard double girder bridge cranes used in the customer’s machinery manufacturing workshop to lift and move heavy metal materials from one work cell to another, making the heavy loads handling easier and quicker.

10ton overhead crane for warehousing

European Overhead Cranes for Warehousing

Crane type: AQ-QDX European type overhead crane
Load capacity: 10 ton
Country: Kazakhstan
Installation method: Online installation guidance
Project information: The double girder 10 ton overhead cranes provided for this customer are used in their warehouses to load, unload and store the steel materials like steel coils as required. We have cooperated with this customer for more than once and have helped them greatly improve the work efficiency and save human labor and cost.

single girder crane for metal fabrication

Overhead Cranes for Metal Fabrication

Crane type: AQ-LD type single girder overhead crane
Load Capacity: 7.5 ton
Country: Dominica
Installation method: Online installation guidance
Project information: These two 7.5ton overhead cranes offered by our company used in metal fabrication workshop to handle heavy materials from one work cell to another. The two cranes have different spans and lifting height, one is with span of 13.9m and lifting height of 5.5m, and the other is with span of 19.2m and lifting height of 6.5m.

Get A Suitable Overhead Crane from Aicrane

Aicrane provides different types of overhead cranes to meet varying load capacities and operational needs. Our overhead cranes are built with high-quality materials and advanced technology, ensuring durability and reliable performance. With competitive pricing and customizable options, we deliver both value and functionality, making it easier to find an overhead crane that aligns with your specific material handling requirements. Want to get a suitable and cost-effective overhead crane solution now? Please don’t hesitate to contact Aicrane team now!

Specifications of Various Types of Overhead Cranes

Specifications of Single Girder Cranes:

AQ-LD

Capacityt123510162025
SpanS(m)7.5~31.57.5~31.57.5~31.57.5~31.57.5~31.57.5~31.57.5~31.57.5~25.5
Lifting heightm6~306~306~306~309~309~309~309~30
Lifting speedm/min8(0.8/8)8(0.8/8)8(0.8/8)8(0.8/8)7(0.7/7)3.5(0.35/3.5)3.3(0.33/3.3)3(0.3/3)
Trolley speedm/min20(30)20(30)20(30)20(30)20(30)181416
Crane speedm/min20(30)20(30)20(30)20(30)20(30)20(30)20(30)20(30)
Work dutyA3~A4A3~A4A3~A4A3~A4A3~A4A3~A4A3~A4A3~A4
Track typeP18P18 P24P24P24 P24 P30 P30 P38 P38 P43P38 P43

AQ-HD

Capacityt123.25
SpanS(m)7.5~28.57.5~28.57.5~28.57.5~28.5
Lifting heightm6~186~186~186~18
Lifting speedm/min0.8/50.8/50.8/50.8/5
Trolley speedm/min2~202~202~202~20
Crane speedm/min3~303~303~303~30
Work dutyA5A5A5A5
Track typeP18 P24P18 P24P24P24
Capacityt1012.51620
SpanS(m)7.5~28.57.5~28.57.5~28.57.5~28.5
Lifting heightm6~186~186~186~18
Lifting speedm/min0.8/50.66/40.66/40.53/3.4
Trolley speedm/min2~202~202~202~20
Crane speedm/min3~303~303~303~30
Work dutyA5A5A5A5
Track typeP30P30P30 P38P30 P38

AQ-LX

Capacityt0.5123510
SpanS(m)3~22.53~22.53~22.53~22.53~22.53~22.5
Lifting heightm6~306~306~306~306~309~30
Lifting speedm/min8(0.8/8)8(0.8/8)8(0.8/8)8(0.8/8)8(0.8/8)7(0.7/7)
Trolley speedm/min20(30)20(30)20(30)20(30)20(30)20(30)
Crane speedm/min20(30)20(30)20(30)20(30)20(30)20(30)
Work dutyA3~A4A3~A4A3~A4A3~A4A3~A4A3~A4

AQ-LDZ

Capacityt23510
SpanS(m)4.5-28.54.5-28.54.5-28.54.5-28.5
Lifting heightm6~166~166~166~13
Lifting speedm/min16161614
Trolley speedm/min20(30)20(30)20(30)20(30)
Crane speedm/min20(30)20(30)20(30)20(30)
Grab volume0.50.50.751
Work dutyA3~A4A3~A4A3~A4A3~A4
Track typeP18 P24P24P24 P24 P30

AQ-LB

Capacityt1235101620
SpanS(m)7.5~31.57.5~31.57.5~31.57.5~31.57.5~31.57.5~31.57.5~31.5
Lifting heightm6~306~306~306~309~309~309~30
Lifting speedm/min8(0.8/8)8(0.8/8)8(0.8/8)8(0.8/8)7(0.7/7)3.5(0.35/3.5)3.3(0.33/3.3)
Trolley speedm/min20(30)20(30)20(30)20(30)20(30)1814
Crane speedm/min20(30)20(30)20(30)20(30)20(30)20(30)20(30)
Work dutyA3~A4A3~A4A3~A4A3~A4A3~A4A3~A4A3~A4
Explosion-proof GradeExdⅡBT4、ExdⅡCT4
Track typeP18P18 P24P24P24 P24 P30 P30 P38 P30 P38

Specifications of Double Girder Cranes:

AQ-QD

Capacityt51016203250
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~166~166~166~166~186~16
Lifting speedm/min11.58.57.97.266
Trolley speedm/min37.237.440.1403731.3
Crane speedm/min70.670.674.375.164.958.5
Work dutyA3~A7A3~A7A3~A7A3~A7A3~A7A3~A7
Track typeP38P38 P43P43P43QU70 QU80
Capacityt75100125160200250
SpanS(m)10.5~31.513~3113~3113~3113~3113~31
Lifting heightm6~206~206~206~226~206~20
Lifting speedm/min3.93.13.93.52.62.2
Trolley speedm/min31.333.633403232
Crane speedm/min6161.862.3684850
Work dutyA3~A7A3~A7A3~A7A3~A7A3~A7A3~A7
Track typeQU100QU100QU100QU120QU120QU120
Capacityt300350400450
SpanS(m)13~3113~3113~3113~31
Lifting heightm6~246~246~246~24
Lifting speedm/min2.42.22.62.1
Trolley speedm/min28283127
Crane speedm/min42424542
Work dutyA3~A7A3~A7A3~A7A3~A7
Track typeQU120QU120QU120QU120

AQ-QDX

Capacityt51016203250
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~186~186~186~186~166~16
Lifting speedm/min1.07~10.70.81~8.10.73~7.30.58~5.80.49~4.90.4~4
Trolley speedm/min3.3~333.3~333.2~323.2~323.36~33.62.9~29
Crane speedm/min6.8~686.8~685.4~545.4~545.6~565.4~54
Work dutyA3~A5A3~A5A3~A5A3~A5A3~A5A3~A5
Track typeP38 P38 P43P43P43QU70 QU80
Capacityt75100160200250320
SpanS(m)10.5~31.513~3113~3113~3113~3113~31
Lifting heightm6~246~246~246~206~206~24
Lifting speedm/min0.37~3.70.32~3.20.25~2.50.24~2.40.21~2.10.2~2
Trolley speedm/min2.92~29.22.9~292.65~26.52.5~252.5~252.4~24
Crane speedm/min4.8~485.26~52.64.67~46.75.2~525.2~524.15~41.5
Work dutyA3~A5A3~A5A3~A5A3~A5A3~A5A3~A5
Track typeQU100QU100QU120QU120QU120QU120

AQ-LH

Capacityt5101620
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~309~309~309~30
Lifting speedm/min8(0.8/8)7(0.7/7)3.5(0.35/3.5)3.3(0.33/3.3)
Trolley speedm/min20(30)20(30)20(30)20(30)
Crane speedm/min20(43)20(43)20(43)20(43)
Work dutyA3~A4A3~A4A3~A4A3~A4
Track typeP30P30 P38 P38 P38 P43
Capacityt25324050
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm9~249~249~209~20
Lifting speedm/min3(0.3/3)3(0.3/3)2.3(0.23/2.3)1.8(0.18/1.8)
Trolley speedm/min20(30)20(30)20(30)20(30)
Crane speedm/min20(43)20(43)20(43)20(43)
Work dutyA3~A4A3~A4A3~A4A3~A4
Track typeP43P43P43 QU70P43 QU70

AQ-NLH

Capacityt5101620
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~186~186~186~18
Lifting speedm/min0.8/50.8/50.66/40.53/3.4
Trolley speedm/min2~202~202~202~20
Crane speedm/min3~303~303~303~30
Work dutyA5A5A5A5
Track typeP30P30 P38 P38 P38 P43
Capacityt32506380
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~186~186~186~18
Lifting speedm/min0.6/2.60.4~2.40.4~2.40.4~2.4
Trolley speedm/min2~202~202~202~20
Crane speedm/min3~303~303~303~30
Work dutyA5A5A5A5
Track typeP43P43 QU70QU70QU80

AQ-QB

Capacityt5101620325075
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~166~166~166~166~186~166~20
Lifting speedm/min554.24.24.131.9
Trolley speedm/min19.620.520.520.52019.110.5
Crane speedm/min22.322.319191719.415.4
Work dutyA3~A4A3~A4A3~A4A3~A4A3~A4A3~A4A3~A4
Explosion-proof GradeExdⅡBT4、ExdⅡCT4
Track typeP38P38 P43P43P43P43 QU70 QU80QU100

AQ-QC

Capacityt51016203250
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~166~166~166~166~186~16
Lifting speedm/min15.513.3139.79.57.8
Trolley speedm/min37.237.440.1403731.3
Crane speedm/min70.670.674.375.164.958.5
Work dutyA5~A7A5~A7A5~A7A5~A7A5~A7A5~A7
Track typeP38P38 P43P43P43QU70 QU80

AQ-YZ

Capacityt51016203250
SpanS(m)10.5~31.510.5~31.510.5~31.510.5~31.510.5~31.510.5~31.5
Lifting heightm6~166~166~166~166~166~16
Lifting speedm/min12.51310.89.99.77.6
Trolley speedm/min39.544.944.645.943.539.3
Crane speedm/min118.6114.9103.5103.58877.5
Work dutyA6~A8A6~A8A6~A8A6~A8A6~A8A6~A8
Track typeP38P38 P43P43 QU70P43 QU70QU70QU80
Capacityt74100125140160180
SpanS(m)13~3113~3113~3113~3113~3113~31
Lifting heightm6~206~206~206~226~226~24
Lifting speedm/min6.47.57.56.8467.2
Trolley speedm/min37.23838383738
Crane speedm/min777779.77377.886
Work dutyA6~A8A6~A8A6~A8A6~A8A6~A8A6~A8
Track typeQU100QU120QU120QU120QU120QU120
Capacityt200225240280320
SpanS(m)13~3113~3113~3113~3113~31
Lifting heightm6~246~246~246~246~24
Lifting speedm/min8810109
Trolley speedm/min4040383636
Crane speedm/min8687877663
Work dutyA6~A8A6~A8A6~A8A6~A8A6~A8
Track typeQU120QU120QU120QU120QU120

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