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L-Type Single Girder Hoist Gantry Crane

Gantry Cranes

Single Girder Gantry Crane

  • Lifting capacity: 2 ~ 32 ton
  • Span: 5 ~ 35 m
  • Lifting height: 6 ~ 24 m
  • work duty: A3~A5

Weihua Group is one of China's largest crane manufacturers, with over 30 years of experience in the industry, exporting its products to more than 100 countries and regions worldwide. Single-girder gantry cranes (also known as single-girder portal cranes) are one of Weihua's core products, widely used in various scenarios such as outdoor material yards, factory workshops, logistics warehouses, and railway freight yards.

Single Beam Gantry Crane Definition

Weihua's single-girder gantry cranes have lifting capacities ranging from 2 tons to 32 tons, spans from 5 to 35 meters, and maximum lifting heights from 6 to 24 meters. All parameters can be customized to meet customer needs. The products comply with GB and FEM/ISO international standards and have obtained CE certification, meeting global export requirements.

A single-girder gantry crane consists of a single main girder, two side legs, end beams, a traveling mechanism, and an electrical system. The electric hoist travels along the lower flange of the main girder, achieving precise lifting in three-dimensional space. Compared to double-girder gantry cranes, the single-girder structure is lighter, less expensive, and easier to install, making it the preferred choice for medium to light load applications.

Parts

Understanding the key components helps you specify the right crane for your application. A single girder gantry crane is composed of the following main assemblies:

MH Single Beam Hoist Gantry Crane Drawing
  • Main Girder:Single box beam or truss beam fabricated from Q345B high-strength structural steel. The main girder carries the hoist trolley and all dynamic and static loads.
  • End Trucks :Welded steel end carriages connecting the main girder to the legs. Equipped with precision-machined wheels running on ground-level rails.
  • Legs :Rigid or flexible legs (or a combination for L-type cranes). Rigid legs transmit vertical loads directly; flexible legs allow thermal expansion.
  • Electric Hoist & Trolley:CD1/MD1 wire rope hoist or chain hoist; travels along the bottom flange. Speed, rope drum, and hook assembly are all replaceable.
  • Bridge Drive Mechanism:Motorized end trucks with helical gear reducer and brake motor. Variable-speed (VFD) drive available for precise load positioning.
  • Electrical System:Main control panel, festoon cable or conductor rail, pendant push-button station or radio remote control. PLC-based control optional.
  • Rail & Runway System:KP or QU series crane rails on concrete foundation or steel runway beams. Supplied and designed to suit your site layout.
  • Safety Devices:Over-speed governor, over-travel limit switches, load limiter, emergency stop, anemometer (outdoor cranes), anti-collision devices.
  • Cabin / Remote Control:Pendant push-button standard; cab control or radio remote available for long-travel or outdoor cranes.

Types Of Single Girder Gantry Cranes

1. MH Box Type Single Girder Gantry Crane

The MH box-type single girder gantry crane is Weihua's best-selling general-purpose product. It features a welded box-type main girder, offering high rigidity and smooth operation, making it suitable for daily lifting operations in factory stockyards, freight yards, and outdoor storage areas.

Key Features:

High torsional rigidity of the box-type main girder, long fatigue life.

Standard configuration includes Weihua CD1/MD1 wire rope electric hoist.

Optional single or double cantilever for expanded working range.

Corrosion protection options include hot-dip galvanizing or epoxy coating to adapt to corrosive environments.

Suitable for outdoor lifting operations with medium to light loads of 2-20 tons in factory workshops, outdoor freight yards, steel storage yards, timber yards, building material warehouses, etc.

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MH Single Beam Hoist Gantry Crane
MH Box Type Specifications
Lifting Capacity2 / 3 / 5 / 10 / 16 / 20 t
Span5 – 35 m
Lifting Height6 / 9 / 12 / 18 m
Lifting Speed8 m/min (high) / 0.8 m/min (low, dual-speed)
Trolley Travel Speed20 m/min
Bridge Travel Speed20 – 32 m/min
Duty ClassA3 – A4
StandardsGB/T 14406, FEM, CE

2.MH Truss Single Beam Gantry Crane

MH Truss Single Girder Gantry Crane

The MH truss-type single beam gantry crane replaces the solid-web box girder with a triangular or rectangular welded truss, reducing overall weight by 20%–30% and decreasing windward area. This makes it particularly suitable for large spans (18 meters and above) and strong wind outdoor locations, while also reducing foundation construction costs.

Key Features

Truss structure: Lightweight and low wind load; overall cost is superior to box girder for large spans.

Suitable for high-wind-speed open-air environments such as seaside and coastal areas; anti-corrosion coating optional.

Can be equipped with single or double cantilever arms to increase coverage area.

Open-air storage yards, timber/pipe storage, bulk cargo yards, port auxiliary operation areas, and other large-span outdoor heavy-duty scenarios.

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MH Truss Type Specifications
Lifting Capacity5 / 10 / 16 / 20 / 32 t
Span10 – 35 m
Lifting Height6 – 24 m
Lifting Speed8 m/min / 0.8 m/min (dual-speed)
Bridge Travel Speed20 – 32 m/min
Duty ClassA3 – A5
StandardsGB/T 14406, FEM, CE

3.L Type Single Beam Hoist Gantry Crane

The L-type gantry crane is a flexible and efficient single-beam gantry crane suitable for outdoor material handling. Its core structure includes the main beam, legs, and hoisting mechanism.

Key Features

• L-shaped leg structure provides greater lifting space and span capacity.

• The main beam uses a single-beam staggered rail design, facilitating the transfer of objects from the span to below the cantilever.

• Box-type gantry frame: robust structure, suitable for heavy-duty operations.

Manufacturing workshops, storage yards, auto repair shops, precast concrete yards, logistics centers.

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L-Type Gantry Crane With Electric Hoist
L Type Specifications
Lifting Capacity5 / 10 / 16 / 20 / 32 t
Span10 – 35 m
Outdoor Leg Height4 – 24 m
Indoor Beam HeightCustomized to building structure
Bridge Travel Speed20 – 32 m/min
Duty ClassA3 – A5
StandardsGB/T 14406, FEM, CE

4.BMH Single Girder Semi Gantry Crane

20 Ton BMH Single Girder Semi Gantry Crane

The BMH semi-gantry crane runs along a ground track on one side and travels along an elevated track on the other side using the building's walls or columns. This maximizes the use of ground space, reduces construction costs, and is suitable for factories with load-bearing structures.

Key Features

• Single-sided ground track + single-sided elevated track, lower construction costs than a full gantry crane

• No outriggers obstructing the elevated side, resulting in more open ground space and easier logistics channel layout

• Weihua provides a complete solution: crane + track + foundation design + installation guidance

Manufacturing plants with reinforced concrete columns, metal processing workshops, truck loading and unloading platforms, and production lines where ground-level access does not allow for track installation on one side.

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BMH Semi GantrySpecifications
Lifting Capacity2 / 3 / 5 / 10 / 16 / 20 / 32 t
Span5 – 35 m
Lifting Height6 – 18 m
Bridge Travel Speed20 – 32 m/min
Duty ClassA3 – A4
Wall Rail LoadAssessed by Weihua structural engineers per project
StandardsGB/T 14406, FEM, CE

5.Portable Gantry Crane

The Weihua portable gantry crane features a lightweight, movable lifting frame with a bolt-assembled structure, requiring no welding or ground fixing. Both height and span are adjustable within a certain range. Equipped with heavy-duty swivel casters, it can move freely with the workstation, making it suitable for locations where fixed lifting equipment cannot be installed.

Key Features

• Bolted assembly, no welding required, quick assembly and disassembly

• Adjustable height and span to adapt to different workstation needs

• Equipped with locking brake swivel casters for convenient and safe relocation

• Can be used with manual or electric chain hoists

Equipped for light-load, flexible lifting scenarios such as equipment repair workshops, engine assembly areas, auto repair shops, laboratories, and temporary outdoor construction sites.

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Small Portable Gantry Crane​
Portable Gantry Specifications
Lifting Capacity0.5 / 1 / 2 / 3 / 5 t
Beam Length (Span)2 – 6 m (adjustable)
Lifting Height2 – 5 m (adjustable)
Hoist TypeManual chain hoist / electric chain hoist
MobilitySwivel caster wheels with locking brakes
Frame MaterialStructural steel (aluminium alloy option available)
AssemblyBolt-together modular; no welding required
StandardsGB, CE

Single Girder Gantry Crane Price

The price of a single-girder gantry crane is affected by various factors, including lifting capacity, span, lifting height, hoist type, electrical configuration, surface treatment, and customization requirements. As a factory-direct sales company, Weihua Group offers direct factory prices without intermediary markups.

ModelCapacity (t)Span (m)Lifting Height (m)Price
MH Box Type2 – 20 t5 – 35 m6 – 18 m$13,000 ~ 54,000
MH Truss Type5 – 32 t10 – 35 m6 – 24 m$14,000 ~ 56,000
L Type (One Leg)5 – 32 t10 – 35 m6 – 24 m$11,000 ~ 48,000
BMH Semi Gantry2 – 32 t5 – 35 m6 – 18 m$9,000 ~ 40,000
Portable Gantry0.5 – 5 t2 – 6 m2 – 5 m$6,000 ~ 35,000

For an accurate quote, please send your technical requirements to the Weihua sales team. We will reply within 24 hours.

Customized Single Girder Gantry Crane

Every project site has its unique characteristics. Weihua Engineering's team possesses extensive experience in non-standard customization, having provided thousands of customized single-girder gantry crane solutions for clients in industries such as metallurgy, shipbuilding, automotive, ports, precast components, and chemicals.

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Customizable Features

• Non-standard span and lifting height, including dual-machine tandem lifting configuration

• Single/double-sided cantilever, independent or shared trolley

• Wire rope hoist, chain hoist, explosion-proof hoist, or metallurgical electric hoist

• Single-speed/dual-speed/frequency conversion stepless speed regulation drive

• Button control box, driver's cab, wireless remote control, semi-automatic/fully automatic PLC control

• Explosion-proof (Ex) rating, food-grade stainless steel, cleanroom compatible, low temperature -40°C and other special working conditions

• Container spreaders, coil saddles, vacuum suction cups, grab buckets, magnetic beams and other special lifting devices

• Hot-dip galvanizing or marine environment-specific coating systems

Weihua Customized Service Process

① Needs Communication — Provide lifting tasks, site drawings and special working conditions

② Technical Solution — Weihua engineers provide 3D models, load calculations and technical specifications

③ Commercial Quotation — Factory direct price, delivery time and payment terms

④ Drawing Confirmation — Production is arranged after customer approval of engineering drawings

⑤ Manufacturing and Testing — Manufactured according to drawings, with a static test at 125% rated load before leaving the factory.

⑥ Shipping and Installation — Sea/Land/Air transport; Weihua technical personnel can provide on-site guidance for installation and commissioning.

Single Beam Gantry Crane Manufacturer And Supplier-Weihua

Founded in 1988, Weihua Group is a leading enterprise in China's crane industry, producing over 30,000 cranes annually. Its products are exported to more than 100 countries worldwide. We offer factory-direct sales and fully in-house manufacturing, holding international certifications such as CE and ISO 9001. Standard configurations are delivered within 15-30 days, and we provide turnkey services including installation, commissioning, and operator training.

Please provide lifting capacity, span, lifting height, and application scenario. Weihua engineers will respond with technical solutions and quotations within 24 hours.

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Get In Touch

Please feel free to leave a message. We will reply in 24 hours.

Please specify your requirement by referring to the following aspects:

  • Which crane product do you need?
  • What is the maximum lifting capacity (in tons) required for your project?
  • Could you specify the lifting height (in meters) needed?
  • Can you provide details on the working environment, such as ground conditions, space limitations, and any obstacles?
  • What is the expected frequency of use and the duration of the project?

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