Double Girder Gantry Crane | Complete Henan Mine Crane Product Range

Product Family Structure

Complete Double Girder Gantry Crane Range

Select the product family first from the actual lifting process, then define span, lifting height, trolley arrangement, cantilever, working class, outdoor wind protection, rail system and foundation loads.

General Double GirderMG · ME Material HandlingMZ · MC · MEN Process / ConstructionMGY · MGC · MGG Electric Hoist Double GirderMHS · KSMHS Truss / Multi-TrolleyMEH Double-Girder Semi-GantryMGB · MGBE · MB₁ · MBES

General Double-Girder Gantry Cranes

Core double-main-girder systems for general heavy lifting and synchronized multi-point handling.

MG Double-Girder Hook Gantry Crane

General-purpose double-girder hook gantry crane for machinery, steel structures, fabricated components and heavy cargo in factories, storage yards, terminals and construction areas. Cantilevers can be arranged on one side, both sides or omitted according to the material flow.

Double Main GirderHook LiftingGeneral PurposeCantilever Optional

Technical Specifications

Type-Test Model	MG
Type-Test Product	General Gantry Crane
Main Structure	Double main girder gantry
Lifting Device	Hook
Operating Environment	Indoor or outdoor fixed-rail handling
Cantilever	Both sides / one side / without cantilever
Control	Ground / wireless remote / cabin according to project
Power Supply	Cable reel or conductor system according to runway
Technical Range	Selected according to load, span, lifting height, duty and site rail/foundation conditions
Typical Use	Factory yard, steel structure yard, machinery handling, terminal and engineering projects

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ME New-Type Double-Trolley Double-Girder Gantry Crane

New-type double-trolley double-main-girder gantry crane for long, wide and heavy loads. The two trolleys can work separately or jointly, allowing one crane to handle independent lifting tasks and synchronized two-point lifting of oversized components.

Double Main GirderTwo TrolleysA3–A8Independent / Joint

Technical Specifications

Type-Test Model	ME
Type-Test Product	General Gantry Crane
Main Structure	New-type double main girder
Trolley Quantity	2
Working Class	A3–A8
Trolley Operation	Independent or combined operation
Drive	Three-in-one direct drive for crane and trolley travel
Synchronization	Encoder and inverter-based coordinated control
Position Assistance	Crane projection / positioning warning option
Typical Use	Long components, large assemblies, steel structures and tandem lifting

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Material-Handling Double-Girder Gantry Cranes

Process configurations for bulk materials, magnetic steel and mixed magnetic/hook handling.

MZ Double-Girder Grab Gantry Crane

Dedicated double-main-girder grab gantry crane for repetitive bulk-material handling. The grab system is integrated with a rigid double-girder portal for coal, ore, slag, sand and other loose materials in stockyards, ports and industrial transfer areas.

Double Main GirderGrabBulk MaterialHigh-Cycle Handling

Technical Specifications

Type-Test Model	MZ
Type-Test Product	General Gantry Crane
Main Structure	Double main girder
Lifting Device	Grab bucket
Grab Operation	Hydraulic or mechanical transmission depending on configuration
Grab Opening / Closing	3–5 s in the product description
Control	Manual and automated operating modes can be configured
Monitoring	Multi-camera visual monitoring available
Selection Basis	Material density, grab self-weight, required throughput, span, lifting height and cycle rate
Typical Use	Coal, ore, slag, sand and other bulk-material yards

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MC Double-Girder Electromagnetic Gantry Crane

Electromagnetic double-main-girder gantry crane for scrap steel, billets, magnetic ore and other ferromagnetic materials. The crane combines a rigid double-girder portal with electromagnetic lifting for continuous pickup, transfer, stacking and release.

Double Main GirderElectromagneticSteel / ScrapVFD

Technical Specifications

Type-Test Model	MC
Type-Test Product	General Gantry Crane
Main Structure	Double main girder
Lifting Device	Electromagnetic lifting magnet
Motion Control	Full-crane variable-frequency control
Material	Ferromagnetic scrap, billet, steel products and suitable magnetic bulk material
Safety	Overload, travel limits, buffers and outdoor wind protection
Cantilever	Optional according to yard layout
Selection Basis	Suspended magnetic load, material geometry, magnet arrangement, duty, span and lifting height
Typical Use	Steel mills, scrap yards, ports and power-industry material yards

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MEN

MEN Double-Trolley Electromagnetic & Hook Gantry Crane

Dual-trolley heavy-duty gantry crane combining electromagnetic lifting and conventional hook lifting. It is used where magnetic steel and general suspended loads share the same yard and where two trolley positions provide additional handling flexibility.

Two TrolleysMagnet + HookA3–A8PLC / HMI

Technical Specifications

Type-Test Model	MEN
Type-Test Product	General Gantry Crane
Trolley Quantity	2
Lifting Devices	Electromagnetic magnet + hook
Working Class	A3–A8
Control	PLC module + HMI touch screen + WLK master controller
Magnet Response	0.5–1 s response
Magnetic Handling Cycle	80–100 pickup cycles/h configuration
Structure Design	Main girder, legs and end structures optimized by finite-element analysis
Typical Use	Steel mills, scrap recycling yards, port yards and heavy manufacturing

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Heavy Process & Construction Double-Girder Gantry Cranes

Double-girder systems for metallurgical, subway/tunnel and bridge-construction duties.

MGY

MGY Metallurgical Double-Girder Gantry Crane

Metallurgical double-main-girder gantry crane equipped with a gantry-hook lifting device for molten-steel ladles, slag pots and metallurgical maintenance. Structural heat protection and process-specific control support repeated operation in high-temperature areas.

Double Main GirderGantry HookHigh TemperatureMetallurgical

Technical Specifications

Type-Test Model	MGY
Type-Test Product	General Gantry Crane
Main Structure	Double main girder
Lifting Device	Metallurgical gantry hook
Handled Load	Molten-steel ladle / slag-pot maintenance loads
Thermal Protection	Heat shielding on main girders, legs and critical structure
Hoisting Control	Stator-voltage speed regulation in description
Travel Control	Variable-frequency travel
Control Platform	PLC + HMI + WLK master controller
Typical Use	Steelmaking, ladle and slag-pot handling

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MGC

MGC Subway Slag Double-Girder Gantry Crane

Special double-main-girder gantry crane for metro and tunnel construction. It lifts slag hoppers from deep shafts, transfers and overturns spoil, and can also handle tunnel segments. Variable-span and rotating-trolley functions can be configured for changing construction sites.

Double Main Girder45–50 t TypicalUp to 100 m LiftMetro / Tunnel

Technical Specifications

Type-Test Model	MGC
Type-Test Product	General Gantry Crane
Main Structure	Double main girder subway slag gantry
Typical Capacity	45–50 t in Available configurations description
Lifting Height	Up to 100 m in Available configurations description
Process	Slag lifting, transfer, automatic overturning and segment handling
Trolley	180° rotation available for discharge-direction adjustment
Crane Travel	8-wheel / 4-drive arrangement in description
Outdoor Safety	Wind rail clamp + anchoring device
Special Function	Variable span can be configured for relocation between sites

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MGG

MGG Engineering Double-Girder Truss Gantry Crane

Engineering gantry crane for bridge, highway and precast-beam construction. The structure uses double main truss girders, steel-tube lattice legs, one trolley and one winch, providing a transportable and site-adaptable heavy lifting system.

Double Main GirderTrussSingle TrolleyBridge Construction

Technical Specifications

Type-Test Model	MGG
Type-Test Product	General Gantry Crane
Main Structure	Double main girders — lattice/truss girders with steel-tube legs
Trolley	Single trolley
Hoisting	Single winch
Primary Duties	Precast beam lifting, material transfer and pile-foundation spoil handling
Site Character	Outdoor construction, relocation and temporary heavy lifting
Control	Project-specific cabin / remote configuration
Selection Basis	Beam weight and length, span, lifting height, runway/foundation and relocation requirements

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Electric-Hoist Double-Girder Gantry Cranes

Double-main-girder structures using electric-hoist lifting mechanisms for simpler maintenance and lower structural/drive complexity.

MHS

MHS Double-Main-Girder Electric-Hoist Gantry Crane

Double-main-girder gantry crane using a sitting-type electric-hoist trolley. It provides higher capacity and bridge stability than a single-girder hoist gantry while keeping the lifting mechanism simpler and easier to maintain than a conventional winch-trolley double-girder gantry.

Double Main GirderElectric HoistSitting TrolleyGeneral Duty

Technical Specifications

Type-Test Model	MHS
Type-Test Product	Electric Hoist Gantry Crane
Main Structure	Double main girder
Lifting Mechanism	Electric hoist on sitting-type trolley
Main Benefit	Higher lifting height than directly suspended hoist arrangement
Maintenance	Simpler than conventional winch-trolley double-girder gantry
Cantilever	Optional according to required working coverage
Control	Ground / remote / cabin according to project
Typical Use	Factory yards, warehouses, maintenance and general heavy handling

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KSMHS

KSMHS New Double-Main-Girder Electric-Hoist Gantry Crane

New-generation double-main-girder electric-hoist gantry crane with lightweight structure, VFD motion and quick electrical interface for hook, grab or electromagnetic lifting arrangements. It is intended for lower wheel loads, lower energy consumption and smoother positioning.

Double Main GirderA3–A5LightweightIP55

Technical Specifications

Type-Test Model	KSMHS
Type-Test Product	Electric Hoist Gantry Crane
Main Structure	New double main girder
Working Class	A3–A5
Motion Control	VFD hoisting and travel; heavy-load slow / light-load fast
Speed Ratio	1:10 regulation range in description
Weight Reduction	15–30% vs traditional crane in description
Max Wheel-Load Reduction	20–35% in description
Energy Reduction	10–20% in description
Electrical Protection	IP55; heavy-duty aviation plug connection
Lifting Attachments	Hook / grab / electromagnetic quick electrical changeover

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Truss & Multi-Trolley Double-Girder Gantry Cranes

Truss and multi-trolley systems for long loads, large yards and transport-sensitive projects.

MEH

MEH Double-Trolley Truss Gantry Crane

Double-trolley truss gantry crane for long loads, large construction components and yards where structural self-weight, outdoor wind load and transport dimensions matter. The bridge and end structures can be delivered in sections and bolted together on site.

TrussTwo TrolleysA3–A5Segmented Structure

Technical Specifications

Type-Test Model	MEH
Type-Test Product	General Gantry Crane
Bridge Structure	Truss / lattice structure
Trolley Quantity	2
Working Class	A3–A5
Motion Control	Variable-frequency hoisting and travel
Cantilever	Both sides / one side / without cantilever
Assembly	Segmented components + bolted site assembly
Selection Basis	Individual trolley loads, total load, lifting-point spacing, span, wind and transportation access
Typical Use	Bridge work, precast yards, logistics yards and restricted-transport projects

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Double-Girder Semi-Gantry Branch

Double-girder variants using one ground-supported side and one elevated/building-supported runway.

MGB

MGB Double-Girder Hook Semi-Gantry Crane

Double-girder semi-gantry crane derived from the full double-girder gantry structure. One side runs on a ground rail while the opposite side uses an elevated building-supported runway, making it suitable for wall-side production and warehouse areas.

Double GirderSemi-GantryHookSpace Saving

Technical Specifications

Type-Test Model	MGB
Type-Test Product	General Gantry Crane
Structure	Double-girder semi-gantry
Lifting Device	Hook
Runway Layout	One ground-supported side + one elevated/building-supported side
Primary Benefit	Uses wall-side space and reduces the need for a full second ground-supported leg line
Typical Use	Factory side bays, warehouse edges and narrow material-transfer areas

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MGBE

MGBE Double-Trolley Semi-Gantry Crane

Two-trolley semi-gantry crane for side-bay layouts requiring two lifting positions. The trolleys can support separate handling tasks or coordinated lifting while one crane side is building-supported and the other runs on a ground rail.

Double TrolleySemi-GantryA3–A8Multi-Crane Linkage

Technical Specifications

Type-Test Model	MGBE
Type-Test Product	General Gantry Crane
Trolley Quantity	2
Working Class	A3–A8
Runway Layout	Semi-gantry — one elevated side + one ground side
Control	VFD motion
Networking	5G or industrial-Ethernet multi-crane information synchronization in description
Typical Use	Side bays, wall-adjacent production lines and multi-point handling

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MB1

MB₁ Double-Main-Girder Electric-Hoist Semi-Gantry Crane

Compact double-main-girder electric-hoist semi-gantry crane for low buildings, narrow passages and wall-side work areas. It combines a double-girder bridge with a semi-gantry runway arrangement and electric-hoist lifting.

Double Main GirderElectric HoistSemi-GantryA3–A5

Technical Specifications

Type-Test Model	MB₁
Type-Test Product	Electric Hoist Gantry Crane
Main Structure	Double main girder semi-gantry
Working Class	A3–A5
Lifting Mechanism	Electric hoist
Drive	Three-in-one direct travel drive
Control	Cabin / pendant / wireless remote / PLC linkage
Design Focus	Compact overall height for low buildings and restricted access

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MBES

MBES New Double-Main-Girder Electric-Hoist Semi-Gantry Crane

New-generation double-main-girder electric-hoist semi-gantry crane with compact structure and three-in-one direct travel drive. It is designed for modern side-bay and restricted-space lifting where a full two-leg gantry is unnecessary.

New TypeDouble Main GirderElectric HoistSemi-Gantry

Technical Specifications

Type-Test Model	MBES
Type-Test Product	Electric Hoist Gantry Crane
Main Structure	New double main girder semi-gantry
Working Class	A3–A5 family
Drive	Three-in-one direct travel drive
Control	Pendant / wireless remote
Design Focus	Compact overall dimensions and low building-height compatibility
Typical Use	Narrow production areas, warehouse side bays and wall-side lifting

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Additional Confirmed Double-Girder / Double-Girder-Capable Families

Additional Gantry Crane Families

Products found outside the main general/electric-hoist gantry lists that also belong in the complete double-girder collection.

MN Grab & Hook Dual-Purpose Gantry Crane

A dual-purpose gantry crane using a quick-change arrangement to switch between grab-bucket handling of loose bulk materials and hook handling of general cargo. The same crane can therefore serve mixed stockyards, ports and industrial yards where both material streams share one runway.

Grab + HookDual-PurposeBulk + General CargoVFD

Technical Specifications

Type-Test Model	MN
Type-Test Product	General Gantry Crane
Lifting Devices	Grab bucket + hook quick-change system
Grab Control	Opening and supporting ropes work together for material pickup
Grab Response	3–5 s opening/closing cycle in the Available configurations description
Motion Control	Variable-frequency control
Typical Materials	Coal, ore and other loose bulk + general suspended cargo
Typical Use	Mixed-material yards, ports and industrial transfer areas

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BMH — Double-Girder Option

Explosion-Proof Gantry Crane — Double-Girder Configuration

BMH electric-hoist gantry cranes are available in single- and double-girder arrangements for hazardous-area lifting. Specify the area classification, load and duty for the complete crane.

Explosion-ProofDouble-Girder OptionA3Electric Hoist

Technical Specifications

Type-Test Model	BMH
Type-Test Product	Explosion-Proof Gantry Crane
Lifting Mechanism	Explosion-proof electric hoist
Working Class	A3 in Available configurations description
Structure Availability	Single- and double-girder versions available
Lifting Device	Hook
Control	Cabin / ground / remote
Selection Basis	Capacity, span, lifting height, hazardous medium, zone/group/temperature class and site layout

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CMJ / RMG

Rail-Mounted Container Gantry Crane

Dedicated rail-mounted container gantry crane for ports, railway terminals and container yards. It is a separate Henan Mine Crane product family with PLC/VFD control, anti-sway functions, automated handling capability and multi-layer safety protection.

Container GantryRail MountedPLC + VFDAutomation

Technical Specifications

Type-Test Model	CMJ
Type-Test Product	Rail-Mounted Container Gantry Crane
Travel	Fixed rail
Primary Load	ISO containers with dedicated spreader
Control	VFD + PLC
Stability	Wire-rope damping / anti-sway control
Automation	Automatic handling available
Safety	Anti-collision, anti-sway, travel limits and crane anchoring
Typical Use	Ports, inland container depots, railway freight terminals and container yards

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MU — Double-Girder Option

Shipbuilding Gantry Crane — Double-Main-Girder Configuration

Shipbuilding gantry crane for docks and slipways. Henan Mine Crane explicitly states that the MU family can use either double-main-girder or single-main-girder structures; the double-girder configuration is selected for large ship-section lifting, turning and erection duties.

ShipbuildingDouble-Main-Girder OptionPLC + VFDSection Turning

Technical Specifications

Type-Test Model	MU
Type-Test Product	Shipbuilding Gantry Crane
Main Structure	Portal frame with double-main-girder or single-main-girder option
Leg Arrangement	Rigid leg + flexible leg
Primary Duties	Ship-section lifting, turning and erection / joining
Control	PLC + VFD communication control
Monitoring	Safety monitoring + video monitoring system
Design	Main load-bearing members analyzed by finite element method

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Structure	Technical Range	When It Is Selected	Key Engineering Focus
A-Type Double Girder	A-type double-girder hook gantry cranes offer 5–160 t configurations.	General heavy outdoor lifting where inclined A-frame legs provide a stable and familiar portal structure.	Leg interference, cantilever, wind load, wheel pressure and foundation reactions.
U-Type Double Girder	U-type double-girder hook gantry cranes offer 10–50/10 t configurations.	Long or bulky cargo needs more open clearance through the legs.	Portal clearance, cargo passage, leg spacing, rail/foundation and outdoor stability.
Box Girder	Used by conventional MG/MHS/KSMHS and other rigid double-main-girder configurations.	Higher bridge stiffness and torsional rigidity are priorities.	Dead weight, wheel pressure, transport segmentation and fabrication size.
Truss / Lattice Girder	Used by MGG and MEH families.	Outdoor wind resistance, lower self-weight or transportable segmented construction is important.	Wind, bolted field assembly, local stability, deflection and transportation envelope.

Model / Product	Structure	Lifting System	Duty	Primary Application
MG MG Double-Girder Hook Gantry Crane	Double main girder gantry	Hook	Project-specific / project-specific	Cantilever Optional
ME ME New-Type Double-Trolley Double-Girder Gantry Crane	New-type double main girder	Hook / project-specific	A3–A8	Independent / Joint
MZ MZ Double-Girder Grab Gantry Crane	Double main girder	Grab bucket	Project-specific / project-specific	High-Cycle Handling
MC MC Double-Girder Electromagnetic Gantry Crane	Double main girder	Electromagnetic lifting magnet	Project-specific / project-specific	VFD
MEN MEN Double-Trolley Electromagnetic & Hook Gantry Crane	Double-girder / project-specific	Electromagnetic magnet + hook	A3–A8	PLC / HMI
MGY MGY Metallurgical Double-Girder Gantry Crane	Double main girder	Metallurgical gantry hook	Project-specific / project-specific	Metallurgical
MGC MGC Subway Slag Double-Girder Gantry Crane	Double main girder subway slag gantry	Hook / project-specific	Project-specific / project-specific	Metro / Tunnel
MGG MGG Engineering Double-Girder Truss Gantry Crane	Double main girders — lattice/truss girders with steel-tube legs	Single winch	Project-specific / project-specific	Bridge Construction
MHS MHS Double-Main-Girder Electric-Hoist Gantry Crane	Double main girder	Electric hoist on sitting-type trolley	Project-specific / project-specific	General Duty
KSMHS KSMHS New Double-Main-Girder Electric-Hoist Gantry Crane	New double main girder	Hook / project-specific	A3–A5	IP55
MEH MEH Double-Trolley Truss Gantry Crane	Truss / lattice structure	Hook / project-specific	A3–A5	Segmented Structure
MGB MGB Double-Girder Hook Semi-Gantry Crane	Double-girder semi-gantry	Hook	Project-specific / project-specific	Space Saving
MGBE MGBE Double-Trolley Semi-Gantry Crane	Double-girder / project-specific	Hook / project-specific	A3–A8	Multi-Crane Linkage
MB1 MB₁ Double-Main-Girder Electric-Hoist Semi-Gantry Crane	Double main girder semi-gantry	Electric hoist	A3–A5	A3–A5
MBES MBES New Double-Main-Girder Electric-Hoist Semi-Gantry Crane	New double main girder semi-gantry	Hook / project-specific	A3–A5 family	Semi-Gantry

Double Girder Gantry Cranes

Complete Double Girder Gantry Crane Range

General Double-Girder Gantry Cranes

MG Double-Girder Hook Gantry Crane

ME New-Type Double-Trolley Double-Girder Gantry Crane

Material-Handling Double-Girder Gantry Cranes

MZ Double-Girder Grab Gantry Crane

MC Double-Girder Electromagnetic Gantry Crane

MEN Double-Trolley Electromagnetic & Hook Gantry Crane

Heavy Process & Construction Double-Girder Gantry Cranes

MGY Metallurgical Double-Girder Gantry Crane

MGC Subway Slag Double-Girder Gantry Crane

MGG Engineering Double-Girder Truss Gantry Crane

Electric-Hoist Double-Girder Gantry Cranes

MHS Double-Main-Girder Electric-Hoist Gantry Crane

KSMHS New Double-Main-Girder Electric-Hoist Gantry Crane

Truss & Multi-Trolley Double-Girder Gantry Cranes

MEH Double-Trolley Truss Gantry Crane

Double-Girder Semi-Gantry Branch

MGB Double-Girder Hook Semi-Gantry Crane

MGBE Double-Trolley Semi-Gantry Crane

MB₁ Double-Main-Girder Electric-Hoist Semi-Gantry Crane

MBES New Double-Main-Girder Electric-Hoist Semi-Gantry Crane

Additional Gantry Crane Families

MN Grab & Hook Dual-Purpose Gantry Crane

Explosion-Proof Gantry Crane — Double-Girder Configuration

Rail-Mounted Container Gantry Crane

Shipbuilding Gantry Crane — Double-Main-Girder Configuration

Double Girder Gantry Crane Product Comparison

A-Type, U-Type, Box Girder and Truss Are Structural Choices

Choose by the Load and Operating Process

General Heavy Loads

Long / Multi-Point Loads

Bulk Materials

Magnetic Steel

Magnet + Hook Yard

High-Temperature Metallurgy

Metro / Tunnel Construction

Bridge / Precast Engineering

Lower-Complexity Hoist System

Critical Data for Double-Girder Gantry Crane Design

Maximum Wheel Load

Span & Cantilever

Wind & Storm Protection

Anti-Skew Travel

Power Supply

Corrosion & Temperature

Container and Shipbuilding Branches

Rail-Mounted Container Gantry Crane

Shipbuilding Gantry Crane — Double-Girder Configuration

Ultra-Heavy Double-Girder Gantry Cranes

Double-Girder Gantry Crane Project Capability

100 t Double-Main-Girder Gantry Crane

750 t & 500 t Double-Girder Gantry Cranes

800 t / 600 t / 500 t Double-Trolley Systems

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