Henan, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Industrial Equipment & Components, Manufacturing & ...
Management System Certification:
ISO 9001, PAS 28000, ISO 10012
Terms of Payment:
LC, T/T, PayPal, Western Union
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Truss Gantry Crane, Double Beam Crane, Mobile Gantry Crane manufacturer / supplier in China, offering Double Main Girder Mobile Truss Gantry Crane 30ton, Hot Sale DC Motor Railway Battery Powered Flat Cart China Factory, Bay to Bay 50t Cold Rolled Steel Coil Transfer Car on Rails Remote Control and so on.

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Double Main Girder Mobile Truss Gantry Crane 30ton

Get Latest Price
Min. Order / Reference FOB Price
1 Set US $3,000-40,000/ Set
Port: Qingdao, China
Production Capacity: 3200sets/Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Certification: GS, RoHS, CE, ISO9001
Condition: New
Operation Form: Cabin
Maximum Lifting Height: 30-40m
Maximum Lifting Weight: 20-50t
Type: Construction

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Basic Info

Model NO.: MG type
Warranty: One Year
Limit Switch: Included
Weight Overload Protect Device: Included
Working Duty: A3~A5
Color: as You Demand
Crane Feature: Electric Mobile Box Girder Crane
Voltage: 380V/400V440V, etc
Customizd: Included
CAD Drawing: Included
Current Low Protect Device: Included
Trademark: Chengben
Transport Package: Plywood Case /Woven Cloth
Specification: high strength steel/welding
Origin: China, Henan
HS Code: 8426193000

Product Description

                   double main girder mobile truss gantry crane 30ton

Product Information                                                                                                                  
MG type double girder gantry crane composed of gantry, crane crab, trolley traveling mechanism, cab and electric control system, The trolley can move horizontally on a pair of rails on the beam. Cabin used for operating, with seats inside. 
Floor adopts insulation pads and toughened glass for windows; extinguisher and fan are equipped. Other accessory 
equipment like aircondition, buzzer, interphone and etc. can beconfigured according to our client's request.
Lifting capacity up to 500ton.
span is 12m to 35m.
Lifting height up to 12m.
Applied outside warehouse or railway sideways.
This kind of crane is composed of bridge, support legs, crane traveling organ, winch trolley, electric equipment, strong lifting winch.
Crane traveling mechanisms are operated in the driver cabin or remote control.
Power is supplied by cable or slide wire.
Main Stucture
Double girder, welded box beams, the camber line is according to national standard.
High safety, high steel degree.
Adopts high quality carbon steel, Q235B or Q345B.
The main weld is by submerged arc welding automatic welding, nondestructive flaw detection.
The end truck adopts 10.9 high strength bolt connection.
The crane traveling mechanism adopts separated driving, and it can use trinity drive too, safe and reliable.
End beam equipped with buffer block, orbital cleaning device.

 1. Light weight, high stiffness, low in processing cost, and wind-resistance.
2. Unique steel pin connection, which is not only firm, but also easy to install.
3. Flexible pole outrigger, which is easy to be disassembly into pieces when move to a new site.
4. Smooth starting and stopping, safe and reliable traveling, long life.
5. Low noise, commodious cabin with good view.
6. Easy installation and convenient maintenance.
7. Excellent exchangeability for parts and components.
8. Crane drive: IP54 or IP44, level F insulation.
Lifting Capacity (t)101620/1032/1036/1650/10
Span (m)18-35
Lifting Height (m)10-13
Duty ClassA5-A8
Wheel Pressure (KN)225-295255-373208-289324-334314-363452
Steel Track43kg/m50kg/m
Power Source3-phase A.C 380V 50HZ (As your demand)
 Packing & Shiping                                                                                                                     
1. Steel structures packed by plastic woven cloth.
2. Electrical and other parts packed by wooden case. 
3. All parts will be loaded into 20ft or 40ft container.  If  the parts' length beyond 12.0m, they will be loaded onto bulk cargo ship after package.
Delivery time: 
within 35 days after receipt of your deposit.
Payment terms:
FOB, CFR and CIF are common trade terms. We can accept payment terms: TT, L/C, west unit, DP, DA and othe
Details of Double Girder Gantry Crane

This type of double girder gantry crane consists of 5 main parts, namely, the bridge structure, A-frame support legs, the traveling mechanism, the trolley and the electric equipment. It has box type and trussed type, box type has characteristic of slim body and strong lifting capacity; trussed type has characteristic of small windward surface, small deadweight and strong lifting capacity.
The girder could also have a double girder design for heavy duty applications, where a suitable track is provided on top of the girders for travel of crab wheels. 
Standard Features:
Motors:The motors are used specially crane duty suitable for frequent starting , reversing & braking in accordance with ISO 9001:2000 ISO 14001:2004.Motors are totally enclosed in dust proof construction foot / flange mounted TESC / TEFC , Sq. cage motors with integrated safety brakes, insulation class F, IP54 protection for hoisting, CT & LT motions.
Brakes:Independent Hydraulic Brake make the crane more safe and easier to control
Gear Box :The entire gear boxes are made of accurate hob cut helical / spur gears & pinions having hardness 250 to 350 BHN made from carbon alloy steel. All gears & pinions running on antifriction type ball / roller bearings in totally enclosed oil bath giving constant splash lubrication. The helical / Spur gear designed for adequate strength and optimum wear resistance for smooth operation & long life. 
Wheels:The wheels of crane crab ,main beam and end carriage are produced in our special Vacuum casting workshop (No sand inclusion technic) ) which make our wheels more elastic and outer surface hard-wearing and durable.
Electrical Panel :Modular design, ease to install and maintain, reliable operation, fuse less circuitry, ducted wiring and compact terminals. Motor overload protection to prevent overloading.
Limit Switch:Safety limit switches for stoppers will be provided to prevent over traveling in all motions.
Painting:Two coats of primer before assembly & two coats of synthetic enamel after testing.

Optional Features :
Variable speed through VVF Drive
Soft starter
Slipring motors
Wireless Radio Remote control
Shrouded DSL system for power feeding
Cabin Operated
Tech parameter of Double Girder Gantry Crane 20 Ton China 

Eight safety devices
Overload protect device
Limit switch for lifting
Limit switch for CT & LT traveling
Emergency stop system
Electric current overload protect device
Lower/Over voltage protect device
Phase order protection
Top quality long time bearing polyurethane materials buffer

Warranty Period:
Warranty period means all operations strictly comply with our company Production Manual , Ensure normal service life.
Main body: 12 months (from the date of delivery). 
Spare Parts: 6months (from the date of delivery).

Warranty Principle:
Within warranty period, customer should appropriately transport, reserve, installation; Based on every process strictly as per Production Manual, production broken caused by production, assembly or material quality, and confirmed by ChongPeng Grup technology service team, it is our company duty, we offer free repair maintenance service; In Principle, we adopts change spare parts to solve problems; If need change complete set (just for winch), under confirmation of sale department and quality supervision department that cannot solve by spare parts replacement, it could be executed after general manager approval.

 1. Are you manufacturer or trade Company?
We are not only a factory ,but also a trading company with trade team for international service.
2. what is your lead time for your goods?
Thanks for your question. Normally35 days after confirmed order. 20 days could be available for some items in sufficient stock and standard requirements, and 40 days during new year and peak season ( March  to May).
3.What should I provide when inquiry?
Thanks for your question. The more information you provide, the accurate solution we can prepare for you! General speaking .you should provide the following details:
A-lifting  capacity
B-the span of crane 
C- lifting height
D- power source or other specials.
4.How about the allocations of crane?
Except crane main girder, we also provide crane drive, hoist, electric system as you required, special crane can be customized.
5. How many operating methods for my selection?
Standard operating methods:
A: pendent controller with push buttons.B: remote control with push buttons
C: cabin(space capsule seat) control with joystick. Choose any type as you like.
6. Can this type work in hazardous environment?
Sure! Can customize for you, acid proof or explosion proof, no problem for that.                        

Contact us :
Welcome to visit Chengben Machinery ,Looking forward to receiving your enquiry ,I'm glad to provide you the best service ,Pls directly contact Wendy Zhou :
Wendy Zhou 
Sales Manager 
Tel :+86 373 5895178
Mobile:+86 13083813109

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