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Xinxiang City Chengben Machinery Co., Ltd.

300 Ton Gantry Crane, Mobile Crane, Gantry Crane manufacturer / supplier in China, offering 300 Ton Gantry Crane Mg Type Double Main Girder Crane, Truck Mounted Crane for Sale with Good Chassis, 220 V Jm Electric Winch 5 Ton for Pulling Lifting and so on.

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300 Ton Gantry Crane Mg Type Double Main Girder Crane

FOB Price: US $14,800-208,200 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $14,800-208,200/ Set
Get Latest Price
Port: Qingdao, China
Production Capacity: 3200sets/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: MG
  • Condition: New
  • Maximum Lifting Height: >40m
  • Type: Shipbuilding Gantry Crane
  • Warranty: One Year
  • Overload Protect Device: Included
  • Color: as You Demand
  • Voltage: 380V/400V480V, etc
  • CAD Drawing: Included
  • Trademark: chengben
  • Specification: high strength steel/welding
  • HS Code: 8426193000
  • Certification: RoHS, CE, ISO9001
  • Maximum Lifting Weight: >200t
  • Operation Form: Cabin
  • Main Girder Form: Double Girder
  • Limit Switch: Included
  • Working Duty: A6~A8
  • Crane Feature: Electric Mobile Box Girder Crane
  • Customizd: Included
  • Emergency Stop System: Included
  • Transport Package: Plywood Case or Woven Cloth
  • Origin: China, Henan
Product Description
                       300 ton Gantry Crane MG Type Double Main Girder Crane 

Product  Introduction                                                                                               
1. MG type double girder hook gantry crane for project is applied to highway, bridges, power station and other Construction workshops for general handling and lifting operations.
2. The whole machine adopts truss structure, light weight, small wheel pressure and reliable performance.
3. Wind alarm, break-proof shaft, prevent the various security measures such as tilting is complete.
4. All institutions are indoor controlling, crane electric form is devided into two kinds of cables and sliding contact  line, you can choose any one when you order it.
5. When choosing the crane need to fill in the order specification table, to be marked when using the working environment of low temperature and high temperature, and power supply, etc.

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.
MG Type 10 ton  double girder gantry crane is one kind of minimum duty gantry crane, the working duty is A5! This product is widely used to transport, assemble, as well as load and unload at port, workshop, warehouses, goods yard, outside area, etc. There are two trolleys which can work together or seperate.
Working condition
1. It is prohibited to use the equipment in the combustible, explosive and corrosives environment.
2. The industry voltage is 3Phase AC, 380V, 50 HZ. It can be design by your requirement.
Product detail description
1. Strong beams. The crane beams are of welded construction. This result in lower dead 
weight with a high degree of vertical and horizontal rigidity and smaller wheel loads;
2. Precise electric control system; Siemens and other international brand;
3. Durable performance and High efficiency;
4. Modern cabin control with Air conditioner to separate operators from harsh 
5. Long working life with a low-maintenance.
Safety features
1. Overload protection: If the materials or electric
2. current overstep the capacity, the crane will give a
    sharp warning for protection itself.
3. Emergency brake: If there's emergency situation, it 
    could stop the crane to protect operator and goods.
4. Rubber buffers.
Operation model
Cabin (open and closed)
The travelling motor can be soft start motor and frequency adjustable-speed motor to start steadily and run safely.
Technical Parameter
Lifting CapacityT10/3.216/3.220/532/550/1080/20
SpeedMain Hook Liftingm/min8.
Aux. Hook Lifting
Traveling of Trolley353535353525
Traveling of Crane353535353525
Operational ModelCabin; remote control
Working DutyA5
Power SupplyThree-phase A.C. 380V, 50Hz

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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Miss Sky Zhao
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