Can you provide complete export customs documents?

Yes, we can offer Proforma Invoice, Packing List, Commercial Invoice, and all required documents for customs clearance.

What are your payment terms?

Standard terms are deposit after contract confirmation and balance paid before shipment. Negotiable terms are available for long-term cooperative partners.

Can I purchase grabs, container spreaders, and other attachments together?

Certainly. We supply complete supporting accessories including grabs, spreaders, clamps, and control systems for one-stop procurement.

Industrial 50 Ton Automatic Rail Mounted Gantry Crane for Precast Component Plant with Precise Positioning and High Stacking Capacity

Name: Industrial 50 Ton Automatic Rail Mounted Gantry Crane for Precast Component Plant with Precise Positioning and High Stacking Capacity
Brand: Mairuite (Shandong) Heavy Industrial Machinery Co., Ltd.
SKU: 2189746472

Shandong, ChinaMairuite (Shandong) Heavy Industrial Machinery Co., Ltd.

US$5,800.00-35,300.00

1 Set

Product specifications

Load Capacity

Product profile

Customization

Available

After-sales Service

24/7 Online Support, Overseas Installation & Commi

Warranty

1 Year

Model NO.

Certification

RoHS, CE, ISO9001

Condition

New

Maximum Lifting Weight

20-50t

Maximum Lifting Height

15-20m

Operation Form

Air Operation+Ground Operation

Type

Common Gantry Crane

Main Girder Form

Single & Double Girder

Product Name

Single & Double Girder Gantry Cranes

Capacity

5-300 Ton

Span

10-50 M

Lifting Height

6-40 M

Working Class

A3-A8

Girder Type

Single / Double Girder

Lifting Speed

0.5-15 M/Min (VFD)

Trolley Speed

5-60 M/Min (VFD)

Gantry Travel Speed

10-80 M/Min (VFD)

Power Supply

380/415/440V, 50/60Hz, 3phase

Control Mode

Cabin / Pendant / Remote / PLC

Lifting Attachment

Hook / Magnet / Spreader / Grab

Safety Features

Overload Limiter, Limit Switches, Emergency Stop,

Main Material

Q355b High Strength Steel

Application

Container Terminals, Steel Mills, Shipyards,

Transport Package

Standard Export Packing

Specification

Capacity: 5-300 Ton; Span: 10-50m;

Trademark

MRT

Origin

Shandong, China

HS Code

8426193000

Production Capacity

500 Sets/Year

Key features

5-300 Ton Dual-Purpose Capacity---Covers light industrial 5-ton units to heavy 300-ton shipyard cranes; same platform supports both container and general-purpose lifting

Interchangeable Lifting Attachments---Quick-change between hook, electromagnetic lifter, telescopic container spreader (20/40/45ft), C-hook, and grab bucket -one crane, multiple applications.

Container Stacking 4-6 High---Container configuration stacks 4-6 ISO containers high, spans 6+ container rows + truck lane, ideal for port and intermodal yards.

Box-Type Girder + FEM Design---Q355B high-strength steel, FEM-optimized structure, deflection below L/1000, 20+ year service life under A5-A8 working classes.

VFD + Precision Positioning below 5mm--- Imported frequency converter inverters on all motions; encoder + laser positioning achieves below 5mm repeat accuracy for automated operations.

CE & ISO 9001 + 125% Load Test---Every crane passes 125% rated load test, 100% UT weld inspection, with CE Declaration of Conformity and full documentation.

Automation Ready---PLC + remote monitoring, compatible with magnetic stripe / laser SLAM / GNSS navigation, integrates with WMS/MES/TOS for fully automated yards.

Global Installation & 24/7 Support---Engineers installed in 40+ countries; on-site assembly, commissioning, training; 2-year structural warranty, 48-hour spare parts dispatch.

Single & Double Girder Gantry Cranes---Our gantry cranes come in single-girder (5-50t, light duty) and double-girder (10-500t, heavy duty) configurations, handling steel coils, machinery, mold

Rail-mounted gantry cranes travel on fixed tracks for precise positioning (5mm), with VFD control, wind anchor systems, and capacities up to 300 tons for for steel mills, shipyards.

Company profile

Importers and Exporters

Mairuite (Shandong) Heavy Industrial Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Qingdao Port CertifiedTerms of Payment: T/T, Western Union, PayPal, etc. CertifiedInternational Commercial Terms(Incoterms): EXW, CFR, CIF, FOB

About Our Factory & Business Background

AddressYangliu Town Industrial Park, Xintai City, Tai'an, Shandong, China

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Minimum Order Quantity1 Set

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsFully Autonomous Unmanned Crane, Overhead Crane, Transfer Cart, Gantry Manipulator, Grab, Rubber Tire Gantry Crane, Portal Crane, Automatic Overhead Crane, Automatic Gantry Crane, Container Straddle Carrier

R&D Engineers1 people

Our Industry Experience & Global Business Record

Main MarketsSoutheast Asia/ Mideast

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Product Q&A

Q:Are you a real manufacturer?

We are a professional heavy industry manufacturer with a 120,000 m2 modern production plant, integrated R&D, design, production & sales, and registered capital of 318 million RMB.

Q:Can I customize the equipment according to my working site?

Yes. Overhead & gantry cranes, truss manipulators, and electric transfer carts can be customized based on load capacity, span, stroke, power supply, and site conditions with professional layout solutions.

Q:How do you pack and ship the equipment?

Electrical components use vacuum moisture-proof packaging. Steel structures have anti-rust protection. Fumigation-free wooden cases are optional, and flat rack/open-top container sea freight is arranged for oversize cargo.

Q:What is your warranty policy and after-sales service?

We provide a 12-month warranty for the whole machine (excluding wearing parts) with free replacement parts for quality failures. Remote video technical support is available for overseas customers.

Q:Will you provide installation guidance?

Yes, we supply detailed installation drawings, operation manuals, and tutorial videos, along with online remote technical support available all the time.