Our Address:
- No. 18 Shanhai Avenue, Changyuan City, Henan Province, China.
Changyuan City, Henan Province, China
+86 13613816589
The Harbor Freight Gantry Crane is a high-performance, mobile lifting system designed for versatile material handling in industrial, commercial, and construction settings. Built by Weihua—China’s leading crane manufacturer with over three decades of expertise—this gantry crane stands out for its combination of mobility, strength, easy installation, and cost-effectiveness, making it a reliable alternative to fixed overhead crane systems.
This gantry crane is an excellent solution for facilities that require flexible and intermittent lifting operations, such as workshops, equipment assembly lines, warehouses, garages, and marine loading zones.
| Item | Specification |
| Product Name | Port Cargo Handling Gantry Crane |
| Crane Type | Rail-mounted gantry crane (RMG) / Rubber-tyred gantry crane (RTG) |
| Rated Lifting Capacity | 20t / 35t / 40.5t / 45t / 50t (under spreader); customized options available |
| Lifting Height | 12 – 21 meters (under spreader or hook) |
| Span (Rail Gauge) | 20 – 35 meters (standard); custom spans up to 50 meters |
| Lifting Mechanism | Winch trolley with hoisting drum and motorized gearbox |
| Hoisting Speed | 12 – 30 m/min (variable frequency drive optional) |
| Trolley Travelling Speed | 40 – 100 m/min |
| Crane Travelling Speed | 40 – 120 m/min (depending on crane size and application) |
| Working Duty | A6 – A8 (heavy-duty, continuous operation) |
| Control Mode | Cabin control / Remote control / Optional automatic container positioning system |
| Power Supply | Cable reel (380–690V, 50/60Hz) / Diesel-electric hybrid (for RTG) |
| Spreader Type | 20ft / 40ft / 45ft telescopic container spreader (ISO standard) |
| Anti-sway System | Optional – rope tension detection, swing angle feedback, automatic correction |
| Braking System | Electromagnetic + hydraulic brakes with fail-safe function |
| Wind Protection | Rail clamps, storm anchors, parking brakes |
| Safety Features | Overload limiter, limit switches, emergency stop, collision sensors, CCTV |
| Ambient Operating Temp | -20°C to +50°C (optional cold weather or tropical configuration) |
| Certifications | ISO, CE, CCS, ABS, BV compliant |
| Customization Options | Gantry width, lifting height, wheelbase, automation, energy recovery system |
| Model | Type | Capacity | Span (m) | Lifting Height (m) | Travel Type | Spreader |
| WH-RMG-40.5T | Rail-Mounted | 40.5 tons | 30 | 18 | Electric Drive | Telescopic 20/40ft |
| WH-RTG-45T | Tyred Mobile | 45 tons | 23.5 | 16.5 | Diesel-Electric | Telescopic 20/40/45ft |
| WH-RMG-50T | Rail-Mounted | 50 tons | 35 | 21 | Electric Drive | Customized Spreaders |
Notes:
1. Span & height can be customized based on customer requirements and site layout.
2. Wheels available in rubber PU, cast steel, or rail-mounted steel for different floor conditions.
3. Control systems include wired pendant, wireless remote, or PLC smart control (optional for larger systems).
4. Optional add-ons include: electric travel motor, rain covers, limit switches, overload sensors, inverter (VFD) control.
1. Robust Steel Structure
Manufactured using high-strength Q235B/Q345B carbon steel or optional alloy steel, the frame ensures excellent load stability and long-term durability.
All main beams and support legs are subjected to automated welding, ultrasonic testing, and anti-corrosion surface treatments.
2. Adjustable Height and Span
Depending on operational needs, the height and span of the gantry crane can be customized or made adjustable using manual screw-type mechanisms or hydraulic cylinders.
This flexibility makes it ideal for facilities with varying ceiling heights or space constraints.
3. Easy Mobility
Fitted with industrial-grade swivel casters (with brake locks), the crane can be moved and positioned effortlessly even under load.
Available with polyurethane (PU) wheels for smooth indoor surfaces or steel wheels for rugged industrial floors.
4. Versatile Lifting Options
Compatible with different lifting mechanisms:
Electric wire rope hoists
Electric chain hoists
Manual chain blocks
These hoists can be operated with pendant controls, remote control systems, or wireless automation, depending on your application.
5. Rapid Assembly & Disassembly
Modular design allows for quick setup without welding, perfect for temporary work sites, construction zones, or mobile workshops.
Breaks down into compact parts for easy storage and transportation.
6. Safety Features
Overload protection system
Limit switches for lifting travel
Anti-slip base plates
Emergency stop buttons on electric models
Optional wind anchors and rail clamps for outdoor or semi-permanent use
The Weihua Harbor Freight Gantry Crane is widely used in:
1. Warehouse and logistics centers for lifting heavy goods and pallets
2. Mechanical workshops for motor/engine lifting and machine assembly
3. Construction sites for handling steel beams, concrete molds, or generators
4. Marine and port operations for moving boats, containers, and equipment
5. Agriculture and mining for servicing machinery and materials transport
6. Automotive repair shops for lifting engines, parts, or vehicles
Weihua gantry cranes comply with international standards such as:
ISO 9001
CE Certification
GB/T24001-ISO14001 Environmental Management
GB/T28001-2001 Occupational Health & Safety
All products are tested under full load and stress conditions prior to delivery.
✅ Affordable yet industrial-grade performance
✅ Ideal for small workshops to large factories
✅ Backed by over 30 years of crane manufacturing experience
✅ Global service & support network
✅ Available with full OEM/ODM customization
With over 30 years of experience in crane manufacturing, Weihua is known for delivering reliable, certified, and user-friendly lifting solutions. Our Harbor Freight Gantry Cranes combine portability with power, making them perfect for operations that require mobility, flexibility, and strength — without compromising on safety or efficiency.
Whether you need a crane for temporary setup or permanent usage, Weihua has a model tailored to your needs.
Whether you’re lifting a 1-ton machine part or transporting heavy equipment in your shop, the Harbor Freight Gantry Crane offers reliable performance, exceptional mobility, and total lifting flexibility.
