Contact Platform Support
Help CenterWholesale Trolley Jack From Factory 4-Ton for Steel Structure Erection and Heavy Equipment Positioning
Product Spotlights
Related Products
-
Direct Factory Wholesale Trolley Jack 8-Ton With 80 kN Rated Load and Manual Hydraulic Pump SystemNegotiableMOQ: 50 Pieces -
Workshop Hydraulic Floor Jack for SUV and Truck Brake Repair, 3 Ton Durable Steel Frame With Rubber SaddleNegotiableMOQ: 50 Pieces
-
3 Ton Hydraulic Floor Jack for SUV With Heavy-Duty Steel Frame and Dual Pump Quick Lift SystemNegotiableMOQ: 50 Pieces
-
Reliable Hydraulic Floor Jack Built With Extended Lift Range For SUV And Crossover Vehicle ServicingNegotiableMOQ: 50 Pieces
-
2.5 Ton Hydraulic Floor Jack for SUV With Reinforced Steel Construction, Swivel Casters, and Safety Overload ValveNegotiableMOQ: 50 Pieces
As a professional manufacturer rooted in Jiaxing, Zhejiang, China, Jiaxing Weiying Industry And Trade Co., Ltd. has been supplying industrial lifting equipment since 2004. The 4-ton trolley jack shown in this offer is specifically designed for steel structure erection and heavy equipment positioning. It combines a mobile floor jack layout with a powerful 4-ton hydraulic lifting system, helping workers raise, move, and align heavy structural components with more control than traditional pry bars or fixed lifting devices. This unit is an attractive stock item for wholesalers who need a practical, factory-direct lifting solution.
Unlike a simple bottle jack, a trolley jack uses a wheeled frame and a lifting arm, so the operator can shift the load laterally after it has been raised. This makes it especially useful for positioning steel columns, beams, base plates, and machine foundations. The 4-ton capacity covers many common steel structure components and equipment bases, while the hydraulic mechanism allows gradual lifting and lowering for safe alignment work. In production and maintenance environments, this same trolley jack can be used to support heavy machinery, adjust equipment feet, and move loads short distances across smooth floors.
Key Features
- 4-ton rated capacity: Provides enough lifting force for many steel structure members and heavy equipment components, with a practical size for daily jobsite operation.
- Reinforced steel frame: The body, lifting arm, and axle supports are built from heavy-duty steel to withstand repeated heavy loading.
- Hydraulic lifting action: The pump mechanism raises the load smoothly, and the release valve gives the operator control during lowering.
- Mobile trolley design: Equipped with strong front wheels and rear casters, the jack can be maneuvered into position and moved with the load after lifting.
- Low-profile entry: A compact frame helps the saddle slide under the base edge of steel columns, machinery plates, and skids.
- Easy pump handle operation: The handle is arranged for comfortable pumping and load control during precision positioning.
- Simple maintenance: With only a few moving parts, routine care mainly involves checking the hydraulic oil level and keeping the ram and wheels clean.
- Customizable options: Color, marking, handle type, and other accessories can be adjusted according to buyer requirements.
Technical Specifications
| Parameter | Details |
|---|---|
| Rated capacity | 4 tons |
| Type | Trolley jack / hydraulic floor jack |
| Construction | Heavy-duty steel frame |
| Operation | Manual hydraulic hand pump |
| Primary application | Steel structure erection, heavy equipment positioning |
| Customization | OEM/ODM, painting, marking and accessories available upon request |
| Shipping ports | Shanghai, Ningbo, Guangzhou, Qingdao |
| Origin | Jiaxing, Zhejiang, China |
Advantages for Steel Structure Erection
In steel structure erection, the ability to make fine positional adjustments is critical. A beam or column often needs to be lifted a few centimeters and then moved sideways to align bolt holes or weld seams. This trolley jack works well for that task because it can raise the member and then roll it across the floor once the load is off the ground. The controlled lowering system also lets the operator settle the load gently onto shims, leveling plates, or permanent supports.
For heavy equipment positioning, the jack is equally useful. Machine bases, gearboxes, pumps, and other equipment can be lifted from the floor, shifted into alignment, and lowered into position. The 4-ton capacity makes it an ideal helper for installation teams that need a portable but strong tool. It reduces the physical effort required and helps prevent the kind of misalignment that leads to extra work or damaged components. By using a trolley jack, one or two workers can manage loads that would otherwise require additional lifting equipment or a larger crew.
Practical Safety and Efficiency Benefits
- Reduces physical strain: The hydraulic pump does the heavy work, so operators do not need to lift the load manually.
- Saves time: A single worker can lift, move, and position a load that would otherwise require several people and additional tools.
- Improves alignment accuracy: The trolley base allows small lateral corrections after lifting, which is important for precise structural assembly.
- Works well in confined spaces: The compact floor jack footprint is easier to place under steel bases and equipment feet than larger lifting machines.
Like all hydraulic jacks, safe operation depends on correct use. Place the jack on hard, level ground, keep the load centered on the saddle, never exceed the rated 4-ton capacity, and use proper support stands before entering under a load. These practices are common to any lifting tool and should be included in operator training.
Factory and Export Background
As the original manufacturing source, our factory in Jiaxing covers 10,000–30,000 square meters and employs 51–100 people. Annual export value reaches US$1 million to US$1.5 million, which shows our ability to support regular wholesale orders. We ship from Shanghai, Ningbo, Guangzhou and Qingdao, and we currently serve buyers in North America, South America, Eastern Europe, Southeast Asia, the Middle East, and other regions. Our factory operates with documented quality management practices, including ISO9001 and ISO14001 systems, and relevant documents are available upon request.
For wholesale importers and distributors, working with our factory means shorter communication paths and more direct control over product quality, packaging, and delivery schedules. We are accustomed to export packaging requirements, mixed loading, and customized labeling. Whether you are adding a new hydraulic jack to your product line or building a complete steel construction equipment package, this 4-ton trolley jack can be integrated into your next order with clear technical support.
We invite you to contact Jiaxing Weiying Industry And Trade Co., Ltd. for more details on the 4-ton trolley jack. Our team can confirm specifications, answer customization questions, and provide a quotation based on your required quantity and packaging. With years of manufacturing experience and a strong export track record, we are ready to support your next steel structure or heavy equipment project.
Frequently Asked Questions
Q: What is the rated lifting capacity of this trolley jack?
A: The rated capacity is 4 tons. Do not exceed the rated load. For heavier work, select a jack with a higher capacity.
Q: Can this trolley jack be used for steel structure erection?
A: Yes, it is specifically offered for steel structure erection and heavy equipment positioning. The trolley base allows the load to be moved laterally after lifting, which helps align beams, columns, and machine bases.
Q: Is customization available?
A: Customization is available upon request. Buyers can discuss paint finish, silk-screen logo, handle type, and other options with our sales team.
Q: What shipping ports do you use?
A: We can arrange shipment from Shanghai, Ningbo, Guangzhou, and Qingdao.
Q: Do you support wholesale orders?
A: Yes, as a manufacturer we supply wholesale quantities. Please contact us with your target quantity, and we will provide a factory quotation.
Q: What maintenance does a hydraulic trolley jack need?
A: Keep the jack clean, check the hydraulic oil level, release trapped air, and lubricate moving pivot points from time to time. Detailed instructions are supplied with the unit.
Q: What documentation is available for importers?
A: Our factory can provide commercial documentation, packing lists, and relevant management system certificates upon request. This helps importers with customs clearance and quality review.
Send Inquiry to This Supplier
You May Also Like
-
High Capacity Hydraulic Floor Jack For SUV With Reinforced Frame For Safe LiftingNegotiableMOQ: 50 Pieces
-
Heavy Duty Hydraulic Floor Jack Suitable For SUV Garage Repair And Tire ReplacementNegotiableMOQ: 50 Pieces
-
Hydraulic Floor Jack for SUV With 4.8 in Minimum Saddle Height, 19.7 in Max Lift, T-Shaped Oil Tank DesignNegotiableMOQ: 50 Pieces
-
Hydraulic Floor Jack for SUV Tire Rotation and Off-Road Vehicle Maintenance in Auto Repair ShopsNegotiableMOQ: 50 Pieces
-
Anti Slip Saddle Hydraulic Floor Jack Optimized For SUV And Light Off-Road Vehicle Lifting NeedsNegotiableMOQ: 50 Pieces
-
Hydraulic Floor Jack for SUV, 3 Ton Capacity, Double Welded Steel Frame, 360-Degree Swivel Caster WheelsNegotiableMOQ: 50 Pieces
-
3 Ton Long Frame Trolley Jack With Extended Lift for SUV and Light TruckNegotiableMOQ: 50 Sets
-
3 Ton Hydraulic Floor Jack With Reinforced Welded Frame and Dual Piston Pump, 2000kg CapacityNegotiableMOQ: 50 Sets
-
3 Ton Hydraulic Trolley Jack Low Profile Chassis With 2-Stage Pump for Auto Repair ShopsNegotiableMOQ: 50 Sets
-
3 Ton Heavy Duty Hydraulic Trolley Jack With Double Roller Steel Wheels and Rubber Cushion PadNegotiableMOQ: 50 Sets
