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Help CenterHeavy Duty Hydraulic Trolley Jack 15 Ton With Overload Protection Safety Valve
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Jiaxing Weiying Industry And Trade Co., Ltd. has served heavy lifting and automotive maintenance industries since 2004 as a dedicated manufacturer. Our 15-ton hydraulic trolley jack is designed for demanding workshops, mining operations, and industrial facilities where safety and reliability are non-negotiable. Built with a robust frame and precision hydraulic system, this jack delivers stable, controlled lifting even under the toughest conditions. Its integrated overload protection safety valve prevents over-pressurization, protecting both the operator and the equipment.
This heavy-duty trolley jack combines 15-ton lifting capacity with a low-profile chassis and smooth rolling wheels, allowing easy positioning under large trucks, tractors, and industrial machinery. Whether you are lifting a loaded trailer, a construction vehicle, or heavy plant equipment, the rigid steel construction ensures exceptional stability and long service life. The hydraulic unit is sealed and tested to provide consistent performance in extreme environments.
Key Features & Benefits
- Overload Protection Safety Valve: Automatically limits pressure to prevent dangerous overloading, protecting the hydraulic system and user.
- 15-Ton Heavy-Duty Capacity: Suitable for trucks, trailers, agricultural machinery, and industrial equipment.
- All-Welded Steel Frame: Provides maximum rigidity and durability under repeated heavy loads.
- Precision Hydraulic Pump: Allows smooth lifting with minimal effort and accurate load control.
- Extra-Large Saddle: Distributes weight evenly and reduces surface pressure on the lifted object.
- Heat-Treated Lifting Arm: Enhances wear resistance and extends service life.
- Swivel Front Casters & Rear Wheels: Ensures excellent maneuverability in tight workshop spaces.
- Lowered Height Design: Enables easy insertion under low-clearance machinery.
- Dust-Sealed Hydraulic Unit: Keeps contaminants out, reducing maintenance frequency.
- Anti-Slip Handle Grip: Improves operator comfort and control during lifting and lowering.
Technical Specifications
| Parameter | Value / Description |
|---|---|
| Rated Capacity | 15 tons (33,000 lbs) |
| Type | Hydraulic trolley jack / floor jack |
| Minimum Height | Low-profile chassis, typically around 190–230 mm (customizable) |
| Maximum Height | Approx. 450–500 mm (dependent on configuration) |
| Hydraulic Oil | High-grade hydraulic oil, sealed system |
| Frame Material | High-strength structural steel |
| Safety Valve | Built-in overload protection |
| Wheels | Front swivel casters, rear heavy-duty rollers |
| Handle | Continuous steel handle with rubber grip |
| Surface Treatment | Anti-corrosion powder coating |
Why Choose This 15-Ton Trolley Jack?
The key differentiator of this jack is its overload protection safety valve. In traditional hydraulic jacks, excessive load can cause seal failure, sudden pressure drop, or even structural damage. Our integrated valve solves this problem by automatically venting excess pressure, ensuring the jack operates within its safe range at all times. This protects your investment and, more importantly, prevents workplace accidents.
The jack is also engineered for ease of use. The dual-pump mechanism quickly lifts the saddle to contact the load, then switches to precision lifting for controlled positioning. The long, ergonomic handle reduces the physical force required, while the smooth-rolling casters allow one person to move and position the jack effortlessly. Lowering is gradual and controlled via a reactive release valve, preventing sudden drops.
Versatility is another advantage. It is widely used in:
- Truck and trailer maintenance
- Construction equipment servicing
- Mining and agriculture machinery repair
- Industrial plant maintenance
- Railway and heavy transport applications
Quality and Manufacturer Support
Jiaxing Weiying Industry And Trade Co., Ltd. is a manufacturer with a production facility of 10,000–30,000 square meters and a dedicated team of 51–100 employees. Since 2004, we have built a reputation for producing heavy-lift equipment that meets international expectations. Our quality management system is aligned with ISO9001 standards, and we have a rigorous testing procedure for every jack, including pressure testing and leak testing before shipment.
Our export value of US$1 Million–US$1.5 Million and shipments through major ports such as Shanghai, Ningbo, Guangzhou, and Qingdao demonstrate our ability to serve global buyers efficiently. We serve markets across North America, South America, Europe, Southeast Asia, the Middle East, and Asia, providing reliable logistics and responsive communication.
As a factory, we offer customization options including handle lengths, paint colors, and packaging solutions. We also support OEM/ODM projects, and private labeling is available upon request. Whether you need a single unit for a workshop or a container load for distribution, our team is ready to support you with competitive pricing and dependable quality.
Frequently Asked Questions
-
Can this jack lift a fully loaded truck?
Yes. With a 15-ton rated capacity, it can lift most heavy trucks and trailers when used on a level, hard surface. Always ensure the load does not exceed the rated capacity. -
What is the minimum height of the jack?
The standard model has a low enough profile to fit under most vehicles, typically around 190–230 mm. We can adjust this for your specific needs. -
How does the overload protection work?
The safety valve is pre-set to relieve pressure beyond the safe limit. If you attempt to lift a load greater than 15 tons, the valve releases hydraulic pressure and prevents the jack from overloading. -
Does it come with hydraulic oil?
Yes, the hydraulic system is filled and sealed with high-grade oil at the factory, ready for immediate use. -
Is this jack suitable for industrial daily use?
Absolutely. The heavy-duty steel frame, high-strength hydraulic cylinder, and protective coating are designed for intensive industrial environments. -
Can I get a customized color or branding?
Yes, we offer powder coating in different colors and can apply your logo or brand markings. Minimum order quantities may apply. -
What maintenance does the jack require?
Regularly keep the hydraulic piston clean, check oil levels, and lubricate wheels and hinges. Avoid prolonged exposure to rain or corrosive elements. -
What is the warranty period?
We provide a standard warranty for manufacturing defects. Extended warranty terms are available upon request.
Contact us today for a quotation or more technical details. With our decades of manufacturing experience, strict quality control, and commitment to customer satisfaction, we are confident this 15-ton hydraulic trolley jack will be a valuable addition to your equipment fleet. Ask our engineers for application-specific advice—we are here to help you lift safely and efficiently.
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