Stand-down side-crank heavy-duty trailer jack | Chenwei Trailer Jack Factory 12,000 lbs

In the fields of agricultural trailers, construction machinery, heavy equipment, and livestock transportation, stable, safe, and durable trailer support systems have always been a core focus of the industry.

Chenwei Trailer Jack Factory's 12,000-pound Square Landing Gear Jack, with its high-strength structural design, flexible configuration options, and reliable performance, has become an ideal choice for heavy-duty trailer applications.

Industry-Made Heavy-Duty Structural Design

Since the widespread adoption of heavy-duty square trailer jacks, the 4-inch square tube landing structure has become an important support solution in the fields of agricultural, construction, engineering equipment, and livestock transportation trailers.

Chenwei 12,000 lb Heavy-Duty Trailer Jack features:

4-inch square outer tube structure

Q235B high-quality carbon structural steel

Built-in spring return mechanism

High structural strength and excellent weldability

Suitable for long-term, high-frequency use

Designed for welded installation, ensuring overall stability and reliability

Multiple footing and operating methods available

To meet different trailer structures and usage habits, Chenwei trailer jack factory offers diverse configuration options:

Footing Methods

Spring Return Drop Leg

Spring-less Drop Leg (optional)

Operating Methods

Side Wind

Top Wind

The side wind + spring return structure offers easier operation and higher safety in practical applications, making it suitable for heavy-duty trailer scenarios.

Key Performance Parameters (12,000 lb Square Trailer Jack)

Static Load Capacity: 12,000 lbs

Lifting Capacity: 10,000 lbs

Screw Travel: 12.5 inches

Extra Adjustable Leg Travel: 13.5 inches

Retracted Stand Height: 27.4 inches

Extended Stand Height: 53.5 inches

Gear Ratio (Side-Roller): 1:1.5

All 4-inch square trailer jack models maintain a 12,000 lb load capacity / 10,000 lb lifting capacity across various configurations, ensuring consistent performance.

Maintenance-friendly, suitable for long-term use

Heavy-duty gearbox structure for easy inspection and replacement

Equipped with a grease fitting for convenient daily maintenance

Removable outriggers with 5 positioning holes

Pull pin located on the side (same as the handle) for easier operation

Surface treatment and customization capabilities

To meet the needs of different national markets and brands, Chenwei supports various surface treatment and customization solutions:

Surface treatment methods

Painting (with or without customer label)

Gray powder coating

Customization services

OEM/ODM customization supported

Customizable stroke, structure, and appearance

Certifications and quality assurance

CE certification

ISO9001 quality management system certification

Strict control over raw materials, production, and factory testing processes

Five-year limited warranty provided

Suitable for European, North American, and international markets

Application areas

This 12,000 lb foot-mounted side-crank heavy-duty trailer jack is widely used in:

Agricultural trailers

Engineering and construction equipment

Heavy tool trailers

Horses/ Livestock Transport Trailers

Industrial-Grade Trailer Support Systems

About Chenwei Trailer Jack Factory

Chenwei Machinery Manufacturing Co., Ltd. specializes in the design and production of trailer jacks, trailer support systems, and heavy-duty trailer accessories, boasting over ten years of industry experience. Our products are exported to markets in Europe and the United States, and we support customized production, earning the trust of customers worldwide.