1. Structure & Craft
Thick square tube column + widened triangular support base, full welding process without cold solder joint, anti-deformation and anti-fracture under heavy load. External hand-crank gearbox with enlarged module gear, low transmission resistance and durable to avoid gear damage. Sandblasting rust removal + high-temperature plastic spraying ensures strong paint adhesion and outdoor anti-rust performance.
2. Load & Lifting Performance
Matches rated load of 13-ton semi-trailer, stable support without shaking during parking. Multi-stage telescopic column with sufficient lifting stroke for various ground heights. Gear self-locking structure auto locks after lifting to avoid accidental slipping.
3. External Base Design
Oversized widened ground plate reinforced by triangular ribs, prevents sinking on soft soil and gravel road. Pin hole reserved on base for matching anti-slip pad to adapt complex sites.
4. Easy Operation
Side external crank interface with extended anti-slip hand crank, operate standing without bending. Left & right legs controlled separately to level trailer body individually.
5. Matching Compatibility
Perfectly matched with 13T 1840 American trailer axle and TYG1390104-0A leaf spring, one-stop supporting parts for American trailer chassis. Universal replacement for flatbed, fence and container skeleton semi-trailers.
6. Core Advantages
- External gearbox for easy maintenance and gear inspection/replacement
- Thick full-steel welded structure, anti-impact for long service life
- Wide anti-slip base ensures stable parking on complex ground
- Mechanical self-lock guarantees safety against slipping
- Heavy 103kg solid construction, high rigidity for large tonnage freight trailers