This device is a
heavy-duty trailer jack
designed to lift, lower, and stabilize a trailer tongue when it is disconnected from a towing vehicle. Based on the label, this specific unit is a
top-wind jack
with a
5,000 lbs (2,260 kg) capacity
.
Technical Specifications
Lifting Capacity:
5,000 lbs (approx. 2,260 kg).
Vertical Travel:
15 inches of lift range, providing significant height adjustment.
Handle Type:
Top-wind design (indicated by the top-mounted crank handle).
Material:
Heavy-duty A3 steel with a black powder coating for corrosion resistance.
Mounting:
Typically designed for
weld-on
or
A-frame
installation depending on the base bracket.
Key Safety Warnings
The manufacturer provides critical safety instructions on the label:
Capacity:
Never exceed the 5,000 lbs weight limit.
Positioning:
Ensure the jack is in a vertical position before applying any load.
Stability:
Use only on hard, level surfaces capable of supporting the trailer's weight.
Securing:
Always use wheel chocks to prevent trailer movement while raising or lowering.
Towing:
Before towing, the jack must be fully raised and secured in its horizontal (stowed) position or removed entirely.
Common Applications
This type of jack is universally used for:
Utility trailers
Boat trailers
RV campers
Horse trailers