CSI 21500-J-5000-BF-Z-R Powerwinch 5000 lb Square Tube Fixed-Mount Trailer Jack Zinc

The Powerwinch 21500-J-5000-BF-Z-R is a heavy-duty square tube trailer jack with a 5,000 lb lift capacity and a fixed bolt-on mount, engineered for demanding marine, boat, and utility trailer applications. Built from durable steel with a corrosion-resistant zinc finish, this jack is designed to hold up against moisture and outdoor exposure season after season.

The fixed bolt-on mounting system installs securely to most standard square tube trailer frames without welding, making installation straightforward and accessible. A flat plate footpad provides a stable base contact surface that distributes load evenly on a variety of ground surfaces including gravel, dirt, and pavement.

Key Features:

• 5,000 lb rated lift capacity for heavy-duty trailer support
• Fixed bolt-on mount — no welding required for installation
• Square tube frame compatibility for pontoon, bowrider, and utility trailers
• Flat plate footpad for stable, wide-area weight distribution
• Zinc-plated finish for corrosion resistance in marine and outdoor environments
• Manual side-wind crank handle for smooth, controlled lifting and lowering
• Durable steel construction for long-lasting strength and reliability

The Powerwinch Utility Series delivers dependable trailer support at an accessible price point, making it an ideal upgrade or replacement jack for boat trailer owners, recreational users, and light commercial applications requiring reliable 5,000 lb capacity.