UCF UNA-040*(F) Trailer Slipper Spring 1830 lb 4-Leaf 30 Inch Flat End

The UCF UNA-040*(F) is a flat end slipper style leaf spring designed for trailer axle suspension systems. This spring has a capacity of 1830 pounds per spring, making it suitable for utility trailers, boat trailers, and other light to medium-duty trailer applications.

Key Specifications:

• 4-leaf construction for balanced strength and flexibility
• 30 inches long x 1-3/4 inches wide
• Unloaded length: 30 inches
• Center eye to spring bolt: 15 inches
• Spring bolt to spring end: 17.75 inches
• Flat end slipper design for standard trailer mounting
• Painted black finish and includes bushings

This spring cross-references to US-3054, WG-4, LF30004L, and TS754-4, ensuring compatibility with various trailer suspension systems. The slipper spring design provides excellent shock absorption and smooth ride characteristics while maintaining proper axle alignment. Springs are sold individually, but it is recommended to replace them in pairs to maintain balanced suspension performance.

Manufactured by UCF (The Universal Group), a leading supplier of trailer suspension components to the replacement market. UCF warrants its products against defects in workmanship or material for a period of 1 year.