Hook up leaf spring provides for a smooth and level ride by absorbing bumps and uneven road surfaces.   Constructed with Heavy Duty Steel for years of trouble free service.  Can easily be used in single, tandem or triple axle trailer configurations.  The "eye" end of this spring mounts to a spring hanger on the trailer, while the "hook" end mounts to either a spring hanger or equalizer bar (tandem and triple axle trailers require an equalizer bar). 

Diffenent leaves of Hook up leaf springs:

Leaf Spring Drawing about North America Leaf Spring:

Capacity 300-4000lbs WONDEE Double Eye Trailer Spring Drawing

WONDEE Capacity 1500-2750lbs Open End Slipper Trailer Spring Drawing

WONDEE Capacity 750-4000lbs Hook End Slipper Trailer Spring Drawing

WONDEE Capacity 300-3000lbs Flat End Slipper Trailer Spring

WONDEE Capacity 230-7500lbs Radius End Slipper Trailer Spring

There is no standard life expectancy for leaf springs. In general, leaf springs 

on smaller lighter weight vehicles tend to last longer then leaf springs on 

be replaced have the springs inspected and the vehicle ride height checked by a 

trained professional. 

WHY replace Leaf springs?

There are several reasons to replace leaf spring:

Worn or sagging springs - Weak springs lower the chassis height of a vehicle, 

Sagging when loaded - Vehicles used for family transportation, RV's, works 

Broken original springs - Certain vehicles have been known to have a very high 

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