If it seems like you’re repositioning your fifth wheel after every drop, here’s the perfect solution. The new Fontaine® ASB uses an air cylinder to drive a mechanical linkage that engages and releases the slide locking wedges. This makes fifth wheel repositioning faster and easier than ever before. The ASB also features new design improvements that will extend service life.
  • Features a new composite air cylinder that improves sealing performance and provides superior corrosion resistance for longer service life
  • New Quad-Lock™ four-point locking system increases locking surface area for greater stability and durability
  • The slide increment is 2" for greater slide versatility and improved payload distribution
  • The 3000 top plate features new greaseless bracket liners that fit on the ASB slide to give you consistent lubrication, reduce wear and cut maintenance costs
  • Available in a wide range of mounting heights and travel lengths to meet your hauling needs

Parts catalog