Double wishbone independent trailer suspension

A double wishbone independent trailer suspension, comprising:

• a slider frame configured for attachment to a semi-trailer, the slider frame including a longitudinal central beam and upper and lower clevis brackets located on opposite sides of the central beam;
• a pair of upper wishbones each attached to corresponding upper clevis brackets;
• a pair of air springs positioned between the slider frame and each upper wishbone;
• a pair of lower wishbones, each attached to corresponding lower clevis brackets;
• a pair of shock absorbers each extending between the slider frame and a corresponding one of the pair of lower wishbones;
• and
• a pair of spindles, each comprising a weldment including an axle portion attached to an upper spindle clevis and two lower spindle clevises each configured to pivotably connect to the upper and lower wishbones, respectively, with adjustable rod ends.