Required for posterior migration of cells and axon growth cones during nervous system assembly (By similarity). In PLM neuron, regulates innexin unc-9 gap junction turnover by suppressing unc-9 transport out of the gap junctions (By similarity). Interacts with unc-51 and unc-73. Phosphorylated by unc-51. Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Kinesin family. KIF26 subfamily.