Crab Synth

I have been looking 4 the crab synth model but i just cant find it i want to try and ragdoll it or make a phys model for it but not even my gfc scape can find it so can someone help

Source Models.gcf/HL2/Models/Mortarsynth.mdl or Synth.mdl

Hasn’t he been ported before as such? If not I am surprised.