Yeomans L43-11 Plow  -- 3.4mt frame
9 x 26" oyster clamp shank assembly with tungsten sprayed wombat point upgrade.
rear depth control roller   $22300 includes gst 
 frame only at $8000 . 26" complete tyne shanks $790.
 std wheel depth control $2100 or h/duty $3500.
 
 can build to your requirments