farm machine harrow mounted medium disc harrow: 1,working width:1. ... ; 2,working depth:140mm; 3,disc diameter:560(610)mm. farm machine harrow mounted medium disc harrow Products Description:1BJX medium ... , ridger, trencher, stubble cleaner, earth auger, fertilizer distributor, farm trailer, and the other farm machinery. [2] Our company has passed ISO9001.2000quality system ...