In the late 1940s, 28-year-old Ed Malzahn applied a combination of knowledge from his father’s blacksmith business and his degree in mechanical engineering to produce a machine that would revolutionize the underground construction industry as we know it today. At the time, Mazlahn was paving the way for compact trenchers that now efficiently install water, sewer and gas lines, telecommunications, CATV and fiber optic cables. Malzahn’s original Ditch Witch Power, the first in a ...

Register For Free or Sign In to Access Entire Article

"The Charles Machine Works Inc. upgrades its campus with geothermal system " is FREE to access as a registered user on Contractormag.com. Why register for Contractormag.com? It's simple and free, and provides:

  • Access to exclusive articles and news coverage
  • The full version of all monthly digital editions dating back to 2010
  • Allows you to comment on articles and discuss news with Contractor's editors
  • Gain valuable media content and more!

Already registered? here.