Undercarriage /Upgrade Crawler Frame/

P&H Style Crawler Frame structure designed Caterpillar / Bucyrus shovels. Engineered to resolve OEM structural frame issues.

  • Improvements include the following:
  • Lower rail upgraded to 6”
  • Inner side plates upgraded to 5”
  • Bushed lower rails
  • Roller pin location lowered
  • Tapered shear ledge
  • Teardrops upgraded to dowel steel spacers