HDXLD, HDHT6, & HDHT8 – Heavy Duty Trench Boxes from Efficiency Production

Heavy Duty trench boxes are available for Efficiency’s 4, 6, and 8 in. double wall shields. HD boxes offer better depth rating for specific trench shield sizes.

An Efficiency Production HDXLD Heavy Duty 4 in. double sidewall trench box
HDXLD Heavy Duty 4 in. Sidewall Trench Box
An Efficiency Production HDHT6 Heavy Duty 6 in. double sidewall trench box
HDHT6 Heavy Duty 6 in. Sidewall Trench Box
An Efficiency Production HDHT8 heavy-duty 8 inch sidewall trench shield
HDHT8 Heavy Duty 8 in. Sidewall Trench Box

FEATURES

OPTIONS

SPREADER OPTIONS

  • 8″ schedule 80 (standard)
  • 10″ schedule 120 (HDHT8)
  • Custom collar sizes available