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 HDHT6 Heavy Duty 6 in. double sidewall trench box
An Efficiency Production HDHT8 heavy-duty 8 inch sidewall trench shield
FEATURES
Adjustable and stackable
Integral spreader collar post design
Strongest knife edge in the industry
High strength mill certified steel
OPTIONS
Custom paint
SPREADER OPTIONS
8″ schedule 80 (standard)
10″ schedule 120 (HDHT8)
Custom collar sizes available