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
- Reinforced top rails
- Adjustable and stackable
- Thru-wall lifting lugs
- Four-point lifting system
- Thru-wall collars
- Integral spreader collar post design
- Pinned spreader connections
- Strongest knife edge in the industry
- High strength mill certified steel
OPTIONS
- Pushing blocks
- Pulling lugs
- Foam Filler
- Mud plate
- Corner brackets
- Custom spreader location
- Custom paint
- T-connection cut-outs
- Stacking Pockets
SPREADER OPTIONS
- 8″ schedule 80 (standard)
- 10″ schedule 120 (HDHT8)
- Custom collar sizes available