Heavy duty spreaders are available in a variety of fixed lengths, or alternatively adjustable length spreaders may be used to achieve a range of excavation widths.
* spreader weights exclude weights of pins and keepers
FIXED LENGTH SPREADERS
* Length of Extension Spreader (Lv) must be at least 16” less than combined length of SN spreaders
* Adjustable struts not recommended for lengths over 156”
* Shield pressure capacity should be reduced by 20% when using adjustable spreaders