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 Box-on-Box, Slingshot and Swing-lift Type Substructures (API 4F)

We supply box-on-box, slingshot and swing-lift type substructures (API 4F) with load capacity 500,000, 750,000, 1,000,000 and 1,500,000 lbs. Slingshot and swing-lift are self-elevating substructures. Slingshot is one of the most popular substructures in the industry.

Box-on-Box Substructure
Box-on-Box Substructure

Slingshot Substructure
Slingshot Substructure

Swing-lift Substructure
Swing-lift Substructure
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