Manifold Trailers (& Ground Manifolds) Utilizes Many of our Products, Standard & Custom Designs, 6 - 16 Leadoffs, 30 - 53 ft. Length, Fabricated from 3" & 4" 1002 & 1502 Iron, Many Options Available: Lighting / Generator / Electrical over Hydraulic Legs / Crane / Solar Panels / Storage Racking & Baskets.