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- Articolo 7094425
2002 Robbins Series 90 Single Shield/EPBM Tunnel Boring Machine
Weldon Spring, MO
97.5 in Bore Diameter • (20) Discs • 5000 psi Maximum Hydraulic System Pressure • 1000 Volt • 3 Phase
IronClad Assurance
- Articolo 11249660
1975 Akkerman 480 Horizontal Tunnel Boring Machine
Oakbank, MB, CAN
62 in Boring Auger • Rebuilt Akkerman 480B TBM; 58" base machine size • upskinned to 60" for C Wall 48" RCP and 60" Steel Casing Pipe Jacking. Equipped with Standard Dirt Bar • Adjustable Overcutters. Upgraded Steering System equipped with 3 Independently Actuated Steering Rams • Spherical Mounts. Upgraded to 60GPM Motor Valve • New Hydraulic Plumbing • Flow Controls in 2020. New Heavy Duty Drum Rollers • Inner drum wear rings replaced and upgraded in 2022. Rear TBM Can Structure was completely replaced in 2020 • newer style Conveyor Lift Assembly supplied by Akkerman. Equipped with 4 Hydraulic Dirt Wings (Anti-Roll Stabilizers.)
IronClad Assurance