73' Centerbeam Flat Car
Prototype Information
Railcar builders introduced the 73-foot center partition car in the 1970s to move bundled lumber, wallboard, and other building products efficiently. The car’s central steel bulkhead divided the load into two sections, keeping it stable during transit and eliminating the need for labor-intensive hand bracing. Its length allowed shippers to fit more product per car while staying within standard clearance limits. Early designs used fixed bulkheads, while later versions incorporated lighter materials and improved tie-down systems. These cars became a mainstay of North American lumber service, and modern versions continue to roll out from builders like Gunderson, Thrall, and National Steel Car.
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Atlas HO 73′ Centerbeam BNSF “Heritage 1”
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Atlas HO 73′ Centerbeam Canadian Pacific “SOO”
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Atlas HO 73′ Centerbeam First Union “Blue, NDYX”
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Atlas HO 73′ Centerbeam Iowa Nothern “IANR”
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Atlas HO 73′ Centerbeam Norfolk Southern
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Atlas HO 73′ Centerbeam Trailer Train “Patched with Red Logo”
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Atlas HO 73′ Centerbeam Trailer Train “Speed Logo, Conzicuity Stripes”
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Atlas HO 73′ Centerbeam Union Pacific “Brown”
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Atlas HO 73′ Centerbeam Willamette & Pacific “WPRR”
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