Steel Underframe
AssemblyRiveted/welded steel center-sill underframe carrying body and draft loads to the trucks, with bolsters, draft sills, and end platforms. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Steel Underframe
6 top-level lines as of r21199| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Center Sill | caboose-center-sill | 1× | 1 | · | part |
| 2 | Body Bolster | caboose-body-bolster | 2× | 2 | · | part |
| 3 | Draft Sill & Pocket | caboose-draft-sill | 2× | 2 | · | part |
| 4 | End Platform | caboose-platform | 2× | 2 | · | part |
| 5 | Grab Iron | caboose-grab-iron | 8× | 8 | · | part |
| 6 | Fastener Set | fastener-set | 2× | 2 | · | part |