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Main Frame

Assembly

Welded steel I-beam mainframe with crossmembers carrying full deck load. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Frame parts and their functions

5 top-level parts · 37 parts in total · full bill of materials below
Main Frame parts diagram: 1 mainrail i-beam, 2 crossmember channel, 3 bolster gusset, 4 sheet metal panel, 5 fastener set. 37 parts in 5 top-level items.
Main Frame parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Mainrail I-Beam 2× Tapered I-beam mainrails, 24 in web depth at center
2 Crossmember Channel 28× Lateral channel crossmembers on 12 in centers
3 Bolster Gusset 4× Outrigger bolster gussets at neck and rear
4 Sheet Metal Panel 2× Steel cover plates over upper coupler region
5 Fastener Set 1× Grade 8 bolts and structural welds

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Main Frame

5 top-level lines · 5 rows shown · 37 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Mainrail I-Beam flatbed-trailer-semi-mainbeam 2× 2 · part
2 Crossmember Channel flatbed-trailer-semi-crossmember 28× 28 · part
3 Bolster Gusset flatbed-trailer-semi-bolster 4× 4 · part
4 Sheet Metal Panel sheet-panel 2× 2 · part
5 Fastener Set fastener-set 1× 1 · part

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Where the main frame is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
bharatforge.com ↗
Pune, IN Forgings & metal parts 500 pcs 6–10 wks
dicastal.com ↗ Qinhuangdao, CN Aluminium castings & wheels 500 pcs 6–10 wks
tataautocomp.com ↗ Pune, IN Auto components 500 pcs 6–10 wks
🇸🇬Beyonics
beyonics.com ↗
Singapore Precision metal & mfg 500 pcs 6–10 wks
sundaram-clayton.com ↗ Chennai, IN Die castings 500 pcs 6–10 wks