BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Upperstructure and Swing

Assembly

Revolving frame, slew bearing, and swing drive. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Upperstructure and Swing parts and their functions

4 top-level parts · 144 parts in total · full bill of materials below
Upperstructure and Swing parts diagram: 1 revolving frame, 2 slewing ring bearing, 3 swing drive, 4 swing pinion. 144 parts in 4 top-level items.
Upperstructure and Swing parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Revolving Frame 1× Welded turntable frame
2 Slewing Ring Bearing 4 parts 1× Large turntable bearing
3 Swing Drive 5 parts 1× Hydraulic motor and reduction gearbox
4 Swing Pinion 1× Output pinion meshing the slew ring

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

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

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Upperstructure and Swing

4 top-level lines · 17 rows shown · 144 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Revolving Frame long-reach-excavator-revolving-frame 1× 1 · part
2 Slewing Ring Bearing 4 parts long-reach-excavator-slew-bearing 1× 1 124 assembly
2.1 Slew Inner Race long-reach-excavator-slew-inner-race 1× 1 · part
2.2 Slew Outer Race long-reach-excavator-slew-outer-race 1× 1 · part
2.3 Slew Roller long-reach-excavator-slew-roller 120× 120 · part
2.4 Oil Seal oil-seal 2× 2 · part
3 Swing Drive 5 parts long-reach-excavator-swing-drive 1× 1 18 assembly
3.1 Swing Motor long-reach-excavator-swing-motor 1× 1 · part
3.2 Swing Planetary Set 4 parts long-reach-excavator-swing-planetary 1× 1 10 assembly
3.2.1 Sun Gear long-reach-excavator-sun-gear 1× 1 · part
3.2.2 Planet Gear long-reach-excavator-planet-gear 6× 6 · part
3.2.3 Ring Gear long-reach-excavator-ring-gear 1× 1 · part
3.2.4 Planet Carrier long-reach-excavator-carrier 2× 2 · part
3.3 Gearbox Housing gearbox-housing 1× 1 · part
3.4 Ball Bearing ball-bearing 4× 4 · part
3.5 Oil Seal oil-seal 2× 2 · part
4 Swing Pinion long-reach-excavator-swing-pinion 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the upperstructure and swing 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