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Discussion History

Bucket linkage

Assembly

Four-bar power linkage that multiplies bucket cylinder force into bucket curl, built from one H-link and two I-links on pinned joints. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bucket linkage parts and their functions

6 top-level parts · 18 parts in total · full bill of materials below
Bucket linkage parts diagram: 1 h-link, 2 i-link, 3 linkage pin, 4 linkage bushing, 5 linkage thrust washer, 6 fastener set. 18 parts in 6 assemblies.
Bucket linkage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 H-link 1× H-link (idler link)
2 I-link 2× I-links (side links)
3 Linkage pin 4× Linkage pins
4 Linkage bushing 6× Linkage bushings
5 Linkage thrust washer 4× Thrust shim washers
6 Fastener Set 1× Retainer bolt kit

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

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Bill of materials for Bucket linkage

6 top-level lines · 6 rows shown · 18 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 H-link eb-h-link 1× 1 · part
2 I-link eb-i-link 2× 2 · part
3 Linkage pin eb-linkage-pin 4× 4 · part
4 Linkage bushing eb-linkage-bushing 6× 6 · part
5 Linkage thrust washer eb-linkage-thrust-washer 4× 4 · part
6 Fastener Set fastener-set 1× 1 · part

Where the bucket linkage is used

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

Used in 1 assembly

Excavator Boom

Sourcing: possible vendors

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–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks