Telescopic Boom

Assembly

Green Printed Circuit Board and Components.JPG · Commons ↗ Report photo

Three-stage telescoping boom with extension chains, lift cylinder, pivot pins, and wear pads.

Direct parts	6
Total parts	34
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Three-stage telescoping boom with extension chains, lift cylinder, pivot pins, and wear pads. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Telescopic Boom parts and their functions

6 top-level parts · 34 parts in total · full bill of materials below

Telescopic Boom parts diagram: 1 boom section, 2 telescope cylinder, 3 extension chain, 4 lift cylinder, 5 boom pivot pin, 6 boom wear pad. 34 parts in 6 top-level items. — Telescopic Boom parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Boom Section	3×	Base/mid/outer
2	Telescope Cylinder 4 parts	1×	Extends/retracts the boom; chains drive the final stage.
3	Extension Chain	2×	Leaf chain for telescope stage.
4	Lift Cylinder 4 parts	2×
5	Boom Pivot Pin	2×
6	Boom Wear Pad	12×	Nylon slide pad between sections.

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 Telescopic Boom

6 top-level lines · 14 rows shown · 34 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Boom Section	telehandler-boom-section	3×	3	·	part
2	Telescope Cylinder 4 parts	telehandler-telescope-cylinder	1×	1	5	assembly
2.1	Cylinder Barrel	telehandler-cylinder-barrel	1×	1	·	part
2.2	Cylinder Piston Rod	telehandler-piston-rod	1×	1	·	part
2.3	Oil Seal	oil-seal	2×	2	·	part
2.4	O-Ring Set	oring-set	1×	1	·	part
3	Extension Chain	telehandler-extension-chain	2×	2	·	part
4	Lift Cylinder 4 parts	telehandler-lift-cylinder	2×	2	5	assembly
4.1	Cylinder Barrel	telehandler-cylinder-barrel	1×	2	·	part
4.2	Cylinder Piston Rod	telehandler-piston-rod	1×	2	·	part
4.3	Oil Seal	oil-seal	2×	4	·	part
4.4	O-Ring Set	oring-set	1×	2	·	part
5	Boom Pivot Pin	telehandler-boom-pivot-pin	2×	2	·	part
6	Boom Wear Pad	telehandler-wear-pad	12×	12	·	part

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

Where the telescopic boom is used

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

Material Handling 1 Telehandler

Used in 1 assembly

Telehandler

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 $1–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳JLCPCB jlcpcb.com ↗	Shenzhen, CN	PCB fabrication	100 pcs	2–4 wks
🇨🇳PCBWay pcbway.com ↗	Shenzhen, CN	PCB fab & assembly	100 pcs	2–4 wks
🇨🇳Shennan Circuits scc.com.cn ↗	Shenzhen, CN	PCB manufacturer	100 pcs	2–4 wks
🇮🇳Shogini Technoarts shogini.com ↗	Mumbai, IN	PCB manufacturer	100 pcs	2–4 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	100 pcs	2–4 wks