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30,441,950 parts mapped · 192,925 items

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Discussion History

Boom cylinder

Assembly

Double-acting hydraulic cylinder, roughly 140 mm bore and 1.4 m stroke, that raises and lowers the boom against the chassis. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Boom cylinder parts and their functions

9 top-level parts · 18 parts in total · full bill of materials below
Boom cylinder parts diagram: 1 boom cylinder tube, 2 boom cylinder rod, 3 boom cylinder piston, 4 boom cylinder gland, 5 boom cylinder seal kit, 6 boom cylinder pin, 7 boom cylinder bushing, 8 cylinder port block, 9 o-ring set. 18 parts in 9 assemblies.
Boom cylinder parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Boom cylinder tube 1× Honed cylinder tube
2 Boom cylinder rod 1× Chrome-plated piston rod
3 Boom cylinder piston 1× Piston head
4 Boom cylinder gland 3 parts 1× Rod gland (head)
5 Boom cylinder seal kit 4 parts 1× Piston and rod seal kit
6 Boom cylinder pin 2× Mounting pins
7 Boom cylinder bushing 2× Eye bushings
8 Cylinder port block 2× Service port blocks
9 O-Ring Set 1× Static O-rings

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 Boom cylinder

9 top-level lines · 16 rows shown · 18 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Boom cylinder tube eb-boom-cyl-tube 1× 1 · part
2 Boom cylinder rod eb-boom-cyl-rod 1× 1 · part
3 Boom cylinder piston eb-boom-cyl-piston 1× 1 · part
4 Boom cylinder gland 3 parts eb-boom-cyl-gland 1× 1 3 assembly
4.1 Cylinder rod wiper eb-cyl-rod-wiper 1× 1 · part
4.2 Cylinder rod bearing eb-cyl-rod-bearing 1× 1 · part
4.3 Oil Seal oil-seal 1× 1 · part
5 Boom cylinder seal kit 4 parts eb-boom-cyl-seal-kit 1× 1 5 assembly
5.1 Piston seal eb-piston-seal 1× 1 · part
5.2 Cylinder wear ring eb-cyl-wear-ring 2× 2 · part
5.3 O-Ring Set oring-set 1× 1 · part
5.4 Oil Seal oil-seal 1× 1 · part
6 Boom cylinder pin eb-boom-cyl-pin 2× 2 · part
7 Boom cylinder bushing eb-boom-cyl-bushing 2× 2 · part
8 Cylinder port block eb-cyl-port-block 2× 2 · part
9 O-Ring Set oring-set 1× 1 · part

Where the boom cylinder 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