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Power End

Assembly

Crankcase mechanism that converts rotary input into the reciprocating stroke of the three plungers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power End parts and their functions

7 top-level parts · 15 parts in total · full bill of materials below
Power End parts diagram: 1 crankcase, 2 crankshaft, 3 connecting rod, 4 crosshead, 5 wrist pin, 6 ball bearing, 7 oil seal. 15 parts in 7 top-level items.
Power End parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Crankcase 1× Ductile-iron housing enclosing the crank mechanism and its oil sump.
2 Crankshaft 1× Three throws at 120°
3 Connecting Rod 3× Split-big-end rod with steel-backed babbitt shells linking crank throw to crosshead.
4 Crosshead 3× Sliding guide block that converts rod articulation into pure linear plunger motion, taking all side thrust.
5 Wrist Pin 3× Hardened pin joining connecting rod small end to the crosshead.
6 Ball Bearing 2× Crankshaft main bearings
7 Oil Seal 2× Crankshaft seals

3D model

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Build & assembly graph

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Bill of materials for Power End

7 top-level lines · 7 rows shown · 15 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Crankcase plunger-pump-crankcase 1× 1 · part
2 Crankshaft plunger-pump-crankshaft 1× 1 · part
3 Connecting Rod plunger-pump-connecting-rod 3× 3 · part
4 Crosshead plunger-pump-crosshead 3× 3 · part
5 Wrist Pin plunger-pump-wrist-pin 3× 3 · part
6 Ball Bearing ball-bearing 2× 2 · part
7 Oil Seal oil-seal 2× 2 · part

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Where the power end 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–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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