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Discussion History

Crankshaft

Assembly

Forged steel crankshaft running in plain bearings. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Crankshaft parts and their functions

3 top-level parts · 11 parts in total · full bill of materials below
Crankshaft parts diagram: 1 crankshaft forging, 2 connecting rod, 3 main bearing. 11 parts in 3 top-level items.
Crankshaft parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Crankshaft Forging 1× Nitrided forged crankshaft with counterweights.
2 Connecting Rod 6× Forged rod linking a piston to the crank journal.
3 Main Bearing 4× Steel-backed plain bearing shell carrying a crank journal.

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Crankshaft

3 top-level lines · 3 rows shown · 11 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Crankshaft Forging bush-plane-crank-forging 1× 1 · part
2 Connecting Rod bush-plane-conrod 6× 6 · part
3 Main Bearing bush-plane-main-bearing 4× 4 · part

Where the crankshaft is used

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

Used in 1 assembly

Piston Engine

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 $500–$50k. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Weichai Power
weichai.com ↗ 		Weifang, CN Diesel & power engines 50 units 12–16 wks
🇮🇳Cummins India
cumminsindia.com ↗ 		Pune, IN Diesel engines 50 units 12–16 wks
🇨🇳Yuchai
yuchai.com ↗ 		Yulin, CN Diesel engines 50 units 12–16 wks
🇮🇳Kirloskar Oil Engines
koel.co.in ↗ 		Pune, IN Diesel & gas engines 50 units 12–16 wks
🇮🇳Ashok Leyland
ashokleyland.com ↗ 		Chennai, IN Engines & commercial vehicles 50 units 12–16 wks