Two-Stroke Main Engine Assembly
An 11-cylinder two-stroke crosshead diesel (950 mm bore, 3,460 mm stroke) delivering up to ~75 MW at about 80 rpm directly to the propeller shaft; the engine alone runs to about 50,000 parts and 2,000+ tonnes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Build & assembly graph
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Bill of materials
6 top-level lines · 15 rows shown · 49,023 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bedplate | container-ship-bedplate | 1× | 1 | — | part |
| 2 | Crankshaft | container-ship-crankshaft | 1× | 1 | — | part |
| 3 | Crosshead | container-ship-crosshead | 11× | 11 | — | part |
| 4 | Cylinder Assembly 9 parts | container-ship-cylinder-assembly | 11× | 11 | 137 | assembly |
| 4.1 | Piston | container-ship-piston | 1× | 11 | — | part |
| 4.2 | Piston Rod | container-ship-piston-rod | 1× | 11 | — | part |
| 4.3 | Cylinder Liner | container-ship-cyl-liner | 1× | 11 | — | part |
| 4.4 | Cylinder Cover | container-ship-cyl-cover | 1× | 11 | — | part |
| 4.5 | Exhaust Valve | container-ship-exhaust-valve | 1× | 11 | — | part |
| 4.6 | Fuel Injection Valve | container-ship-fuel-injector | 3× | 33 | — | part |
| 4.7 | Piston-Rod Stuffing Box | container-ship-stuffing-box | 1× | 11 | — | part |
| 4.8 | O-Ring Set | oring-set | 8× | 88 | — | part |
| 4.9 | Fastener Set | fastener-set | 120× | 1,320 | — | part |
| 5 | Turbocharger | container-ship-turbocharger | 3× | 3 | — | part |
| 6 | Engine Small Parts | container-ship-engine-smallparts | 47500× | 47,500 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $500–$50k · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| weichai.com ↗ | Weifang, CN | Diesel & power engines | 50 units | 12–16 wks |
| cumminsindia.com ↗ | Pune, IN | Diesel engines | 50 units | 12–16 wks |
| 🇨🇳Yuchai yuchai.com ↗ | Yulin, CN | Diesel engines | 50 units | 12–16 wks |
| koel.co.in ↗ | Pune, IN | Diesel & gas engines | 50 units | 12–16 wks |
| ashokleyland.com ↗ | Chennai, IN | Engines & commercial vehicles | 50 units | 12–16 wks |