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Propulsion Line

Assembly

One of two marine diesel drive lines turning a fixed-pitch propeller through a shaft. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Propulsion Line parts and their functions

9 top-level parts · 77 parts in total · full bill of materials below
Propulsion Line parts diagram: 1 marine diesel engine, 2 marine reduction gearbox, 3 propeller shaft, 4 stern tube, 5 propeller, 6 shaft line bearing, 7 engine cooling system, 8 exhaust system, 9 fuel system. 77 parts in 9 top-level items.
Propulsion Line parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Marine Diesel Engine 8 parts 1× Turbocharged diesel providing main propulsion power.
2 Marine Reduction Gearbox 5 parts 1× Reduction + reverse
3 Propeller Shaft 1× Steel shaft carrying torque from the gearbox to the propeller.
4 Stern Tube 3 parts 1× Watertight tube and bearing where the shaft passes through the hull.
5 Propeller 1× Fixed-pitch bronze propeller generating thrust.
6 Shaft Line Bearing 2× Plummer-block bearing supporting the shaft inside the hull.
7 Engine Cooling System 4 parts 1× Raw-water and freshwater loops keeping the engine in range.
8 Exhaust System 3 parts 1× Water-cooled exhaust routing gas overboard.
9 Fuel System 4 parts 1× Tanks, filters, and pumps feeding the engine.

3D model

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Build & assembly graph

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Bill of materials for Propulsion Line

9 top-level lines · 43 rows shown · 77 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Marine Diesel Engine 8 parts landing-craft-diesel-engine 1× 1 38 assembly
1.1 Engine Block landing-craft-engine-block 1× 1 · part
1.2 Crankshaft landing-craft-crankshaft 1× 1 · part
1.3 Piston Assembly 3 parts landing-craft-piston-assembly 6× 6 3 assembly
1.3.1 Piston landing-craft-piston 1× 6 · part
1.3.2 Piston Ring Set landing-craft-piston-ring-set 1× 6 · part
1.3.3 Connecting Rod landing-craft-connecting-rod 1× 6 · part
1.4 Cylinder Head landing-craft-cylinder-head 1× 1 · part
1.5 Turbocharger 4 parts landing-craft-turbocharger 1× 1 6 assembly
1.5.1 Turbine Wheel landing-craft-turbine-wheel 1× 1 · part
1.5.2 Compressor Wheel landing-craft-compressor-wheel 1× 1 · part
1.5.3 Ball Bearing ball-bearing 2× 2 · part
1.5.4 Oil Seal oil-seal 2× 2 · part
1.6 Fuel Injector landing-craft-fuel-injector 6× 6 · part
1.7 Oil Seal oil-seal 4× 4 · part
1.8 Fastener Set fastener-set 1× 1 · part
2 Marine Reduction Gearbox 5 parts landing-craft-marine-gearbox 1× 1 10 assembly
2.1 Helical Gear Pair gear-pair 2× 2 · part
2.2 Gearbox Housing gearbox-housing 1× 1 · part
2.3 Ball Bearing ball-bearing 4× 4 · part
2.4 Oil Seal oil-seal 2× 2 · part
2.5 Gearbox Clutch Pack landing-craft-clutch-pack 1× 1 · part
3 Propeller Shaft landing-craft-propeller-shaft 1× 1 · part
4 Stern Tube 3 parts landing-craft-stern-tube 1× 1 5 assembly
4.1 Stern Tube Bearing landing-craft-stern-tube-bearing 2× 2 · part
4.2 Oil Seal oil-seal 2× 2 · part
4.3 O-Ring Set oring-set 1× 1 · part
5 Propeller landing-craft-propeller 1× 1 · part
6 Shaft Line Bearing landing-craft-shaft-bearing 2× 2 · part
7 Engine Cooling System 4 parts landing-craft-engine-cooling 1× 1 9 assembly
7.1 Seawater Pump landing-craft-seawater-pump 1× 1 · part
7.2 Heat Exchanger landing-craft-heat-exchanger 1× 1 · part
7.3 Sea Strainer landing-craft-sea-strainer 1× 1 · part
7.4 Coolant Hose landing-craft-coolant-hose 6× 6 · part
8 Exhaust System 3 parts landing-craft-exhaust-system 1× 1 3 assembly
8.1 Exhaust Manifold landing-craft-exhaust-manifold 1× 1 · part
8.2 Water Injection Elbow landing-craft-water-injection-elbow 1× 1 · part
8.3 Exhaust Silencer landing-craft-exhaust-silencer 1× 1 · part
9 Fuel System 4 parts landing-craft-fuel-system 1× 1 8 assembly
9.1 Fuel Tank landing-craft-fuel-tank 1× 1 · part
9.2 Fuel Filter / Separator landing-craft-fuel-filter 2× 2 · part
9.3 Fuel Transfer Pump landing-craft-fuel-pump 1× 1 · part
9.4 Fuel Line landing-craft-fuel-line 4× 4 · part

Where the propulsion line 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