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Propulsion Train

Assembly

A main diesel engine driving a propeller through a reduction gearbox and shaft, one of a twin-screw pair. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Propulsion Train parts and their functions

7 top-level parts · 78 parts in total · full bill of materials below
Propulsion Train parts diagram: 1 main diesel engine, 2 marine reduction gearbox, 3 propeller shaft, 4 propeller, 5 kort nozzle, 6 stern tube & seal, 7 ball bearing. 78 parts in 7 top-level items.
Propulsion Train parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main Diesel Engine 7 parts 1× Medium-speed marine diesel sized for sustained pushing duty.
2 Marine Reduction Gearbox 5 parts 1×
3 Propeller Shaft 1×
4 Propeller 1× In a nozzle for bollard thrust
5 Kort Nozzle 1× Shrouding duct around the propeller that raises thrust at low speed, ideal for pushing.
6 Stern Tube & Seal 3 parts 1×
7 Ball Bearing 4× Deep-groove radial ball bearing.

3D model

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Build & assembly graph

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Bill of materials for Propulsion Train

7 top-level lines · 29 rows shown · 78 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main Diesel Engine 7 parts pusher-tugboat-main-engine 1× 1 55 assembly
1.1 Engine Block pusher-tugboat-engine-block 1× 1 · part
1.2 Crankshaft pusher-tugboat-crankshaft 1× 1 · part
1.3 Piston & Conrod 4 parts pusher-tugboat-piston-assembly 6× 6 6 assembly
1.3.1 Piston pusher-tugboat-piston 1× 6 · part
1.3.2 Connecting Rod pusher-tugboat-conrod 1× 6 · part
1.3.3 Piston Ring pusher-tugboat-piston-ring 3× 18 · part
1.3.4 Ball Bearing ball-bearing 1× 6 · part
1.4 Cylinder Head pusher-tugboat-cylinder-head 6× 6 · part
1.5 Turbocharger pusher-tugboat-turbocharger 1× 1 · part
1.6 Fuel Injection System 3 parts pusher-tugboat-fuel-injection 1× 1 9 assembly
1.6.1 Injection Pump pusher-tugboat-injection-pump 1× 1 · part
1.6.2 Fuel Injector pusher-tugboat-injector 6× 6 · part
1.6.3 Fuel Filter pusher-tugboat-fuel-filter 2× 2 · part
1.7 Engine Heat Exchanger pusher-tugboat-engine-cooler 1× 1 · part
2 Marine Reduction Gearbox 5 parts pusher-tugboat-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 Reversing Clutch pusher-tugboat-clutch 1× 1 · part
3 Propeller Shaft pusher-tugboat-propeller-shaft 1× 1 · part
4 Propeller pusher-tugboat-propeller 1× 1 · part
5 Kort Nozzle pusher-tugboat-kort-nozzle 1× 1 · part
6 Stern Tube & Seal 3 parts pusher-tugboat-stern-tube 1× 1 6 assembly
6.1 Oil Seal oil-seal 2× 2 · part
6.2 Ball Bearing ball-bearing 2× 2 · part
6.3 O-Ring Set oring-set 2× 2 · part
7 Ball Bearing ball-bearing 4× 4 · part

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Where the propulsion train 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