Propulsion System

Assembly

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Twin high-speed marine diesels driving waterjets or fixed-pitch propellers for speeds above 35 knots.

Direct parts	8
Total parts	61
Used in	1 assembly
Class	Assembly

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Twin high-speed marine diesels driving waterjets or fixed-pitch propellers for speeds above 35 knots. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Propulsion System parts and their functions

8 top-level parts · 61 parts in total · full bill of materials below

Propulsion System parts diagram: 1 main diesel engine, 2 marine gearbox, 3 waterjet unit, 4 propeller, 5 shaft line, 6 engine mounts, 7 cooling system, 8 wet exhaust. 61 parts in 8 top-level items. — Propulsion System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Main Diesel Engine	2×	High-speed marine diesel engine
2	Marine Gearbox 4 parts	2×	Reduction and reverse gearbox
3	Waterjet Unit 5 parts	2×	Axial-flow waterjet unit
4	Propeller	2×	Fixed-pitch propeller (shaft-drive variant)
5	Shaft Line 4 parts	2×	Propeller shaft, bearings, and seal
6	Engine Mounts	4×	Flexible engine isolation mounts
7	Cooling System 4 parts	1×	Raw-water and keel cooling circuit
8	Wet Exhaust	2×	Wet exhaust riser and waterlock

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Build & assembly graph

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Bill of materials for Propulsion System

8 top-level lines · 25 rows shown · 61 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Main Diesel Engine	patrol-boat-main-engine	2×	2	·	part
2	Marine Gearbox 4 parts	patrol-boat-marine-gearbox	2×	2	9	assembly
2.1	Helical Gear Pair	gear-pair	1×	2	·	part
2.2	Gearbox Housing	gearbox-housing	1×	2	·	part
2.3	Oil Seal	oil-seal	3×	6	·	part
2.4	Ball Bearing	ball-bearing	4×	8	·	part
3	Waterjet Unit 5 parts	patrol-boat-waterjet	2×	2	7	assembly
3.1	Jet Impeller	patrol-boat-jet-impeller	1×	2	·	part
3.2	Steering Nozzle	patrol-boat-jet-nozzle	1×	2	·	part
3.3	Jet Intake Duct	patrol-boat-jet-intake	1×	2	·	part
3.4	Oil Seal	oil-seal	2×	4	·	part
3.5	Ball Bearing	ball-bearing	2×	4	·	part
4	Propeller	patrol-boat-propeller	2×	2	·	part
5	Shaft Line 4 parts	patrol-boat-shaft-line	2×	2	6	assembly
5.1	Propeller Shaft	patrol-boat-prop-shaft	1×	2	·	part
5.2	Stern Tube and Strut	patrol-boat-stern-tube	1×	2	·	part
5.3	Oil Seal	oil-seal	2×	4	·	part
5.4	Ball Bearing	ball-bearing	2×	4	·	part
6	Engine Mounts	patrol-boat-engine-mounts	4×	4	·	part
7	Cooling System 4 parts	patrol-boat-cooling	1×	1	7	assembly
7.1	Seawater Pump	patrol-boat-seawater-pump	2×	2	·	part
7.2	Heat Exchanger	patrol-boat-heat-exchanger	2×	2	·	part
7.3	Sea Strainer	patrol-boat-sea-strainer	2×	2	·	part
7.4	O-Ring Set	oring-set	1×	1	·	part
8	Wet Exhaust	patrol-boat-exhaust	2×	2	·	part

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Where the propulsion system is used

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

Defense & Security 1 Patrol Boat

Used in 1 assembly

Patrol Boat

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

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics 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