Drivetrain

Assembly

Lag screws aka lag bolts 002.png · Commons ↗ Report photo

Gearbox, shaft, sterngear and propeller.

Direct parts	6
Total parts	13
Used in	1 assembly
Class	Assembly

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Gearbox, shaft, sterngear and propeller. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Drivetrain parts and their functions

6 top-level parts · 13 parts in total · full bill of materials below

Drivetrain parts diagram: 1 marine gearbox, 2 propeller shaft, 3 stern tube, 4 stern gland, 5 bronze propeller, 6 shaft coupling. 13 parts in 6 top-level items. — Drivetrain 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	Marine Gearbox 4 parts	1×	Mechanical ahead/astern reduction gearbox.
2	Propeller Shaft	1×	Stainless propeller shaft.
3	Stern Tube	1×	Shaft tube through the hull.
4	Stern Gland	1×	Packed or lip-seal shaft gland.
5	Bronze Propeller	1×	Three-blade bronze prop.
6	Shaft Coupling	1×	Flexible engine-to-shaft coupling.

3D model

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Build & assembly graph

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Bill of materials for Drivetrain

6 top-level lines · 10 rows shown · 13 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Marine Gearbox 4 parts	narrowboat-gearbox	1×	1	8	assembly
1.1	Helical Gear Pair	gear-pair	2×	2	·	part
1.2	Gearbox Housing	gearbox-housing	1×	1	·	part
1.3	Ball Bearing	ball-bearing	3×	3	·	part
1.4	Oil Seal	oil-seal	2×	2	·	part
2	Propeller Shaft	narrowboat-prop-shaft	1×	1	·	part
3	Stern Tube	narrowboat-stern-tube	1×	1	·	part
4	Stern Gland	narrowboat-stern-gland	1×	1	·	part
5	Bronze Propeller	narrowboat-propeller	1×	1	·	part
6	Shaft Coupling	narrowboat-coupling	1×	1	·	part

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Where the drivetrain is used

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

Marine 1 Canal Narrowboat

Used in 1 assembly

Canal Narrowboat

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 $0.01–$2. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sundram Fasteners sundram.com ↗	Chennai, IN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Lakshmi Precision Screws lpsindia.com ↗	Rohtak, IN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Suzhou Escort escort-fastener.com ↗	Suzhou, CN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Shanghai Tianbao tbfastener.com ↗	Shanghai, CN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Sterling Tools sterlingtools.in ↗	Faridabad, IN	Fasteners	10,000 pcs	3–5 wks