Gearbox
AssemblyHypoid bevel gearbox converting vertical to horizontal shaft rotation with forward, neutral and reverse. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Gearbox parts and their functions
8 top-level parts · 9 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Gearbox Case | 1× | Magnesium or aluminium casting containing the gear mesh and oil. |
| 2 | Input Gear | 1× | Pinion at the top receiving the driveshaft torque. |
| 3 | Bevel Gear Set | 1× | Hypoid gears converting vertical shaft to horizontal propeller shaft rotation. |
| 4 | Forward Drive Gear | 1× | Drive gear engaged for forward motion. |
| 5 | Reverse Drive Gear | 1× | Drive gear engaged for astern operation. |
| 6 | Selector Dog | 1× | Sliding coupling engaging forward or reverse drive gear onto the propeller shaft. |
| 7 | Gear Oil Seal | 2× | Double-lip seal preventing saltwater ingress into the gearbox. |
| 8 | Magnetic Drain Plug | 1× | Magnet-tipped plug collecting ferrous wear particles in gear oil. |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Gearbox
8 top-level lines · 8 rows shown · 9 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Gearbox Case | stern-drive-gearbox-case | 1× | 1 | · | part |
| 2 | Input Gear | stern-drive-input-gear | 1× | 1 | · | part |
| 3 | Bevel Gear Set | stern-drive-bevel-gear-set | 1× | 1 | · | part |
| 4 | Forward Drive Gear | stern-drive-forward-drive-gear | 1× | 1 | · | part |
| 5 | Reverse Drive Gear | stern-drive-reverse-drive-gear | 1× | 1 | · | part |
| 6 | Selector Dog | stern-drive-selector-dog | 1× | 1 | · | part |
| 7 | Gear Oil Seal | stern-drive-gear-oil-seal | 2× | 2 | · | part |
| 8 | Magnetic Drain Plug | stern-drive-magnetic-drain-plug | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the gearbox is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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 $1–$300. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 1,000 pcs | 8–12 wks |
| shdrive.cn ↗ | Yuhuan, CN | Gears & driveline | 1,000 pcs | 8–12 wks |
| bharatgears.com ↗ | Mumbai, IN | Automotive gears | 1,000 pcs | 8–12 wks |
|
🇮🇳ZF India
zf.com ↗
|
Pune, IN | Driveline & chassis | 1,000 pcs | 8–12 wks |
| advancegroup.cn ↗ | Hangzhou, CN | Gearboxes | 1,000 pcs | 8–12 wks |