Accessory Gearbox

Assembly

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Tower-shaft-driven gearbox spinning the engine pumps, generator and starter.

Direct parts	4
Total parts	35
Used in	1 assembly
Class	Assembly

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Tower-shaft-driven gearbox spinning the engine pumps, generator and starter. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Accessory Gearbox parts and their functions

4 top-level parts · 35 parts in total · full bill of materials below

Accessory Gearbox parts diagram: 1 gearbox gear, 2 ball bearing, 3 o-ring set, 4 tower shaft. 35 parts in 4 top-level items. — Accessory Gearbox 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	Gearbox Gear	14×	Hardened spur or bevel gear in the accessory drive train.
2	Ball Bearing	12×	Deep-groove radial ball bearing.
3	O-Ring Set	8×	Set of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.
4	Tower Shaft	1×	Radial drive shaft taking power off the HP spool to the accessory gearbox.

3D model

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Build & assembly graph

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Bill of materials for Accessory Gearbox

4 top-level lines · 4 rows shown · 35 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Gearbox Gear	wba-engine-gear	14×	14	·	part
2	Ball Bearing	ball-bearing	12×	12	·	part
3	O-Ring Set	oring-set	8×	8	·	part
4	Tower Shaft	wba-engine-tower-shaft	1×	1	·	part

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Where the accessory gearbox is used

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

Aerospace & Drones 1 Wide-Body Airliner

Used in 1 assembly

Large Turbofan Engine

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
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	1,000 pcs	8–12 wks
🇨🇳Zhejiang Shuanghuan shdrive.cn ↗	Yuhuan, CN	Gears & driveline	1,000 pcs	8–12 wks
🇮🇳Bharat Gears 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
🇨🇳Hangzhou Advance advancegroup.cn ↗	Hangzhou, CN	Gearboxes	1,000 pcs	8–12 wks