BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Automatic Transmission

Assembly

A 6- to 8-speed torque-converter automatic with a heavy-duty cooler, geared to favour smooth low-load cruising. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Automatic Transmission parts and their functions

5 top-level parts · 10 parts in total · full bill of materials below
Automatic Transmission parts diagram: 1 torque converter, 2 helical gear pair, 3 valve body, 4 gearbox housing, 5 oil seal. 10 parts in 5 top-level items.
Automatic Transmission parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Torque Converter 1× Torque converter
2 Helical Gear Pair 4× Planetary gearsets
3 Valve Body 1× Hydraulic valve body
4 Gearbox Housing 1× Transmission case
5 Oil Seal 3× Input/output seals

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 Automatic Transmission

5 top-level lines · 5 rows shown · 10 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Torque Converter stretch-limousine-torque-converter 1× 1 · part
2 Helical Gear Pair gear-pair 4× 4 · part
3 Valve Body stretch-limousine-valve-body 1× 1 · part
4 Gearbox Housing gearbox-housing 1× 1 · part
5 Oil Seal oil-seal 3× 3 · part

Something wrong in this list? Report a problem with this BOM.

Where the automatic transmission is used

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

Used in 2 assemblies

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
VendorHQSpecialtyMOQLead time
🇮🇳Sona Comstar
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
🇮🇳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
advancegroup.cn ↗ Hangzhou, CN Gearboxes 1,000 pcs 8–12 wks