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Discussion History

Automatic Transmission

Assembly

6-speed torque-converter automatic. 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

8 top-level parts · 174 parts in total · full bill of materials below
Automatic Transmission parts diagram: 1 torque converter, 2 planetary gearset, 3 valve body, 4 transmission oil pump, 5 gearbox housing, 6 clutch pack, 7 ball bearing, 8 oil seal. 174 parts in 8 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 4 parts 1×
2 Planetary Gearset 4 parts 3× Three planetary stages
3 Valve Body 4 parts 1×
4 Transmission Oil Pump 1×
5 Gearbox Housing 1× Aluminium bell + case
6 Clutch Pack 4×
7 Ball Bearing 6× Deep-groove radial ball bearing.
8 Oil Seal 4× Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Automatic Transmission

8 top-level lines · 24 rows shown · 174 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Torque Converter 4 parts minibus-torque-converter 1× 1 4 assembly
1.1 Converter Impeller minibus-converter-impeller 1× 1 · part
1.2 Converter Turbine minibus-converter-turbine 1× 1 · part
1.3 Converter Stator minibus-stator-wheel 1× 1 · part
1.4 Lockup Clutch minibus-lockup-clutch 1× 1 · part
2 Planetary Gearset 4 parts minibus-planetary-gearset 3× 3 7 assembly
2.1 Sun Gear minibus-sun-gear 1× 3 · part
2.2 Planet Gear minibus-planet-gear 4× 12 · part
2.3 Ring Gear minibus-ring-gear 1× 3 · part
2.4 Planet Carrier minibus-planet-carrier 1× 3 · part
3 Valve Body 4 parts minibus-valve-body 1× 1 133 assembly
3.1 Valve Body Casting minibus-valve-body-casting 1× 1 · part
3.2 Shift Solenoid minibus-solenoid 7× 7 · part
3.3 Pressure Sensor pressure-sensor 1× 1 · part
3.4 Transmission Control Board 4 parts minibus-trans-control-board 1× 1 124 assembly
3.4.1 Bare PCB pcb-bare 1× 1 · part
3.4.2 Microcontroller mcu 1× 1 · part
3.4.3 SMD Passive (R/C/L) smd-passives 120× 120 · part
3.4.4 Connector connector 2× 2 · part
4 Transmission Oil Pump minibus-trans-pump 1× 1 · part
5 Gearbox Housing gearbox-housing 1× 1 · part
6 Clutch Pack minibus-clutch-pack 4× 4 · part
7 Ball Bearing ball-bearing 6× 6 · part
8 Oil Seal oil-seal 4× 4 · part

Where the automatic transmission is used

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

Used 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
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