Main Transmission / Gearbox Assembly
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | $85 | 1,000 pcs | 8–12 wks |
| shdrive.cn ↗ | Yuhuan, CN | Gears & driveline | $111 | 1,000 pcs | 8–12 wks |
| bharatgears.com ↗ | Mumbai, IN | Automotive gears | $117 | 1,000 pcs | 8–12 wks |
| 🇮🇳ZF India zf.com ↗ | Pune, IN | Driveline & chassis | $117 | 1,000 pcs | 8–12 wks |
| advancegroup.cn ↗ | Hangzhou, CN | Gearboxes | $71 | 1,000 pcs | 8–12 wks |
Reduces engine speed and drives the main rotor, tail driveshaft and accessories. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour product / assembly shared across products atomic part related product
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Bill of materials
7 top-level lines · 17 rows shown · 30 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Planetary Reduction Stage 4 parts | helicopter-planetary-stage | 1× | 1 | 12 | assembly |
| 1.1 | Sun Gear | helicopter-sun-gear | 1× | 1 | — | part |
| 1.2 | Planet Gear | helicopter-planet-gear | 5× | 5 | — | part |
| 1.3 | Ring Gear (Annulus) | helicopter-ring-gear | 1× | 1 | — | part |
| 1.4 | Ball Bearing | ball-bearing | 5× | 5 | — | part |
| 2 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 3 | Freewheeling Unit 2 parts | helicopter-freewheel-unit | 1× | 1 | 3 | assembly |
| 3.1 | Sprag Clutch | helicopter-sprag-clutch | 1× | 1 | — | part |
| 3.2 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 4 | Gearbox Housing | helicopter-gearbox-housing | 1× | 1 | — | part |
| 5 | Gearbox Lubrication System 4 parts | helicopter-lube-system | 1× | 1 | 4 | assembly |
| 5.1 | Oil Pump | helicopter-oil-pump | 1× | 1 | — | part |
| 5.2 | Oil Cooler | helicopter-oil-cooler | 1× | 1 | — | part |
| 5.3 | Oil Filter | helicopter-oil-filter | 1× | 1 | — | part |
| 5.4 | O-Ring Set | oring-set | 1× | 1 | — | part |
| 6 | Ball Bearing | ball-bearing | 6× | 6 | — | part |
| 7 | Oil Seal | oil-seal | 3× | 3 | — | part |