Undercarriage Assembly
Welded track frame, two rubber tracks, sprockets driven by geared hydraulic travel motors, idlers and rollers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 18 rows shown · 71 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Welded Track Frame | mini-excavator-track-frame | 1× | 1 | — | part |
| 2 | Rubber Track | mini-excavator-rubber-track | 2× | 2 | — | part |
| 3 | Drive Sprocket | mini-excavator-sprocket | 2× | 2 | — | part |
| 4 | Travel Motor 5 parts | mini-excavator-travel-motor | 2× | 2 | 28 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 2 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 2 | — | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 2 | — | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 2 | — | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 2 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 2 | — | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 2 | — | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 32 | — | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 2 | — | part |
| 4.3 | Helical Gear Pair | gear-pair | 2× | 4 | — | part |
| 4.4 | Ball Bearing | ball-bearing | 2× | 4 | — | part |
| 4.5 | Oil Seal | oil-seal | 2× | 4 | — | part |
| 5 | Track Idler | mini-excavator-idler | 2× | 2 | — | part |
| 6 | Track Roller | mini-excavator-track-roller | 8× | 8 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $300–$90k · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳BYD byd.com ↗ | Shenzhen, CN | EV & battery manufacturer | made to order | — |
| tatamotors.com ↗ | Mumbai, IN | Automaker | made to order | — |
| saicmotor.com ↗ | Shanghai, CN | Automaker | made to order | — |
| 🇮🇳Mahindra mahindra.com ↗ | Mumbai, IN | Automaker | made to order | — |
| 🇨🇳Geely global.geely.com ↗ | Hangzhou, CN | Automaker | made to order | — |