Chassis and Running Gear
AssemblyWelded steel frame on four flanged rail wheels with suspension and axle bearings. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Chassis and Running Gear parts and their functions
10 top-level parts · 32 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Frame | 1× | Welded box-section steel frame, the vehicle structure |
| 2 | Rail Wheel | 4× | Flanged steel wheels rolling on the rail head |
| 3 | Axle | 2× | Solid steel axle connecting each wheel pair |
| 4 | Axle Box | 4× | Axle box housing the wheel bearings |
| 5 | Ball Bearing | 8× | Tapered roller bearings supporting the axles |
| 6 | Leaf Spring | 4× | Leaf or coil spring suspension between frame and axle box |
| 7 | Coil Spring | 4× | Secondary suspension springs damping ride |
| 8 | End Buffer | 2× | Rubber end buffers for coupling and impact |
| 9 | Coupler | 2× | Drawhook and coupling for towing a trailer |
| 10 | Fastener Set | 1× | Bolts and nuts joining frame, springs, and axle boxes |
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 Chassis and Running Gear
10 top-level lines · 10 rows shown · 32 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Frame | inspection-trolley-main-frame | 1× | 1 | · | part |
| 2 | Rail Wheel | inspection-trolley-rail-wheel | 4× | 4 | · | part |
| 3 | Axle | inspection-trolley-axle | 2× | 2 | · | part |
| 4 | Axle Box | inspection-trolley-axle-box | 4× | 4 | · | part |
| 5 | Ball Bearing | ball-bearing | 8× | 8 | · | part |
| 6 | Leaf Spring | inspection-trolley-leaf-spring | 4× | 4 | · | part |
| 7 | Coil Spring | coil-spring | 4× | 4 | · | part |
| 8 | End Buffer | inspection-trolley-buffer | 2× | 2 | · | part |
| 9 | Coupler | inspection-trolley-coupler | 2× | 2 | · | part |
| 10 | Fastener Set | fastener-set | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the chassis and running gear is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 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 |
| 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 |