Running Gear
AssemblyFront steer axle, driven rear axle, electronically controlled air suspension and hydraulic power steering on a wheelbase of about 6 m. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Running Gear parts and their functions
5 top-level parts · 118 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Front Steer Axle 6 parts | 1× | Independent or beam front steer axle |
| 2 | Rear Drive Axle 6 parts | 1× | Low-floor portal drive axle |
| 3 | Air Suspension 5 parts | 1× | Levelling air suspension |
| 4 | Steering Gear 4 parts | 1× | Hydraulic recirculating-ball steering box |
| 5 | Wheel Assembly 3 parts | 6× | Wheel and tyre assemblies |
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 Running Gear
5 top-level lines · 41 rows shown · 118 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Front Steer Axle 6 parts | electric-bus-front-axle | 1× | 1 | 12 | assembly |
| 1.1 | Axle Beam | electric-bus-axle-beam | 1× | 1 | · | part |
| 1.2 | Steering Knuckle | electric-bus-steering-knuckle | 2× | 2 | · | part |
| 1.3 | Wheel Hub | electric-bus-wheel-hub | 2× | 2 | · | part |
| 1.4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 1.5 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 1.6 | Tie Rod | electric-bus-tie-rod | 1× | 1 | · | part |
| 2 | Rear Drive Axle 6 parts | electric-bus-rear-axle | 1× | 1 | 18 | assembly |
| 2.1 | Axle Housing | electric-bus-axle-housing | 1× | 1 | · | part |
| 2.2 | Portal Hub Reduction 3 parts | electric-bus-portal-hub-reduction | 2× | 2 | 4 | assembly |
| 2.2.1 | Helical Gear Pair | gear-pair | 1× | 2 | · | part |
| 2.2.2 | Ball Bearing | ball-bearing | 2× | 4 | · | part |
| 2.2.3 | Oil Seal | oil-seal | 1× | 2 | · | part |
| 2.3 | Wheel Hub | electric-bus-wheel-hub | 2× | 2 | · | part |
| 2.4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 2.5 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 2.6 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 3 | Air Suspension 5 parts | electric-bus-air-suspension | 1× | 1 | 43 | assembly |
| 3.1 | Air Spring Bellows | electric-bus-air-bellows | 6× | 6 | · | part |
| 3.2 | Shock Absorber | electric-bus-shock-absorber | 6× | 6 | · | part |
| 3.3 | Levelling Valve | electric-bus-levelling-valve | 3× | 3 | · | part |
| 3.4 | Air Compressor 5 parts | electric-bus-air-compressor | 1× | 1 | 26 | assembly |
| 3.4.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 3.4.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 3.4.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 3.4.4 | Compressor Head | electric-bus-compressor-head | 1× | 1 | · | part |
| 3.4.5 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 3.5 | Air Reservoir | electric-bus-air-reservoir | 2× | 2 | · | part |
| 4 | Steering Gear 4 parts | electric-bus-steering-gear | 1× | 1 | 27 | assembly |
| 4.1 | Steering Box | electric-bus-steering-box | 1× | 1 | · | part |
| 4.2 | Steering Pump 4 parts | electric-bus-steering-pump | 1× | 1 | 24 | assembly |
| 4.2.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 4.2.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.2.3 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4.2.4 | Oil Seal | oil-seal | 1× | 1 | · | part |
| 4.3 | Steering Column | electric-bus-steering-column | 1× | 1 | · | part |
| 4.4 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 5 | Wheel Assembly 3 parts | electric-bus-wheel-assembly | 6× | 6 | 3 | assembly |
| 5.1 | Wheel Rim | electric-bus-wheel-rim | 1× | 6 | · | part |
| 5.2 | Tyre | electric-bus-tyre | 1× | 6 | · | part |
| 5.3 | Fastener Set | fastener-set | 1× | 6 | · | part |
Where the 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 |