Low-Floor Chassis
AssemblyLadder frame dropped between the axles to give a step-free entry around 340 mm above the apron. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Low-Floor Chassis parts and their functions
6 top-level parts · 40 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Frame Side Rail | 2× | |
| 2 | Cross Member | 8× | |
| 3 | Front Steer Axle 5 parts | 1× | Independent low-mount steer axle clearing the dropped floor. |
| 4 | Rear Drive Axle 6 parts | 1× | Portal drive axle keeping the differential clear of the low aisle. |
| 5 | Hydraulic Steering Box 3 parts | 1× | |
| 6 | Fastener Set | 1× | Bolts, nuts, and washers. |
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 Low-Floor Chassis
6 top-level lines · 23 rows shown · 40 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Frame Side Rail | airport-shuttle-bus-frame-rail | 2× | 2 | · | part |
| 2 | Cross Member | airport-shuttle-bus-cross-member | 8× | 8 | · | part |
| 3 | Front Steer Axle 5 parts | airport-shuttle-bus-front-axle | 1× | 1 | 11 | assembly |
| 3.1 | Axle Beam | airport-shuttle-bus-axle-beam | 1× | 1 | · | part |
| 3.2 | Kingpin Set | airport-shuttle-bus-kingpin | 2× | 2 | · | part |
| 3.3 | Wheel Hub | airport-shuttle-bus-wheel-hub | 2× | 2 | · | part |
| 3.4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 3.5 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 4 | Rear Drive Axle 6 parts | airport-shuttle-bus-rear-axle | 1× | 1 | 15 | assembly |
| 4.1 | Portal Axle Housing | airport-shuttle-bus-portal-housing | 1× | 1 | · | part |
| 4.2 | Helical Gear Pair | gear-pair | 2× | 2 | · | part |
| 4.3 | Differential 3 parts | airport-shuttle-bus-differential | 1× | 1 | 4 | assembly |
| 4.3.1 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 4.3.2 | Differential Case | airport-shuttle-bus-diff-case | 1× | 1 | · | part |
| 4.3.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 4.4 | Wheel Hub | airport-shuttle-bus-wheel-hub | 2× | 2 | · | part |
| 4.5 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 4.6 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 5 | Hydraulic Steering Box 3 parts | airport-shuttle-bus-steering-box | 1× | 1 | 3 | assembly |
| 5.1 | Recirculating Ball Gear | airport-shuttle-bus-steering-gear | 1× | 1 | · | part |
| 5.2 | Power Assist Cylinder | airport-shuttle-bus-power-cylinder | 1× | 1 | · | part |
| 5.3 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 6 | Fastener Set | fastener-set | 1× | 1 | · | part |
Where the low-floor chassis 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 $0.50–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| bharatforge.com ↗ | Pune, IN | Forgings & metal parts | 500 pcs | 6–10 wks |
| dicastal.com ↗ | Qinhuangdao, CN | Aluminium castings & wheels | 500 pcs | 6–10 wks |
| tataautocomp.com ↗ | Pune, IN | Auto components | 500 pcs | 6–10 wks |
|
🇸🇬Beyonics
beyonics.com ↗
|
Singapore | Precision metal & mfg | 500 pcs | 6–10 wks |
| sundaram-clayton.com ↗ | Chennai, IN | Die castings | 500 pcs | 6–10 wks |