BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Braking System

Assembly

Full-air dual-circuit braking with disc brakes, EBS control, and an engine/transmission retarder for downhill control. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Braking System parts and their functions

6 top-level parts · 49 parts in total · full bill of materials below
Braking System parts diagram: 1 air compressor, 2 air dryer, 3 air reservoir, 4 air disc brake caliper, 5 EBS module, 6 hydraulic retarder. 49 parts in 6 top-level items.
Braking System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Air Compressor 1× Engine-driven air compressor
2 Air Dryer 1× Air dryer and governor
3 Air Reservoir 3× Air storage reservoirs
4 Air Disc Brake Caliper 4 parts 6× Air disc brake calipers
5 EBS Module 6 parts 1× Electronic braking control module
6 Hydraulic Retarder 1× Hydraulic retarder

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 Braking System

6 top-level lines · 16 rows shown · 49 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Air Compressor open-top-tour-bus-air-compressor 1× 1 · part
2 Air Dryer open-top-tour-bus-air-dryer 1× 1 · part
3 Air Reservoir open-top-tour-bus-air-reservoir 3× 3 · part
4 Air Disc Brake Caliper 4 parts open-top-tour-bus-brake-caliper 6× 6 5 assembly
4.1 Brake Disc open-top-tour-bus-brake-disc 1× 6 · part
4.2 Brake Pad open-top-tour-bus-brake-pad 2× 12 · part
4.3 Brake Chamber open-top-tour-bus-brake-chamber 1× 6 · part
4.4 O-Ring Set oring-set 1× 6 · part
5 EBS Module 6 parts open-top-tour-bus-ebs-module 1× 1 13 assembly
5.1 Bare PCB pcb-bare 1× 1 · part
5.2 Microcontroller mcu 1× 1 · part
5.3 SMD Passive (R/C/L) smd-passives 1× 1 · part
5.4 Pressure Sensor pressure-sensor 4× 4 · part
5.5 Relay relay 2× 2 · part
5.6 Connector connector 4× 4 · part
6 Hydraulic Retarder open-top-tour-bus-retarder 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the braking system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks