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Chassis and Running Gear

Assembly

Welded steel underframe with two rail bogies, axles and buffers carrying the full vehicle load. 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

9 top-level parts · 36 parts in total · full bill of materials below
Chassis and Running Gear parts diagram: 1 underframe, 2 rail bogie, 3 wheelset, 4 axlebox, 5 ball bearing, 6 coil spring, 7 buffer, 8 coupler, 9 fastener set. 36 parts in 9 top-level items.
Chassis and Running Gear parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Underframe 1× Welded steel underframe spanning the bogies
2 Rail Bogie 2× Two-axle rail bogie with primary suspension
3 Wheelset 4× Solid steel axle with two press-fit rail wheels
4 Axlebox 8× Axle bearing housing transferring load to the frame
5 Ball Bearing 8× Tapered roller bearings inside each axlebox
6 Coil Spring 8× Primary suspension coil springs over the axleboxes
7 Buffer 2× End buffer and draw hook for coupling
8 Coupler 2× Screw or automatic coupler at each car end
9 Fastener Set 1× Structural bolts, rivets and washers for the underframe

3D model

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Build & assembly graph

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Bill of materials for Chassis and Running Gear

9 top-level lines · 9 rows shown · 36 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Underframe overhead-wire-maintenance-car-underframe 1× 1 · part
2 Rail Bogie overhead-wire-maintenance-car-bogie 2× 2 · part
3 Wheelset overhead-wire-maintenance-car-wheelset 4× 4 · part
4 Axlebox overhead-wire-maintenance-car-axlebox 8× 8 · part
5 Ball Bearing ball-bearing 8× 8 · part
6 Coil Spring coil-spring 8× 8 · part
7 Buffer overhead-wire-maintenance-car-buffer 2× 2 · part
8 Coupler overhead-wire-maintenance-car-coupler 2× 2 · part
9 Fastener Set fastener-set 1× 1 · part

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Where the chassis and running gear 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 $1–$300. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Sona Comstar
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
🇮🇳Bharat Gears
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