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Three-Piece Freight Bogie

Assembly

Standard AAR three-piece freight truck with two side frames, a bolster, and two wheelsets on coil spring nests. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Three-Piece Freight Bogie parts and their functions

8 top-level parts · 40 parts in total · full bill of materials below
Three-Piece Freight Bogie parts diagram: 1 side frame, 2 truck bolster, 3 wheelset, 4 spring nest, 5 friction wedge, 6 center plate, 7 side bearing, 8 coil spring. 40 parts in 8 top-level items.
Three-Piece Freight Bogie parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Side Frame 2× Cast steel side frame
2 Truck Bolster 1× Cast steel bolster
3 Wheelset 4 parts 2× Axle and wheel pair
4 Spring Nest 2× Suspension spring group
5 Friction Wedge 4× Friction damping wedge
6 Center Plate 1× Bolster center bowl
7 Side Bearing 2× Constant-contact side bearing
8 Coil Spring 14× Bolster suspension springs

3D model

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Build & assembly graph

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Bill of materials for Three-Piece Freight Bogie

8 top-level lines · 12 rows shown · 40 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Side Frame gondola-car-side-frame 2× 2 · part
2 Truck Bolster gondola-car-truck-bolster 1× 1 · part
3 Wheelset 4 parts gondola-car-wheelset 2× 2 7 assembly
3.1 Axle gondola-car-axle 1× 2 · part
3.2 Rail Wheel gondola-car-wheel 2× 4 · part
3.3 Roller Bearing gondola-car-roller-bearing 2× 4 · part
3.4 Bearing Adapter gondola-car-bearing-adapter 2× 4 · part
4 Spring Nest gondola-car-spring-nest 2× 2 · part
5 Friction Wedge gondola-car-friction-wedge 4× 4 · part
6 Center Plate gondola-car-center-plate 1× 1 · part
7 Side Bearing gondola-car-side-bearing 2× 2 · part
8 Coil Spring coil-spring 14× 14 · part

Where the three-piece freight bogie is used

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

Used in 1 assembly

Gondola Railcar

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 (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
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