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Undercarriage

Assembly

Widened tracked base with retractable or fixed track frames for stability. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Undercarriage parts and their functions

8 top-level parts · 635 parts in total · full bill of materials below
Undercarriage parts diagram: 1 track frame, 2 travel drive, 3 track chain, 4 track shoe (grouser), 5 track roller, 6 carrier roller, 7 front idler, 8 track adjuster. 635 parts in 8 top-level items.
Undercarriage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Track Frame 1× Welded X-frame carrying the track groups
2 Travel Drive 4 parts 2× Hydraulic travel motor and final drive per side
3 Track Chain 4 parts 2× Sealed and lubricated track chain per side
4 Track Shoe (Grouser) 96× Wide grouser shoes bolted to the chains
5 Track Roller 16× Lower rollers carrying machine weight
6 Carrier Roller 4× Upper rollers supporting the chains
7 Front Idler 2× Front guide wheels
8 Track Adjuster 2× Grease-filled tension cylinders

3D model

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Build & assembly graph

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Bill of materials for Undercarriage

8 top-level lines · 21 rows shown · 635 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Track Frame long-reach-excavator-track-frame 1× 1 · part
2 Travel Drive 4 parts long-reach-excavator-travel-drive 2× 2 17 assembly
2.1 Travel Motor long-reach-excavator-travel-motor 1× 2 · part
2.2 Travel Final Drive 5 parts long-reach-excavator-final-drive 1× 2 13 assembly
2.2.1 Sun Gear long-reach-excavator-sun-gear 1× 2 · part
2.2.2 Planet Gear long-reach-excavator-planet-gear 6× 12 · part
2.2.3 Ring Gear long-reach-excavator-ring-gear 1× 2 · part
2.2.4 Gearbox Housing gearbox-housing 1× 2 · part
2.2.5 Ball Bearing ball-bearing 4× 8 · part
2.3 Drive Sprocket long-reach-excavator-sprocket 1× 2 · part
2.4 Oil Seal oil-seal 2× 4 · part
3 Track Chain 4 parts long-reach-excavator-track-chain 2× 2 240 assembly
3.1 Track Link long-reach-excavator-track-link 96× 192 · part
3.2 Track Pin long-reach-excavator-track-pin 48× 96 · part
3.3 Track Bushing long-reach-excavator-track-bushing 48× 96 · part
3.4 Oil Seal oil-seal 48× 96 · part
4 Track Shoe (Grouser) long-reach-excavator-track-shoe 96× 96 · part
5 Track Roller long-reach-excavator-track-roller 16× 16 · part
6 Carrier Roller long-reach-excavator-carrier-roller 4× 4 · part
7 Front Idler long-reach-excavator-front-idler 2× 2 · part
8 Track Adjuster long-reach-excavator-track-adjuster 2× 2 · part

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Where the undercarriage is used

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

Used in 1 assembly

Long-Reach Excavator

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