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Undercarriage

Assembly

Welded track frame, two rubber tracks, sprockets driven by geared hydraulic travel motors, idlers and rollers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Undercarriage parts and their functions

6 top-level parts · 71 parts in total · full bill of materials below
Undercarriage parts diagram: 1 welded track frame, 2 rubber track, 3 drive sprocket, 4 travel motor, 5 track idler, 6 track roller. 71 parts in 6 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 Welded Track Frame 1× X/H-shaped track frame
2 Rubber Track 2× Endless rubber tracks
3 Drive Sprocket 2× Drive sprockets
4 Travel Motor 5 parts 2× Geared track drive motors
5 Track Idler 2× Front idler wheels
6 Track Roller 8× Lower track rollers

3D model

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Build & assembly graph

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Bill of materials for Undercarriage

6 top-level lines · 18 rows shown · 71 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Welded Track Frame mini-excavator-track-frame 1× 1 · part
2 Rubber Track mini-excavator-rubber-track 2× 2 · part
3 Drive Sprocket mini-excavator-sprocket 2× 2 · part
4 Travel Motor 5 parts mini-excavator-travel-motor 2× 2 28 assembly
4.1 Stator Assembly 3 parts stator-assembly 1× 2 3 assembly
4.1.1 Stator Core (laminations) stator-core 1× 2 · part
4.1.2 Copper Winding copper-winding 1× 2 · part
4.1.3 Slot Insulation stator-insulation 1× 2 · part
4.2 Rotor Assembly 4 parts rotor-assembly 1× 2 19 assembly
4.2.1 Rotor Shaft rotor-shaft 1× 2 · part
4.2.2 Rotor Core rotor-core 1× 2 · part
4.2.3 Neodymium Magnet neodymium-magnet 16× 32 · part
4.2.4 Ball Bearing ball-bearing 1× 2 · part
4.3 Helical Gear Pair gear-pair 2× 4 · part
4.4 Ball Bearing ball-bearing 2× 4 · part
4.5 Oil Seal oil-seal 2× 4 · part
5 Track Idler mini-excavator-idler 2× 2 · part
6 Track Roller mini-excavator-track-roller 8× 8 · 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

Mini 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