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Crawler Undercarriage

Assembly

Twin crawler track frames carrying the crane on wide steel pads for low ground pressure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Crawler Undercarriage parts and their functions

8 top-level parts · 358 parts in total · full bill of materials below
Crawler Undercarriage parts diagram: 1 track frame, 2 track chain, 3 drive sprocket, 4 front idler, 5 track roller, 6 carrier roller, 7 track tensioner, 8 travel drive. 358 parts in 8 top-level items.
Crawler 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 2× Left and right track frames
2 Track Chain 3 parts 2× Track shoe chains
3 Drive Sprocket 2× Final-drive sprockets
4 Front Idler 3 parts 2× Front idler wheels
5 Track Roller 16× Lower track rollers
6 Carrier Roller 4× Upper carrier rollers
7 Track Tensioner 3 parts 2× Grease tensioners
8 Travel Drive 3 parts 2× Travel motor and gearbox

3D model

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Build & assembly graph

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Bill of materials for Crawler Undercarriage

8 top-level lines · 24 rows shown · 358 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Track Frame crawler-crane-lattice-track-frame 2× 2 · part
2 Track Chain 3 parts crawler-crane-lattice-track-chain 2× 2 147 assembly
2.1 Track Pad (Grouser Shoe) crawler-crane-lattice-track-pad 49× 98 · part
2.2 Track Link crawler-crane-lattice-track-link 49× 98 · part
2.3 Track Pin and Bushing crawler-crane-lattice-track-pin 49× 98 · part
3 Drive Sprocket crawler-crane-lattice-drive-sprocket 2× 2 · part
4 Front Idler 3 parts crawler-crane-lattice-idler 2× 2 5 assembly
4.1 Idler Wheel crawler-crane-lattice-idler-wheel 1× 2 · part
4.2 Ball Bearing ball-bearing 2× 4 · part
4.3 Oil Seal oil-seal 2× 4 · part
5 Track Roller crawler-crane-lattice-track-roller 16× 16 · part
6 Carrier Roller crawler-crane-lattice-carrier-roller 4× 4 · part
7 Track Tensioner 3 parts crawler-crane-lattice-track-tensioner 2× 2 3 assembly
7.1 Tension Cylinder crawler-crane-lattice-tension-cylinder 1× 2 · part
7.2 Coil Spring coil-spring 1× 2 · part
7.3 O-Ring Set oring-set 1× 2 · part
8 Travel Drive 3 parts crawler-crane-lattice-travel-drive 2× 2 12 assembly
8.1 Travel Motor crawler-crane-lattice-travel-motor 1× 2 · part
8.2 Travel Gearbox 4 parts crawler-crane-lattice-travel-gearbox 1× 2 10 assembly
8.2.1 Helical Gear Pair gear-pair 3× 6 · part
8.2.2 Gearbox Housing gearbox-housing 1× 2 · part
8.2.3 Ball Bearing ball-bearing 4× 8 · part
8.2.4 Oil Seal oil-seal 2× 4 · part
8.3 Track Park Brake crawler-crane-lattice-track-brake 1× 2 · part

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Where the crawler undercarriage is used

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

Used in 1 assembly

Lattice Boom Crawler Crane

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