Crawler Tractor Unit
AssemblySelf-propelled chassis carrying engine, hydrostatic drive, and crawler tracks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Crawler Tractor Unit parts and their functions
6 top-level parts · 252 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Frame 3 parts | 1× | |
| 2 | Diesel Engine 8 parts | 1× | Turbocharged 4-cylinder diesel, 120-160 kW, Stage V / Tier 4 Final. |
| 3 | Cooling Package 5 parts | 1× | |
| 4 | Fuel Tank 2 parts | 1× | |
| 5 | Crawler Track 6 parts | 2× | Left and right track |
| 6 | Track Final Drive 6 parts | 2× | Planetary reduction driven by a hydrostatic wheel motor. |
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Bill of materials for Crawler Tractor Unit
6 top-level lines · 57 rows shown · 252 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Frame 3 parts | tracked-asphalt-paver-main-frame | 1× | 1 | 4 | assembly |
| 1.1 | Frame Weldment | tracked-asphalt-paver-frame-weldment | 1× | 1 | · | part |
| 1.2 | Tow / Push-Roller Bracket | tracked-asphalt-paver-tow-point | 2× | 2 | · | part |
| 1.3 | Fastener Set | fastener-set | 1× | 1 | · | part |
| 2 | Diesel Engine 8 parts | tracked-asphalt-paver-diesel-engine | 1× | 1 | 22 | assembly |
| 2.1 | Engine Block | tracked-asphalt-paver-engine-block | 1× | 1 | · | part |
| 2.2 | Cylinder Head | tracked-asphalt-paver-cylinder-head | 1× | 1 | · | part |
| 2.3 | Turbocharger 3 parts | tracked-asphalt-paver-turbocharger | 1× | 1 | 5 | assembly |
| 2.3.1 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 2.3.2 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 2.3.3 | Turbine Housing | tracked-asphalt-paver-turbo-housing | 1× | 1 | · | part |
| 2.4 | High-Pressure Fuel Pump | tracked-asphalt-paver-fuel-injection-pump | 1× | 1 | · | part |
| 2.5 | Common-Rail Injector | tracked-asphalt-paver-fuel-injector | 4× | 4 | · | part |
| 2.6 | DOC/DPF/SCR Aftertreatment 4 parts | tracked-asphalt-paver-aftertreatment | 1× | 1 | 5 | assembly |
| 2.6.1 | Diesel Particulate Filter Element | tracked-asphalt-paver-dpf-element | 1× | 1 | · | part |
| 2.6.2 | SCR Catalyst Brick | tracked-asphalt-paver-scr-catalyst | 1× | 1 | · | part |
| 2.6.3 | DEF (AdBlue) Tank | tracked-asphalt-paver-def-tank | 1× | 1 | · | part |
| 2.6.4 | Pressure Sensor | pressure-sensor | 2× | 2 | · | part |
| 2.7 | Oil Seal | oil-seal | 4× | 4 | · | part |
| 2.8 | Fastener Set | fastener-set | 1× | 1 | · | part |
| 3 | Cooling Package 5 parts | tracked-asphalt-paver-cooling-package | 1× | 1 | 6 | assembly |
| 3.1 | Radiator | tracked-asphalt-paver-radiator | 1× | 1 | · | part |
| 3.2 | Charge Air Cooler | tracked-asphalt-paver-charge-air-cooler | 1× | 1 | · | part |
| 3.3 | Hydraulic Oil Cooler | tracked-asphalt-paver-hydraulic-oil-cooler | 1× | 1 | · | part |
| 3.4 | Hydraulic Cooling Fan 2 parts | tracked-asphalt-paver-cooling-fan | 1× | 1 | 2 | assembly |
| 3.4.1 | Fan Drive Motor | tracked-asphalt-paver-fan-motor | 1× | 1 | · | part |
| 3.4.2 | Fan Blade | tracked-asphalt-paver-fan-blade | 1× | 1 | · | part |
| 3.5 | Engine Coolant | tracked-asphalt-paver-coolant | 1× | 1 | · | part |
| 4 | Fuel Tank 2 parts | tracked-asphalt-paver-fuel-tank | 1× | 1 | 2 | assembly |
| 4.1 | Fuel Level Sender | tracked-asphalt-paver-fuel-sender | 1× | 1 | · | part |
| 4.2 | Fuel Filter / Water Separator | tracked-asphalt-paver-fuel-filter | 1× | 1 | · | part |
| 5 | Crawler Track 6 parts | tracked-asphalt-paver-crawler-track | 2× | 2 | 94 | assembly |
| 5.1 | Track Chain | tracked-asphalt-paver-track-chain | 1× | 2 | · | part |
| 5.2 | Track Pad | tracked-asphalt-paver-track-pad | 49× | 98 | · | part |
| 5.3 | Drive Sprocket | tracked-asphalt-paver-drive-sprocket | 1× | 2 | · | part |
| 5.4 | Front Idler Wheel 3 parts | tracked-asphalt-paver-idler-wheel | 1× | 2 | 5 | assembly |
| 5.4.1 | Ball Bearing | ball-bearing | 2× | 4 | · | part |
| 5.4.2 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 5.4.3 | Idler Hub | tracked-asphalt-paver-idler-hub | 1× | 2 | · | part |
| 5.5 | Track Roller 3 parts | tracked-asphalt-paver-track-roller | 7× | 14 | 5 | assembly |
| 5.5.1 | Ball Bearing | ball-bearing | 2× | 28 | · | part |
| 5.5.2 | Oil Seal | oil-seal | 2× | 28 | · | part |
| 5.5.3 | Roller Shell | tracked-asphalt-paver-roller-shell | 1× | 14 | · | part |
| 5.6 | Grease Track Tensioner 3 parts | tracked-asphalt-paver-track-tensioner | 1× | 2 | 3 | assembly |
| 5.6.1 | Tensioner Grease Cylinder | tracked-asphalt-paver-tensioner-cylinder | 1× | 2 | · | part |
| 5.6.2 | Coil Spring | coil-spring | 1× | 2 | · | part |
| 5.6.3 | O-Ring Set | oring-set | 1× | 2 | · | part |
| 6 | Track Final Drive 6 parts | tracked-asphalt-paver-final-drive | 2× | 2 | 15 | assembly |
| 6.1 | Hydrostatic Track Motor 3 parts | tracked-asphalt-paver-drive-motor | 1× | 2 | 5 | assembly |
| 6.1.1 | Bent-Axis Rotary Group | tracked-asphalt-paver-motor-rotary-group | 1× | 2 | · | part |
| 6.1.2 | Ball Bearing | ball-bearing | 2× | 4 | · | part |
| 6.1.3 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 6.2 | Helical Gear Pair | gear-pair | 2× | 4 | · | part |
| 6.3 | Gearbox Housing | gearbox-housing | 1× | 2 | · | part |
| 6.4 | Ball Bearing | ball-bearing | 4× | 8 | · | part |
| 6.5 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 6.6 | Final Drive Gear Oil | tracked-asphalt-paver-gear-oil | 1× | 2 | · | part |
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Where the crawler tractor unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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 $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |