Bulldozer Undercarriage Track Chain Group D20 D3C D4H Oil Track Link Assy
| Material: | 35MnBH Or Customer Required | Technique: | Forging And Heat Treatment |
| Quality: | Heat Treatment HRC 40-55 | OEM: | Available |
| Colour: | Yellow Or Black Or Customer Required | Warranty Time: | 12-18 Months |
| Certifiion: | ISO 9001-9002 | Dimension: | Standard |
| High Light: | track chain assembly,bulldozer track chains |
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Bulldozer Track Chain Group Undercarriage Spare Parts Oil Track Link Assy
1.Track Link Features
Employing cutting-edge machining technology, including horizontal and vertical CNC systems, we perform operations like cutting, boring, threading, and milling to guarantee the high standards of each part's craftsmanship and the preciseness of their assembly specifications. This approach aims to prolong the service life of each part and reduce the hourly manufacturing expenses.

2. Why Choose Us?
* Our specialized chain link furnace heat treatment process imparts excellent integrated mechanical characteristics to our items.
* Supplementary high-frequency heat treatment strengthens the surface of our chain links..
* Rigorous quality control is maintained throughout the entire process, from the procurement of raw materials to the final packaging stage.
* A stringent inspection regime and sophisticated testing gear are employed to ensure product integrity.
3. Manufacturing Processes

4. Design and Structure

MAIN PARAMETERS
| Suitable Models | Main Dimensions of Installation | ||||||||
| P | A | B | C | E | F | H | K | L | |
| D20/D21 | 135 | 99 | 72 | 43.2 | 12.5 | 45 | 105 | 75 | 35 |
| D30/D31 | 154 | 112.4 | 82.4 | 57 | 14.5 | 49.4 | 125.4 | 87 | 40 |
| D3C | 155.6 | 104.7 | 88.9 | 54.8 | 14.5 | 60.5 | 128.5 | 88 | 39 |
| D3/D3B/D4B | 155.6 | 104.7 | 88.9 | 54.8 | 14.5 | 60.5 | 128.5 | 88 | 39 |
| D4/D4C | 171.45 | 108 | 108 | 60.3 | 15 | 70 | 144.8 | 95 | 44 |
| D6/D6B | 171 | 144.5 | 125.4 | 58.7 | 16.5 | 90.4 | 173.4 | 101.6 | 42.8 |
| D40/D41/D45/D50 | 175 | 158.4 | 122.4 | 57 | 16.5 | 84.6 | 173.2 | 101.5 | 45 |
| D5/D5B | 175.5 | 144.5 | 125.4 | 58.7 | 16.5 | 90.6 | 172.6 | 103.2 | 43.5 |
| T170 | 203 | 197 | 157 | 70 | 20.5 | 113 | 221 | 123 | 52 |
| T120/T140 | 203 | 184 | 146 | 72 | 20.5 | 108 | 208 | 115 | 52 |
| T160 | 203.2 | 178.4 | 138.4 | 72 | 20.5 | 99.6 | 199.6 | 116.4 | 52 |
| D60A/D65A/TY160 | 203.2 | 178.4 | 138.4 | 72 | 19.5 | 99.6 | 199.6 | 116.4 | 52 |
| SD7 | 216 | 184 | 146 | 76.2 | 20.5 | 108 | 208 | 125.5 | 55.5 |
| D85/TY220/TY230 | 216 | 184 | 146 | 76.2 | 20.5 | 106 | 209.2 | 129 | 59 |
| D7G | 216 | 184 | 146 | 76.2 | 19.5 | 108 | 208 | 125.5 | 55.5 |
| D7G | 216 | 184 | 146 | 76.2 | 19.5 | 108 | 208 | 125.5 | 55.5 |
| D7E/D7F/D7G | 216 | 184 | 146 | 76.2 | 19.5 | 108 | 208 | 125.5 | 55.5 |
The models above are just for reference, we can't list all models here.we can supply more products as your requirement. Please feel free to send us your inquiry or email if you have any requirements.
5. Our Advantages
* World-class quality
* Factory sale directly with reasonable price
* 35 years' experience in Excavator & Bulldozer spare parts manufacturing
* Flexible payment terms including T/T, L/C and so on
* Fast delivery within 30 days after contract established
* Professional sales team, quality inspection and report, maritime logistics guidance
* After-sale services: video technical support, 24h online support
6. Hot Sale Products
