Casting 50Mn Steel D4D Bulldozer Track Rollers ISO9001
Track Rollers For D4D Undercarriage Parts Bulldozer Spare Parts
1. What is a roller?
The roller has many kinds and large quantities and can support the conveyor belt and the weight of the material. It accounts for 35% of the total cost of a belt conveyor, which produces more than 70% resistance, so the quality of the roller is particularly important. It has two kinds of steel and plastic.
2. Why Choose Us?
* The quench-tempering process guarantees outstanding mechanical properties, robust strength, and exceptional resistance to bending and fracture.
* With a surface hardness range of HRC40-55, wear is minimized and lifespan extended, thereby enhancing product durability and adding substantial value to your business endeavors.
* Utilizing state-of-the-art technology, each roller shaft undergoes drop-forge forging and precision machining, including grinding and finishing processes, to ensure maximum strength and longevity.
* The roller shells undergo rigorous heat treatment to maintain their superior quality standards.
3. Track Roller Structure
4. Main Dimensions of Installation
| Item | Model | Main Dimensions of Installation | Remarks | |||||
| A | B | E | G | M | L | |||
| Bulldozer | D20 | 155 | 135 | 130 | 264 | 194 | 15 | |
| D3C | 178 | 152 | 155 | 274 | 230.5 | 13.5 | ||
| D31 | 198 | 170 | 154 | 285 | 240 | 17.5 | ||
| D4D | 230/219 | 203 | 174 | 358.5 | 298 | 17 | ||
| D5 | 233 | 204 | 208 | 369 | 317.5 | 17 | ||
| D6D | 246 | 210 | 228 | 400 | 330.5 | 20.5 | ||
| D7G | 256 | 222 | 248 | 439.5 | 368 | 245 | ||
| D8K | 300 | 280 | 296 | 533.6 | 428.6 | 27 | ||
| D40 | 233 | 204 | 208 | 308 | 310 | 18 | ||
| D50 | 233 | 204 | 208 | 380 | 310 | 18 | ||
| D60 | 245 | 210 | 235 | 394 | 320 | 19 | ||
| D65 | 245 | 210 | 235 | 394 | 320 | 19 | ||
| D80 | 258 | 220 | 252 | 452 | 380 | 23.5 | ||
| D85 | 258 | 220 | 252 | 452 | 380 | 23.5 | ||
The models above are just for reference, we can't list all models here. we can supply more products as your requirements. Please feel free to send us your inquiry.
5. Production Process
6. Our Advantages
* Trading secured
* Factory sale directly with reasonable price
* 35-year professional manufacturing experience
* 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
7. Hot Sale Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




