Heavy-Duty Precision Heat-Treated Track Chain for Komatsu PC300 - Track Link & Shoe Assembly
1.Heavy Track Link Features : Precision-Engineered for Uninterrupted Performance
Fed up with premature track link wear, frequent replacements, and costly downtime that eats into your project profits? Our components are engineered to eliminate these pain points, delivering reliable performance even in the toughest mining and construction environments.
We leverage advanced machining centers paired with horizontal and vertical CNC equipment to execute critical processes—high-precision turning, drilling, threading, and milling—on every part. This strict manufacturing standard guarantees superior component quality, seamless assembly accuracy, extended service life, and minimized hourly production costs for your operations.
Our track links are forged from high-grade 35MNB special steel, then enhanced with structural reinforcement technology and advanced heat treatment processes. The result is unbeatable maximum strength and exceptional abrasion resistance that stands up to heavy loads and abrasive terrain. Plus, the integrated self-lubricating system drastically reduces friction and wear, significantly extending the service life of track chain bearings and slashing unplanned maintenance stops.

2. Main Dimensions of Installation

MAIN PARAMETERS
| Suitable Model | Main Dimensions of Installation |
| P | A | B | C | E | F | H | K | L |
| PC60-6/PC75/SK60 | 154 | 89 | 73 | 57 | 14.5 | 45 | 104 | 74 | 33.5 |
| PC100-1/2/PC100-3/HD350 | 154 | 112.4 | 82.4 | 57 | 14.5 | 49.4 | 124.4 | 87 | 40 |
| EX60-1/2/3/5 | 154 | 90 | 90 | 55 | 14.5 | 56 | 127 | 80 | 38 |
| R200/K907 | 171.45 | 144.5 | 125.4 | 58.7 | 16.5 | 87.7 | 171.7 | 101.6 | 42.8 |
| EX120/R900/E110/E120 | 171.45 | 108 | 108 | 60.3 | 16.5 | 68 | 144.8 | 95 | 44 |
| EX130/SK120/SK100 | 171.45 | 108 | 108 | 60.3 | 16.5 | 58.6 | 129 | 90.2 | 40.7 |
| EX100 | 171.45 | 108 | 108 | 60.3 | 16.5 | 68 | 144.8 | 95 | 44 |
| PC200-5/DH220 | 190 | 160.4 | 124.4 | 62 | 20.5 | 85.6 | 176.4 | 105 | 47 |
| E200B/E320/E240B/SK200 | 190 | 155.6 | 119.6 | 69 | 20.5 | 82.2 | 174.2 | 106 | 46 |
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.
3. Forging and Heat Treatment

4. Hot Sale Products

5. Our Advantages
* World-class quality
* Factory sale directly with reasonable price
* Flexible payment terms including T/T, L/C and so on
* Fast delivery within 30 days after contract established
* After-sale services: video technical support, 24h online support
6. Customer Feedback

Are you still troubled by lacking of quality excavator track link? YinTai Parts is one of the professional manufacturers and suppliers of excavator track link in China, which has high-quality products for sale. With over 30 years of experience and wide expertise, we can assure you the high quality and good performance of our products.
6. FAQ
* You are a trader or a manufacture?
- We are an industry and trade integration business, our factory loed in Quanzhou, and our sales department is in the center of Xiamen city.
* Can I get samples for checking the quality?
- Sample is free,but the customer needs to pay for shipping.
* How about the payment terms?
- We usually accept T/T or L/C. other terms also could be negotiated.
* What is your minimum order?
- It depends on what you are buying. Normally, our minimum order is USD5000. one 20’ full container and LCL container (less than a container load) can be acceptable.
* What is your delivery time?
- FOB Xiamen or any Chinese port: 35-45 days. If there are any parts in stock, our delivery time is only 7-10 days.
* What about Quality Control?
- We have a perfect QC system for the perfect products. A team who will detect the product quality and specifiion piece carefully, monitoring every production process until packing is complete, to ensure product safety into the container.