Komatsu D85ESS-2 Dozer Drive Sprocket Segment Bulldozer Undercarriage Parts
The Komatsu D85ESS-2 sprocket segment is designed to provide reliable power transmission and stable track engagement in demanding bulldozer applications. Manufactured from high-strength alloy steel with advanced heat treatment, it offers excellent wear resistance, impact durability, and long service life under heavy operating conditions.
| Material | 35mnbh/40Mn2 |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
The Komatsu D85ESS-2 sprocket segment is a critical part within the bulldozer undercarriage system. Installed at the rear drive assembly, the sprocket segment engages directly with the track links to ensure smooth machine movement, stable traction, and efficient power transmission during operation. As a durable replacement drive sprocket segment for the Komatsu D85ESS-2 bulldozer, its precise tooth design ensures stable engagement with the track chain, minimizing slippage, vibration, and premature wear during continuous heavy-duty operation.
Manufacturing Process
The sprocket segments are manufactured from premium alloy steel with excellent toughness and wear resistance. Depending on production requirements, precision forging or controlled casting processes are used to ensure strong internal structure and stable mechanical properties.
Material Preparation, Forming & Structural Treatment
The production process begins with high-quality alloy steel material cutting and preparation. Depending on the product requirements, the sprocket segments are formed through precision forging or casting to achieve strong structural integrity and stable mechanical properties. After shaping, trimming and sand cleaning are performed to remove excess material and surface impurities. A normalizing heat treatment process is then applied to refine the internal grain structure, improve toughness, and reduce internal stress, creating a solid foundation for subsequent machining and hardening processes.
CNC Precision Machining
Advanced CNC machining equipment is used to ensure accurate dimensions and stable installation performance. Key machining processes include precision surface milling and bolt hole drilling, ensuring proper alignment with the sprocket hub and reliable engagement within the bulldozer undercarriage system. Accurate machining also helps reduce assembly errors and improve operational stability.
Surface Hardening & Tempering
To improve wear resistance and extend service life, the sprocket tooth surfaces undergo medium-frequency induction hardening. This process significantly increases surface hardness in high-contact areas exposed to continuous track chain engagement. A low-temperature tempering treatment is then applied to balance hardness and toughness, reducing the risk of cracking while maintaining long-term durability under heavy-load operating conditions.
Finishing, Inspection & Protective Coating
After heat treatment, the sprocket segments undergo shot blasting to remove surface scale and improve surface cleanliness. Strict dimensional and hardness inspections are carried out to ensure compliance with OEM standards and performance requirements. Finally, anti-rust coating and protective painting are applied before packaging, helping prevent corrosion during storage and transportation while improving overall product appearance.
OEM Compatibility
This sprocket segment is specifically designed for:
Komatsu D85ESS-2 Bulldozer
Compatible OEM reference numbers include:
- 14X-27-15112
- 14X-27-77110
Manufactured according to OEM specifications, these drive segments ensure accurate fitment, stable engagement with the track chain, and reliable undercarriage performance under heavy-duty operating conditions.
Technical drawings and cross-reference support can be provided upon request to help confirm compatibility and ensure precise matching for your bulldozer undercarriage system.
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| KOMATSU | D20 | D21 | D31 | D37 | D39 | D41 | D50 | D53 |
| D55 | D57 | D60 | D61 | D65 | D68 | D75 | D80 | |
| D85 | D85A-12 | D87 | D90 | D95 | D135 | D155 | D155A-1 | |
| D155A-2 | D155A-3 | D155A-5 | D155AX-6 | D155AX-7 | D275 | D275A-2 | D275AX-5 | |
| D275AX-5EO | D355 | D355A-3 | D375A-2 | D375A-3 | D375A-5 | D375A-6 | D375A-8 | |
| D475A-2 | D475A-3 | D475A-5 | D475A-8 | D475A-8EO | D575A | D575A-2 | D575A-3 | |
| D65EX-12 | D65PX-12 | D61EX-15 | D61PX-15 | D61EX-24 | D61PX-24 | D37EX-21 | D37PX-21 | |
| D39EX-21 | D39PX-21 | D39EX-24 | D39PX-24 | D51EX-22 | D51PX-22 | D51EX-24 | D51PX-24 | |
| D85EX-15E0 | D85PX-15E0 | D85EX-18 | D85PX-18 | D155AX-8 | D155AXi-8 | D375A-8EO | D475A-8EO | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Conclusion
The Komatsu D85ESS-2 sprocket segment is engineered for reliable power transmission, superior wear resistance, and long-term durability in demanding bulldozer applications. With OEM-standard manufacturing, precision machining, and advanced heat treatment technology, it provides a dependable solution for undercarriage maintenance and replacement in construction, mining, and earthmoving industries.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
