D5 Bulldozer Spare Parts Drive Sprocket Segment fit Caterpillar Dozer
Heavy-duty drive sprocket segments designed for Caterpillar D5 bulldozers. Made from forged alloy steel and heat-treated to HRC 52–58, they ensure precise tooth engagement, superior wear resistance, and long-term undercarriage performance in tough working environments.
| Material | 40Mn2/35MnBH |
|---|---|
| Surface Hardness | HRC52-58 |
| 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 drive sprocket segment is one of the most crucial components in the Caterpillar D5 bulldozer’s undercarriage system. Its function is to transmit engine power through the final drive into the track chain, propelling the entire machine forward or backward. Each segment must endure tremendous torque, impact, and abrasive contact with the track links, making material quality and heat treatment essential for durability.
Our Caterpillar D5 drive sprocket segments are engineered to deliver superior power transmission, extended wear life, and precise engagement with the track links. Every unit is manufactured using advanced forging and machining techniques to meet or exceed OEM standards, ensuring compatibility with D5N, D5M, and D5H bulldozers.
Material and Manufacturing Excellence
To withstand the extreme working conditions of dozer operations, each segment is made from high-strength alloy steel, carefully selected for its mechanical properties and resistance to surface fatigue.
Key Manufacturing Features:
- Forged Alloy Steel Body: Forged under high temperature to eliminate internal defects and enhance grain structure uniformity.
- Precision Machining: Every tooth profile is CNC-machined for accurate pitch engagement, ensuring smooth interaction with the track chain and reducing noise or vibration during motion.
- Induction Hardening: Tooth surfaces are hardened to HRC 52–58, giving them excellent resistance to wear and pitting while maintaining a ductile core to absorb shock loads.
- Shot Blasting & Surface Finishing: Enhances fatigue resistance and creates a clean, corrosion-protected surface finish.
This precise metallurgical balance guarantees that the sprocket segments maintain their shape and performance even under the heaviest dozing or ripping conditions.
Design Features and Functional Advantages
Unlike welded or monolithic sprockets, the segmental sprocket design of the Caterpillar D5 allows for easier installation, replacement, and maintenance without disassembling the track frame.
Advantages include:
- Easy Maintenance: Each segment can be individually replaced, minimizing downtime.
- Perfect Tooth Geometry: Engineered for exact fitment with CAT D5 track links, preventing premature chain wear.
- Optimized Load Distribution: Uniform tooth spacing reduces stress concentration on chain bushings and pins.
- High Impact Resistance: Tempered steel core prevents tooth cracking under heavy loads.
- Corrosion-Resistant Coating: Extends service life, especially in muddy or saline environments.
This combination of design precision and metallurgical control ensures smooth power delivery and longer service intervals for the entire undercarriage assembly.
Production Process
Each sprocket segment undergoes a controlled, multi-step manufacturing process to ensure quality consistency:
- Material Selection & Forging – High-quality alloy steel billets are heated and forged into segment blanks for structural density.
- CNC Machining – Each tooth is cut and shaped with micron-level accuracy to guarantee precise chain pitch matching.
- Induction Hardening – The tooth area is selectively heat-treated for surface hardness while retaining a tough, flexible core.
- Shot Blasting – Improves surface strength and removes impurities.
- Painting & Anti-Rust Treatment – Adds long-term corrosion protection.
- Final Inspection – Dimensional and hardness tests ensure every piece meets CAT’s OEM specifications.
Every finished sprocket segment is subjected to hardness verification, runout tests, and chain fit simulations, ensuring it performs flawlessly in real-world conditions.
Tooth Rough Machining
The sprocket blank is machined on a CNC lathe or gear hobbing machine to form the basic tooth profile.
Inner Ring Installation & Precision Machining
The inner ring is inserted and the entire part is precisely machined to ensure concentricity and dimensional accuracy.
Drilling
Mounting and lubrication holes are drilled to meet the installation and functional requirements.
Tooth Grinding & Finishing
After heat treatment, the sprocket teeth are ground or polished to remove burrs and ensure smooth engagement.
Surface Cleaning
The sprocket undergoes surface cleaning, removing scale and residue, preparing it for surface treatment.
Painting & Final Coating
The sprocket is coated with durable industrial paint (available in various colors), providing corrosion resistance and a clean, professional appearance.
Compatibility & OEM References
Our drive sprocket segments are designed specifically for Caterpillar D5 series bulldozers and are compatible with multiple models, including:
- D5, D5B, D5C, D5H, D5M, D5N
We also provide customization and technical matching services for other Caterpillar models or aftermarket upgrades. Please feel free to contact us if needed.
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| CATERPILLAR | D3 | D3C | D3K | D3K2 | D4 | D4C | D4H | D4K2 |
| D5 | D5B | D5C | D5H | D5K | D5K2 | D5LGP | D5N | |
| D5R | D6 | D6B | D6C | D6D | D6G | D6H | D6K | |
| D6K2 | D6M | D6N | D6R | D6T | D6XE | D7 | D7E | |
| D7G | D7H | D7R | D7R II | D7T | D8 | D8H | D8K | |
| D8L | D8N | D8R | D8T | D9 | D9G | D9H | D9N | |
| D9R | D9T | D10 | D10N | D10R | D10T | D10T2 | D11 | |
| D11N | D11R | D11T | D11T CD | D11T2 | D3XL | D5XL | D6XL | |
| D6LGP | D7LGP | D8LGP | D9LGP | D5C LGP | D4G XL | D6G2 | D5G | |
| D3G | D3C III | D4E | D5E | D6E | D6S | D8S | D10S | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Performance & Durability Testing
Every batch of D5 sprocket segments is tested under simulated operating loads to ensure they meet our strict quality standards. Testing includes:
- Hardness Uniformity Test (HRC 52–58)
- Tooth Profile Wear Simulation (5,000 cycles)
- Fitment Check with Track Chain Assembly
- Corrosion Resistance and Fatigue Testing
Through this rigorous quality control, each sprocket segment delivers consistent engagement, minimal slippage, and extended working hours—significantly reducing maintenance costs over time.
Field Application
The Caterpillar D5 sprocket segments are widely used in:
- Earthmoving and grading operations
- Quarry and mining projects
- Forestry and agricultural dozers
- Heavy construction sites
Their enhanced wear life and impact toughness ensure optimal machine traction even in abrasive or rocky environments, making them a reliable replacement option for heavy-duty field applications.
Why Choose Our Products
We specialize in OEM-quality undercarriage parts for bulldozers and excavators, offering consistent precision and durability across all Caterpillar series.
With more than 15 years of industry expertise, we guarantee:
- High-tolerance CNC machining and heat treatment
- Strict hardness and fitment inspections
- Comprehensive model compatibility
- Professional packaging and global shipping service
Our sprocket segments are trusted by dealers, contractors, and equipment rental fleets worldwide for their long wear life and dependable performance in the toughest working environments.
Conclusion
The Caterpillar D5 Drive Sprocket Segment is a result of precision engineering, quality material selection, and meticulous heat treatment. Designed to transmit high torque efficiently while minimizing wear on the track chain, it is an essential part of maintaining the power and balance of your D5 bulldozer. Whether you operate in construction, mining, or forestry, this sprocket segment ensures reliability, durability, and performance that matches your expectations of a genuine CAT undercarriage component.
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.
