High Quality Komatsu D65ex-12 Bulldozer Carrier Roller
The High Quality Komatsu D65EX-12 Bulldozer Carrier Roller is a durable undercarriage component designed to provide stable track support, smooth chain movement, and extended service life for Komatsu D65EX-12 bulldozers. As an important part of the crawler undercarriage system, the carrier roller supports the upper track chain, maintains proper track alignment, and improves overall machine stability during heavy-duty operations.
Manufactured from high-strength alloy steel, this Komatsu D65EX-12 Carrier Roller offers excellent wear resistance, impact durability, and strong load-bearing performance. Advanced forging and heat treatment processes enhance the hardness and toughness of the roller body, allowing it to withstand continuous pressure, vibration, and harsh working environments such as mining sites, construction projects, and earthmoving applications.
The D65EX-12 Bulldozer Carrier Roller is produced using precision machining technology to ensure accurate dimensions and reliable installation. The optimized roller design helps reduce friction between the roller and track chain, improving track efficiency and extending the service life of related undercarriage components. A high-performance sealing system protects internal parts from dust, mud, and contaminants, ensuring stable operation in difficult conditions.
Designed for demanding bulldozer applications, this carrier roller helps reduce maintenance frequency and improve machine productivity. It provides dependable support for pushing, grading, leveling, and heavy material handling tasks. The reinforced structure makes it an ideal replacement choice for worn or damaged upper rollers.
Each Komatsu D65EX-12 Carrier Roller undergoes strict quality control procedures, including material inspection, hardness testing, dimensional verification, and leakage testing. These processes ensure consistent quality and reliable aftermarket performance for global customers.
Xiamen Doozer supplies factory-direct excavator and bulldozer undercarriage parts with OEM-level quality and competitive prices. Our product range includes carrier rollers, track rollers, front idlers, sprockets, track chains, track shoes, bolts and nuts, and other crawler equipment parts.
| Parameter | Description |
|---|---|
| Product Name | Komatsu D65EX-12 Bulldozer Carrier Roller |
| Product Type | Upper Carrier Roller / Top Roller |
| Applicable Machine | Komatsu D65EX-12 Bulldozer |
| Application | Bulldozer Undercarriage System |
| Material | Forged Alloy Steel |
| Material Grade | 40Mn / 50Mn |
| Manufacturing Process | Forging + Heat Treatment + Precision Machining |
| Surface Hardness | HRC 52-58 |
| Feature | High Wear Resistance & Heavy Load Capacity |
| Performance | Stable Track Support & Smooth Operation |
| Sealing System | Floating Seal Structure |
| Compatibility | Komatsu D65EX-12 Series |
| Quality Standard | OEM Replacement Standard |
| Inspection | Hardness Test, Dimension Check, Leakage Test |
| Application Fields | Mining, Construction, Earthmoving |
| Packaging | Steel Pallet / Wooden Case |
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