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| Item | Specification |
|---|---|
| Part Number | 67589940 |
| Product Name | Sprocket / Drive Sprocket |
| Product Type | Undercarriage Component |
| Compatible Machine Models | Komatsu PC3000 Mining Excavator |
| Material | High-strength alloy steel, induction-hardened teeth |
| Application | Drives the track chain for machine propulsion |
| Industry Focus | Surface Mining, Heavy Excavation, Overburden Removal |
Komatsu 67589940 sprocket
PC3000 drive sprocket
Komatsu PC3000 undercarriage parts
Replacement sprocket for PC3000 excavator
Komatsu mining excavator drive sprocket
PC3000 track sprocket
The Komatsu 67589940 Sprocket (Drive Sprocket) is a genuine OEM-specification undercarriage component designed for the Komatsu PC3000 mining excavator. This sprocket is a critical drivetrain component that engages with the track bushings to propel the machine.
The PC3000 is an ultra-class mining excavator used in large-scale surface mining, heavy excavation, and overburden removal. This sprocket features precision-machined tooth profiles for optimal engagement with the track chain, ensuring efficient power transfer from the final drive to the undercarriage. Manufactured from high-strength alloy steel with induction-hardened teeth, it provides maximum durability in severe mining conditions.
| Feature | Benefit |
|---|---|
| Induction-Hardened Teeth | Exceptional wear resistance and extended service life |
| Precision-Machined Profile | Optimal engagement with track bushings for smooth operation |
| High-Strength Alloy Steel | Maximum durability for ultra-class mining applications |
| PC3000 Optimized | Specifically engineered for Komatsu PC3000 mining excavator |
| Direct OEM Replacement | Guaranteed fit and performance |
| Specification | Detail |
|---|---|
| Machine Model | Komatsu PC3000 Mining Excavator |
| Machine Type | Ultra-Class Mining Excavator |
| Operating Weight | ~280,000 - 300,000 kg |
| Bucket Capacity | ~16.0 - 22.0 m³ |
| Engine Power | ~1,200 - 1,400 HP |
| Position | Final drive sprocket |
| Component | Description |
|---|---|
| Track Assembly | Complete track system |
| Idler | Front idler assembly |
| Top Roller | Carrier roller assembly |
| Bottom Roller | Lower track roller |
Tooth Inspection: Regularly inspect sprocket teeth for wear; replace when teeth become hook-shaped or worn
Lifting Requirement: Due to significant weight, specialized heavy lifting equipment is required
Bolt Torque: Follow Komatsu OEM specifications for mounting bolt torque
Alignment: Ensure proper alignment with track chain to prevent premature wear
Track Tension: Maintain proper track tension to extend sprocket and chain life
Replacement: Replace sprocket when tooth wear exceeds OEM specifications
| Condition | Action |
|---|---|
| New teeth - sharp profile | Normal operation |
| Moderate wear - rounded profile | Monitor regularly |
| Hook-shaped teeth | Replace immediately |
| Broken teeth | Replace immediately |
| Loose mounting bolts | Retorque immediately |
| Item | Detail |
|---|---|
| Part Number | 67589940 |
| Type | Sprocket / Drive Sprocket |
| Compatibility | Komatsu PC3000 Mining Excavator |
| Packaging | Individual crate |
Note: This is a drive sprocket for the Komatsu PC3000 ultra-class mining excavator. Verify machine serial number and undercarriage configuration before ordering. Due to significant weight, specialized heavy lifting equipment and professional installation are required. Regular inspection of sprocket teeth is recommended to prevent track chain damage. For complete undercarriage service, consider replacing sprockets and track chains as a set.
