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| Item | Specification |
|---|---|
| Part Number | 76887973 |
| Product Name | Track Shoe Link Assembly / Complete Track Assembly |
| Product Type | Undercarriage Component - Complete Track System |
| Compatible Machine Models | Komatsu PC3000 Mining Excavator |
| Track Type | Sealed & Lubricated Track (SALT) |
| Total Assembly Weight | 13,892 kgs (30,627 lbs) |
| Application | Complete track system for ultra-class mining excavator |
| Industry Focus | Surface Mining, Heavy Excavation, Overburden Removal |
Komatsu 76887973 track shoe assembly
PC3000 complete track assembly
Komatsu PC3000 undercarriage parts
13,892 kg track assembly for PC3000
Replacement track for Komatsu PC3000 excavator
PC3000 sealed lubricated track
Komatsu mining excavator track chain
The Komatsu 76887973 Track Shoe Link Assembly is a genuine OEM-specification complete undercarriage track system designed for the Komatsu PC3000 mining excavator. This complete track assembly includes the track links, pins, bushings, and track shoes - everything needed for a full track replacement.
The PC3000 is an ultra-class mining excavator used in large-scale surface mining, heavy excavation, and overburden removal. This track assembly features a sealed and lubricated track (SALT) design, which significantly extends undercarriage life by using internal grease lubrication and floating seals to keep contaminants out and reduce internal pin/bushing wear.
| Feature | Benefit |
|---|---|
| Complete Assembly | Ready-to-install track system - links, pins, bushings, and shoes included |
| Sealed & Lubricated Track (SALT) | Internal grease lubrication and floating seals reduce internal pin/bushing wear |
| Ultra-Heavy-Duty Construction (13,892 kg) | Built for the largest mining excavators |
| PC3000 Optimized | Specifically engineered for Komatsu PC3000 mining excavator |
| Extended Service Life | Lubricated design significantly outlasts dry track chains |
| Factory Assembled | Ensures proper alignment and tension |
| 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 |
| Track Type | Sealed & Lubricated (SALT) |
| Component | Part Number | Description |
|---|---|---|
| Idler | 42922340 | Front idler assembly (1,548.5 kg) |
| Sprocket | 67589940 | Drive sprocket |
| Top Roller | 42923040 | Carrier roller (117.7 kg) |
| Bottom Roller | 93665840 / 97221640 | Track roller (305 kg) |
Complete Assembly: This is a complete track system - ready to install
Lifting Requirement: Due to extreme weight (13,892 kg / 13.9 metric tons), specialized heavy lifting equipment is mandatory
Professional Installation: Requires trained personnel and appropriate heavy equipment
Track Tension: Set proper track sag (2-3% of center distance) according to Komatsu specifications
Regular Inspection: Monitor track wear, pin/bushing extension, and shoe condition periodically
Lubricated Track: No field lubrication required for sealed joints
| Condition | Action |
|---|---|
| New track - full pin/bushing life | Normal operation |
| Pin/bushing wear within spec | Continue monitoring |
| Pin/bushing wear exceeds spec | Replace track assembly |
| Track shoe wear exceeds spec | Replace shoes (if separate) |
| Broken links or pins | Replace immediately |
| Item | Detail |
|---|---|
| Part Number | 76887973 |
| Type | Track Shoe Link Assembly (Complete Track Assembly) |
| Track Type | Sealed & Lubricated |
| Weight | 13,892 kg per assembly |
| Compatibility | Komatsu PC3000 Mining Excavator |
| Packaging | Single assembly (crated) |
Note: This is a complete, ready-to-install track assembly for the Komatsu PC3000 ultra-class mining excavator. Due to its extreme weight (13,892 kg / 13.9 metric tons / 30,627 lbs), specialized heavy lifting equipment, transport trailers with adequate capacity, and professional installation are mandatory. Verify machine serial number and undercarriage configuration before ordering. The sealed and lubricated track design provides extended service life in the most demanding mining conditions.
