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21N-939-5250
| Availability: | |
|---|---|
| Item | Specification |
|---|---|
| Part Number | 21N-939-5250 |
| Alternative Part Number | 21N9395250 |
| Product Name | Backhoe Excavator Bucket / Shovel Bucket |
| Product Type | Excavator Bucket Assembly |
| Compatible Machine Models | Komatsu PC1250-11R, PC2000-8 Mining Excavators |
| Bucket Type | Backhoe / Shovel Bucket |
| Capacity | 7.1 cubic meters (9.3 cubic yards) |
| Total Bucket Weight | 7,200 kgs (15,873 lbs) |
| Material | High-strength, abrasion-resistant steel |
| Application | Heavy-duty excavation, mining, quarrying, overburden removal |
| Industry Focus | Surface Mining, Heavy Excavation, Quarrying, Overburden Removal |
Komatsu 21N-939-5250 bucket
PC1250-11R excavator bucket
PC2000-8 shovel bucket
7.1 m³ mining bucket for Komatsu
7200 kg excavator bucket
Replacement bucket for PC1250-11R
Komatsu mining excavator bucket
PC2000-8 heavy duty bucket
The Komatsu 21N-939-5250 Backhoe Excavator Bucket is a genuine OEM-specification bucket designed for the Komatsu PC1250-11R and PC2000-8 mining excavators. This heavy-duty shovel bucket is specifically engineered for demanding excavation, mining, and quarrying applications, offering exceptional durability and productivity.
The PC1250-11R and PC2000-8 are large mining excavators used in surface mining, heavy excavation, quarrying, and overburden removal. This 7.1 m³ capacity bucket is manufactured from high-strength, abrasion-resistant steel to withstand the most demanding conditions.
| Feature | Benefit |
|---|---|
| 7.1 m³ Capacity | High productivity with efficient material handling |
| Backhoe / Shovel Design | Optimized for heavy excavation and mining |
| Heavy-Duty Construction (7,200 kg) | Built for demanding mining conditions |
| Abrasion-Resistant Steel | Extended bucket life in abrasive materials |
| PC1250-11R / PC2000-8 Optimized | Specifically engineered for Komatsu mining excavators |
| Reinforced Structure | Maximum durability in severe applications |
| Direct OEM Replacement | Guaranteed fit and performance |
| Specification | PC1250-11R | PC2000-8 |
|---|---|---|
| Operating Weight | ~110,000 - 120,000 kg | ~200,000 - 210,000 kg |
| Bucket Capacity | ~6.0 - 8.0 m³ | ~12.0 - 15.0 m³ |
| Engine Power | ~600-700 HP | ~800-900 HP |
| Application | Surface mining, quarrying | Surface mining, overburden |
| Parameter | Detail |
|---|---|
| Capacity (Struck) | 7.1 m³ (9.3 yd³) |
| Bucket Weight | 7,200 kg |
| Bucket Type | Backhoe / Shovel |
| Material | High-strength abrasion-resistant steel |
| GET System | Compatible with Komatsu tooth system |
| Application | Description |
|---|---|
| Hard Rock Mining | Excavation of blasted rock and ore |
| Quarrying | Aggregate and dimension stone extraction |
| Overburden Removal | Stripping of material above deposits |
| Heavy Construction | Large-scale earthmoving projects |
| Component | Description |
|---|---|
| Bucket Teeth | Ground engaging tools for digging |
| Adapters | Mounting points for teeth |
| Wear Protection | Lip shrouds, heel shrouds, side bars |
| Pin Assembly | Bucket attachment pins for machine connection |
Lifting Requirement: Due to extreme weight (7,200 kg / 7.2 metric tons), specialized heavy lifting equipment is mandatory
Professional Installation: Requires trained personnel and appropriate heavy equipment
Pin Alignment: Ensure proper alignment with excavator arm bucket pins
Regular Inspection: Check bucket structure, wear plates, and GET components periodically
Wear Monitoring: Monitor bucket wear and replace wear components as needed
| Condition | Action |
|---|---|
| New bucket - full wear profile | Normal operation |
| Moderate wear plate wear | Monitor regularly |
| Excessive wear (holes or thinning) | Replace wear plates |
| Structural cracks | Repair or replace bucket |
| Worn GET components | Replace teeth and adapters |
| Item | Detail |
|---|---|
| Part Number | 21N-939-5250 / 21N9395250 |
| Type | Backhoe Excavator Bucket / Shovel Bucket |
| Capacity | 7.1 m³ |
| Weight | 7,200 kg per assembly |
| Compatibility | Komatsu PC1250-11R, PC2000-8 |
| Includes | Bucket assembly with GET mounting provisions |
| Packaging | Single assembly (crated) |
Note: This is a complete backhoe excavator bucket for the Komatsu PC1250-11R and PC2000-8 mining excavators with 7.1 m³ capacity. Due to its extreme weight (7,200 kg / 7.2 metric tons / 15,873 lbs), specialized heavy lifting equipment, transport trailers with adequate capacity, and professional installation are required. Verify machine serial number, arm configuration, and pin sizes before ordering. Bucket teeth and adapters may be ordered separately.
