Product Description
Komatsu PC1250/PC1100 Mining Bucket Tooth 21N-72-14290RC
The Komatsu Mining Bucket Tooth 21N-72-14290RC is a high-quality replacement part designed for Komatsu PC1250 and PC1100 excavators. This rock chisel tooth tip is manufactured to meet the highest industry standards, ensuring durability and performance in demanding mining and construction applications.
Key Features:
- Part Number: 21N-72-14290RC
- Brand: Komatsu
- Description: Rock Chisel Bucket Tooth Tip
- Color: Yellow or others
- Weight: 50 kg
- Material: Alloy steel (30CrMnSi)
- Production Method: Casting and Forging
- Chemical Component: Please contact our sales team for detailed information.
- Hardness: HB 470-520
- Impact: ≥15J (25°C)
- Tensile Strength: ≥1450 Rm-N/mm²
- Yield Strength: ≥1100 Re-N/mm²
Compatible Models:
- Excavators: PC1000, PC1000SE, PC1000SP, PC1100, PC1100SE, PC1100SP, PC1250
Application:
- Environment: Suitable for rock, clay, sand, soil, gravel, and other materials.
- Machine Capacity: 1 ~ 120 tons
- Bucket Capacity: 0.1 ~ 15 m³
Quality Assurance:
- Certification: ISO9001:2008
- Quality Control: Strict quality control during production, including IQC, DQC, IPQC, FQC, and OQC.
- Final Check: Final inspection before shipping to ensure no issues.
Part No. | 21N-72-14290RC Bucket Tooth |
Weight | 50 kg |
Replacement Brand | Komatsu |
Material | High spec alloy steel |
Color | Yellow, black |
Process | Investment casting / Lost wax casting / sand casting / forged / forging |
Tensile Strength | ≥1400Rm-N/mm² |
Shock | ≥20J |
Hardness | 48-52HRC |
Certification | ISO9001:2008 |
Packaging & Delivery
Package Size | 10X20X30 cm |
Package Gross Weight | 50 kg |
Product details

