Komatsu 6D125 Engine Main Bearing 6150-21-8010 for PC400-8 Excavator Crankshaft Bearing Replacement
| Cylinder diameter matching | 125mm |
| Material structure | Multi-layer alloy |
| Material | Multi-layer alloy bearing |
| Surface treatment | Anti-wear coating, precision grinding |
| Lubrication method | Oil lubrication, with oil holes/grooves |
| Cylinder compatibility | 6-cylinder engine |
| Quantity per machine | 14 pieces |
Features and Advantages
• Precise OEM Matching — Directly replaces original parts
• High Wear-Resistant Alloy — Multi-layer structure, strong fatigue resistance
• Optimized Lubrication — Oil hole and groove design, stable oil film
• High Load Capacity — Supports high temperature, high pressure, and heavy-duty conditions
• Extended Lifespan — Reduces friction and wear, protects the crankshaft
Product Showcase
6150-21-8010 Main Bearing 6D125 Engine (Actual Image) Komatsu S6D125 Crankshaft Bearing 6150-21-8010 (Suitable for PC400-8)

Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
| Engine Rebuild Kit | Turbochargers | Engine Diesel Pumps | Engine Controllers (ECU) |
| Cylinder Blocks | Cylinder Heads | Water Pumps | Injectors |
| Starter Motors | Filters | Other Engine Accessories | Excavator Hydraulic Pumps |
| Swivel Components | Distributor Valves | Travel Motor Assemblies | Chassis Components and Other Accessories |



• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


