Description
Komatsu 6D125-3 Diesel Engine Assembly Overview
The Komatsu 6D125-3 Diesel Engine Assembly (OEM Part Numbers: 6D125-3, SAA6D125E-3, 6152-11-1100, 6152-01-1000) manufactured by Tatan is an 11.04L 6-cylinder turbocharged HPCR common rail engine belonging to our Diesel Engine Assembly classification. Engineered specifically for Komatsu PC400-7, PC400LC-7, PC450-7, and PC450LC-7 40-to-45 ton mining excavators, replacing your worn engine with a Tatan complete 6D125-3 assembly eliminates machine downtime, excessive blow-by, and severe hydraulic power loss instantly.
Built strictly according to original OEM specifications, this complete engine assembly comes pre-assembled with HPCR high-pressure common rail fuel system, turbocharger, starter motor, and alternator, ensuring 100% direct bolt-on fitment with hydraulic pump couplings and mounting brackets.
Key Attributes & Parameters for Komatsu 6D125-3 Diesel Engine Assembly
| Product Category | Diesel Engine Assembly | Warranty | 1 Year / 12 Months |
| Specific Engine Model | Komatsu 6D125-3 / SAA6D125E-3 Engine | Brand Name | Tatan |
| Compatible Equipment | Komatsu PC400-7 | PC450-7 | OEM Part Number | 6D125-3 / 6152-11-1100 |
| Engine Displacement | 11.04 Liters (11040 cc / 11.0L) | Cylinder Arrangement | 6 Cylinders Inline (I-6) 4-Stroke |
| Horsepower & RPM | 235-265 kW (315-355 HP) @ 1800-2100 | Cooling System | Water-Cooled / Liquid Cooled |
| Fuel Injection System | High-Pressure Common Rail (HPCR) | Aspiration Type | Turbocharged & Charge Air Intercooled |
| Machinery Test Report | Provided (100% Dyno Tested) | Video Outgoing-Inspection | Provided Before Shipping |
| Quality Status | 100% Brand New Engine | Packaging | Export Wooden Box Packaging |
Supported Machinery Brands & Engine Parts Coverage
In addition to Komatsu, Tatan manufactures replacement complete diesel engines and overhaul components for leading machinery brands:
Application Scenarios & Buyer Value
When upgrading or replacing your 40-to-45 ton mining excavator engine with our Komatsu 6D125-3 Diesel Engine Assembly, buyers achieve maximum operational uptime and power efficiency:
| Application Scenario | Value Delivered to Buyer |
|---|---|
| Komatsu PC400-7 / PC450-7 Engine Swap | Complete engine swap cuts machine repair downtime by up to 70% compared to internal rebuilding. |
| Excavator Overhaul Workshops | Eliminates tedious common rail timing, liner honing, and crank fitting; saves mechanic labor hours. |
| Engine Distributors & Stockists | High-demand 11.0L HPCR mining excavator engine ready for immediate resale to plant hire fleets and mining networks. |
| Rental Fleet Maintenance | Extends 40-to-45 ton excavator working lifespan and restores full digging hydraulic torque under load. |
Komatsu 6D125-3 Diesel Engine Assembly OEM Diagnostic Guide
Use this OEM manual diagnostic guide to troubleshoot operational engine symptoms on your Komatsu 40-ton mining excavator:
| Engine Symptom | Technical Cause Analysis | Tatan Factory-Grade Solution |
|---|---|---|
| 1. Hard starting & Common Rail Error Code (E02 / P0087) | Common rail injector back-leakage, SCV valve sticking, or high-pressure fuel pump supply failure. | Replace with Tatan complete 6D125-3 engine assembly featuring pre-calibrated HPCR common rail injection system. |
| 2. Severe power loss & black smoke under heavy digging | Turbocharger actuator failure, intercooler pipe air leak, or clogged common rail fuel injectors. | Inspect turbo boost pressure (>1.4 bar), or swap to a Tatan factory pre-tested 6D125-3 complete engine. |
| 3. High engine oil consumption & heavy crankcase blow-by | Scored 11.0L cylinder liners, stuck oil rings, or valve stem seal wear allowing engine oil into combustion chambers. | Install Tatan new 6D125-3 complete engine; flush engine oil gallery and replace oil filter. |
| 4. Engine overheating & coolant surge into expansion tank | Water pump impeller erosion, clogged radiator core, or cylinder head gasket leaking combustion gas into cooling jacket. | Replace thermostat (82°C), flush cooling system, or swap to a new 6D125-3 complete engine assembly. |
Transport Packaging & Fast Global Shipping
To ensure 100% damage-free international transport, every Tatan Komatsu 6D125-3 engine assembly undergoes anti-rust oiling, waterproof plastic sealing, and solid export wooden box packaging.
✈️ Express Air Courier
Partnered with DHL, FedEx, UPS, and TNT for express door-to-door delivery worldwide.
🚢 Sea Cargo Freight
LCL and FCL ocean container shipping for heavy engine assemblies and bulk orders.
📦 Export Wooden Cases
Fumigated solid wooden boxes with thick shockproof foam lining for maximum safety.
Quality Control & International Certificates
Tatan diesel engines are manufactured under ISO 9001 quality management systems and strictly comply with CE safety standards.
Komatsu 6D125-3 Engine FAQ & Related Categories
* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.
Reviews
There are no reviews yet.