Description
Komatsu SAA4D95LE-3 Diesel Engine Assembly Overview
The Komatsu SAA4D95LE-3 Diesel Engine Assembly (OEM Part Numbers: SAA4D95LE-3, 6204-11-1100, 6204-11-1020, 6204-01-1000) manufactured by Tatan is a 3.26L 4-cylinder turbocharged water-cooled engine belonging to our Diesel Engine Assembly classification. Specially designed to fit Komatsu PC60-7, PC78US-6 excavators, WA120-3, WA150-5 wheel loaders, and D31EX-21, D37EX-21 dozers, replacing your worn engine with a Tatan complete SAA4D95LE-3 assembly eliminates equipment 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 high-pressure fuel injection pump, turbocharger, starter motor, and alternator, ensuring 100% direct bolt-on fitment with hydraulic pump couplings and engine mount brackets.
Key Attributes & Parameters for Komatsu SAA4D95LE-3 Diesel Engine Assembly
| Product Category | Diesel Engine Assembly | Warranty | 1 Year / 12 Months |
| Specific Engine Model | Komatsu SAA4D95LE-3 Engine | Brand Name | Tatan |
| Compatible Equipment | Komatsu PC78US | WA150 | D31EX | OEM Part Number | SAA4D95LE-3 / 6204-11-1100 |
| Engine Displacement | 3.26 Liters (3260 cc / 3.3L) | Cylinder Arrangement | 4 Cylinders Inline (I-4) 4-Stroke |
| Horsepower & RPM | 45-74 kW (60-99 HP) @ 2200-2500 | Cooling System | Water-Cooled / Liquid Cooled |
| Fuel Injection System | High-Pressure Common Rail (HPCR) / Mechanical | 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 excavator, loader, or bulldozer engine with our Komatsu SAA4D95LE-3 Diesel Engine Assembly, buyers achieve maximum operational uptime and power efficiency:
| Application Scenario | Value Delivered to Buyer |
|---|---|
| Komatsu PC78US / WA150 Engine Swap | Complete engine swap cuts machine repair downtime by up to 70% compared to internal rebuilding. |
| Komatsu D31EX / D37EX Dozer Overhaul | Restores original blade pushing torque and track drive pulling capacity under heavy earthmoving loads. |
| Engine Distributors & Stockists | High-demand 3.3L multi-equipment engine ready for immediate resale to excavator, loader, and dozer fleets. |
| Rental Fleet Maintenance | Extends 6-to-8 ton equipment working lifespan and restores full hydraulic performance across construction fleets. |
Komatsu SAA4D95LE-3 Diesel Engine Assembly OEM Diagnostic Guide
Use this OEM manual diagnostic guide to troubleshoot operational engine symptoms on your Komatsu equipment:
| Engine Symptom | Technical Cause Analysis | Tatan Factory-Grade Solution |
|---|---|---|
| 1. Hard cold starting & dense white smoke | Fuel injection timing retarded or low cylinder compression (<2.8 MPa) due to worn piston rings in 4 cylinders. | Adjust injection pump timing or replace with Tatan complete SAA4D95LE-3 engine assembly. |
| 2. Severe power loss under heavy digging or dozer pushing | Turbocharger wastegate failure leading to low boost (<1.1 bar) or fuel injection pump governor spring fatigue. | Inspect turbocharger boost pressure or swap to a Tatan factory pre-tested SAA4D95LE-3 engine. |
| 3. High engine oil consumption & heavy crankcase blow-by | Scored 3.3L cylinder liners, stuck oil rings, or valve stem seal wear allowing engine oil into combustion chambers. | Install Tatan new SAA4D95LE-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 SAA4D95LE-3 complete engine assembly. |
Transport Packaging & Fast Global Shipping
To ensure 100% damage-free international transport, every Tatan Komatsu SAA4D95LE-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 SAA4D95LE-3 Engine FAQ & Related Categories
* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.








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