Description
6BT5.9 4089758 Engine Assembly Overview
The 6BT5.9 4089758 Engine Assembly (OEM Part Numbers: 6BT5.9, 4089758, 3907262, 3928159) manufactured by Tatan is a 5.88L 6-cylinder turbocharged water-cooled diesel engine belonging to our Diesel Engine Assembly classification. Specifically built to solve chronic power drop and heavy blow-by issues on Komatsu PC200-6 and PC210-6 20-ton excavators, installing a Tatan complete 6BT5.9 4089758 Engine Assembly cuts your machine repair downtime by up to 70% compared to tedious internal overhauls.
Engineered precisely to original Komatsu/Cummins specifications, this unit arrives fully assembled with mechanical fuel injection, Holset turbocharging systems, and electrical components for immediate drop-in replacement.
Key Attributes & Parameters for 6BT5.9 4089758 Engine Assembly
| Product Category | Diesel Engine Assembly | Warranty | 1 Year / 12 Months |
| Specific Engine Model | Cummins 6BT5.9 / Komatsu S6D102 Engine | Brand Name | Tatan |
| Compatible Equipment | Komatsu PC200-6 | PC210-6 Excavator | OEM Part Number | 6BT5.9 / 4089758 |
| Engine Displacement | 5.88 Liters (5880 cc / 5.9L) | Cylinder Arrangement | 6 Cylinders Inline (I-6) 4-Stroke |
| Horsepower & RPM | 97-132 kW (130-180 HP) @ 2200-2500 | Cooling System | Water-Cooled / Liquid Cooled |
| Fuel Injection System | Direct Injection Mechanical PE/VE Pump | Aspiration Type | Turbocharged & Charge Air Cooled |
| 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 resolving serious engine failure or undertaking a major refit on your 20-ton excavator, investing in our 6BT5.9 4089758 Engine Assembly brings immediate operational ROI:
| Application Scenario | Value Delivered to Buyer |
|---|---|
| Komatsu PC200-6 Fleet Emergency Swap | Avoid weeks of waiting for machine component machining; swap in a pre-tested unit and resume job-site operations in days. |
| Professional Repair Workshops | Provide your clients with a bulletproof, turnkey engine replacement backed by a full 1-year warranty. |
| Heavy Equipment Parts Distributors | Stock high-velocity Komatsu 5.9L engine assemblies to capture lucrative local contractor orders. |
| Contractor Project Sites | Restore full hydraulic pump coordination and high-altitude breakout force under heavy load. |
6BT5.9 4089758 Engine Assembly OEM Diagnostic Guide
Use this professional diagnostic reference when evaluating engine health on Komatsu PC200-6 machines:
| Engine Symptom | Technical Cause Analysis | Tatan Factory-Grade Solution |
|---|---|---|
| 1. Hard Cold Starting & Dense White Smoke | Mechanical injection pump timing retarded or low compression (<2.8 MPa) due to ring wear. | Adjust injection pump timing or replace with Tatan 6BT5.9 4089758 Engine Assembly. |
| 2. Severe Power Loss & Black Smoke under Load | Turbocharger boost pressure drop (<1.1 bar) or clogged intercooler piping. | Inspect turbocharger actuator or upgrade directly to a factory-tested complete engine. |
| 3. Excessive Oil Consumption & Crankcase Blow-by | Scored cylinder liners, stuck piston rings, or valve stem seal wear letting oil pass into cylinders. | Replace with a brand-new Tatan complete engine assembly to completely bypass messy internal overhauls. |
| 4. Coolant Boiling & Pressure Surge in Expansion Tank | Blown cylinder head gasket from thermal overload or cracked cylinder head web passing combustion gas. | Swap out the compromised core with our pressure-tested, ready-to-run factory engine assembly. |
Transport Packaging & Fast Global Shipping
Every Tatan engine assembly is securely mounted onto reinforced wooden pallets, sealed in anti-moisture barrier bags, and encased in heavy fumigated timber crates for international transport protection.
✈️ Express Air Courier
Partnered with DHL, FedEx, UPS, and TNT for express urgent parts 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 strict ISO 9001 quality frameworks and comply with international machinery export criteria.
6BT5.9 4089758 Engine FAQ & Related Categories
* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.
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