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Product Details
Product Overview
This listing offers an Original New 6BT5.9 Complete Engine Assembly, specifically designed as a direct replacement for the Cummins B-Series platform used in heavy-duty excavator and truck applications. The engine is identified by the critical model numbers 6BT5.9 and 6D102, ensuring precise identification for your rebuild or replacement project.
As a genuine, new unit, this engine assembly provides a factory-matched solution for equipment requiring the 6BT architecture. It is commonly used for powering excavators and medium-duty trucks where reliability and torque are paramount. This complete assembly is ready for installation, offering a direct swap to minimize downtime.
Please verify your existing engine’s serial number and model plate to confirm that this 6BT5.9 assembly matches your specific application before purchase.
Key Features & Benefits
Genuine 6BT5.9 Platform: Built to original OEM specifications for the Cummins B-Series 5.9L engine, ensuring a perfect mechanical fit and performance match.
Complete Assembly: Supplied as a full long-block engine, simplifying procurement and reducing the complexity of sourcing individual components.
High Torque Output: Designed for the demanding low-end torque requirements of excavator hydraulic systems and heavy truck hauling.
Direct Fitment Confidence: Identified by the specific model numbers 6BT5.9 and 6D102, allowing for quick cross-referencing with your existing engine data.
Industrial Durability: Manufactured with heavy-duty components suitable for continuous operation in construction and mining environments.
Reduced Downtime: A complete, new engine minimizes the need for core handling and complex rebuild procedures, getting your equipment back to work faster.
Technical Specifications
Specification
Detail
Part Number / Model
6BT5.9 / 6BT
Engine Family
Cummins B-Series
Displacement
5.9 Liters
Cylinders
6 (Inline)
Applicable Model
6D102
Condition
Genuine / New
Place of Origin
China
Warranty
6 Months
Application
Excavator, Truck
OEM Cross-Reference
This 6BT5.9 engine assembly is a direct replacement for the following OEM and reference numbers. Please confirm your specific engine serial number for compatibility.
Cummins Model Numbers: 6BT5.9, 6BTA5.9, 6BTAA5.9
Engine Code: 6D102
Base Engine Model: 6BT
Common Reference: 5.9L 6BT Turbo Diesel
Compatibility
This engine is commonly used for the following applications. Always verify with your equipment’s engine model plate.
Excavators: Various models from Komatsu, Hitachi, Hyundai, Doosan, and other OEMs that utilize the Cummins 6BT5.9 power plant.
Trucks: Medium-duty trucks and bus chassis requiring a 6BT5.9 engine.
Industrial Equipment: Generator sets, compressors, and other industrial machinery powered by the 6BT engine family.
Global Supply & Distribution
We specialize in the global supply of heavy-duty diesel engine components. Our logistics network supports worldwide shipping to major industrial centers, ports, and job sites.
Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Singapore, Indonesia), Middle East (UAE, Saudi Arabia), Africa (South Africa, Nigeria).
Shipping Options: Sea freight (FCL/LCL) to major ports, air freight for urgent needs, and express courier for smaller components.
Export Experience: We handle all international trade documentation, customs clearance support, and ensure compliance with export regulations to deliver your engine safely and efficiently.
Quality Assurance
Manufacturing Standards: Produced in ISO-certified facilities, adhering to stringent quality control processes for dimensional accuracy and material integrity.
Testing: Each engine assembly undergoes functional testing to ensure proper oil pressure, compression, and rotation before shipment.
Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
Condition: Guaranteed as a genuine, new unit, not a remanufactured or used core.
FAQ
Q: How can I confirm this 6BT5.9 engine will fit my excavator? A: The most reliable method is to check the engine model plate on your current engine. It must clearly state “6BT5.9” or “6D102”. Additionally, verify the engine serial number prefix. This engine is a direct replacement for the mechanical or early electronic versions of the 6BT platform. If your engine is a different variant (e.g., 6CT or 4BT), this unit will not fit.
Q: Is this a complete “drop-in” engine, or do I need to transfer parts? A: This is a complete engine assembly (long block). You will need to transfer external components from your old engine, such as the fuel injection pump, injectors, turbocharger, alternator, starter, and intake/exhaust manifolds. We recommend using new gaskets and seals during the transfer for best results.
Q: What maintenance is required before installation? A: Before starting the engine for the first time, you must: 1. Fill the engine with the correct grade of diesel engine oil and a new filter. 2. Fill the cooling system with the proper coolant mixture. 3. Pre-lubricate the turbocharger (if equipped) by pouring clean oil into the oil inlet. 4. Prime the fuel system to remove air. 5. Crank the engine with the fuel shut-off engaged until oil pressure registers on the gauge before allowing it to start. This ensures all bearings are lubricated.
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