NT855 Diesel Engine Hydraulic Pump 3655233 for Generator/Ship/Truck

Product Details

Product Overview

This offering presents a genuine NT855 series diesel engine hydraulic pump, identified by the OEM part number 3655233. Sourced from the renowned Engine Company () manufacturing facility in Chongqing, China, this pump is a critical component for fuel delivery in heavy-duty applications. It is a direct replacement part designed for engines commonly used in power generation, marine propulsion, and over-the-road trucking.

The 3655233 hydraulic pump is engineered to meet the rigorous demands of continuous operation, ensuring reliable fuel pressure and flow to the injection system. As a genuine OEM component, it guarantees the same specifications and performance standards as the original equipment installed on the engine assembly line. This part is essential for maintaining the horsepower and torque output range of 185-2220 HP, typical for the NT855 platform.

For fleet managers and maintenance professionals, sourcing a confirmed genuine pump like the 3655233 is vital for minimizing downtime and ensuring long-term engine health. This part is specifically designed for the mechanical PT (pressure-time) fuel system found on NT855 engines, a system known for its durability and field-serviceability.

Key Features & Benefits

• Genuine OEM Quality: This is a factory-sourced component from (Chongqing Engine Company), ensuring 100% fit, form, and function as per original design specifications.
• Precise Identification: The part is stamped with number 3655233 and cross-references to Kw number 205-1657, allowing for accurate identification and eliminating ordering errors.
• Reliable Fuel Delivery: Designed to maintain optimal fuel pressure and volume for the NT855 engine’s PT fuel system, critical for fuel economy and combustion efficiency across the 185-2220 HP range.
• Heavy-Duty Construction: Manufactured from high-grade materials to withstand the high pressures and constant operation found in generator sets, marine engines, and heavy trucks.
• Direct Replacement: A bolt-on component that requires no modifications for installation, significantly reducing labor time and complexity during engine overhaul or repair.
• Extended Service Life: Built to endure thousands of hours of operation, reducing the frequency of replacements and overall maintenance costs.
• Global Application: Suitable for a wide range of industrial equipment where the NT855 engine is the prime mover.

Technical Specifications

OEM Cross-Reference

This hydraulic pump is a direct OEM part. Use the following numbers to verify compatibility with your existing system:

• Primary OEM Number: 3655233
• Cross Reference / Kw Number: 205-1657
• Engine Series: NT855

Note: Always cross-reference your existing part number with 3655233. While 205-1657 is a common reference, the physical part stamping 3655233 is the definitive identifier for this specific pump assembly.

Compatibility

This pump is specifically designed for the NT855 engine platform. It is commonly used for the following applications:

• Generator Sets: Industrial and standby power generators powered by the NT855 engine.
• Marine Propulsion: Workboats, tugboats, fishing vessels, and other marine applications utilizing the NT855 marine engine.
• Heavy-Duty Trucks: On-highway trucks and off-highway vehicles equipped with the NT855 power plant.
• Industrial Equipment: Compressors, pumps, and other industrial machinery driven by the NT855 engine.

This part is a direct replacement for the original equipment fuel pump on these engines. If your engine is an NT855 and the original pump number matches 3655233, this is the correct component.

Global Supply & Distribution

We offer efficient worldwide shipping from our distribution center in Chongqing, China, a major industrial hub and logistics gateway. Our supply chain is designed to serve B2B clients in key international markets:

• North America: Fast delivery to major ports and industrial centers in the USA, Canada, and Mexico.
• Europe: Reliable shipping to ports in Rotterdam, Hamburg, Antwerp, and inland destinations.
• Asia-Pacific: Rapid service to Japan, South Korea, Australia, Singapore, and Southeast Asian markets.
• Middle East & Africa: Serving the oil & gas, marine, and power generation sectors in Dubai, Saudi Arabia, Nigeria, and South Africa.
• South America: Efficient logistics to Brazil, Chile, Argentina, and other key markets.

We have extensive experience in international trade and ensure all documentation (commercial invoice, packing list, bill of lading) is accurate for smooth customs clearance.

Quality Assurance

Every pump is sourced directly from the production line, ensuring it meets the stringent quality standards of the global manufacturing network. Our quality assurance process includes:

• Genuine Verification: Parts are verified against OEM specifications and packaging to ensure authenticity.
• Standards: Manufactured under ISO 9001 and TS 16949 quality management systems.
• Testing: Each pump is functionally tested for pressure and flow rate before leaving the factory, ensuring it meets operational parameters.
• Warranty: All parts come with a minimum one-year warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q: How can I confirm this pump fits my specific NT855 engine?
A: The most reliable method is to check the part number stamped on your current pump. If it reads “3655233” or “205-1657”, this is the correct replacement. Additionally, you can verify the engine model tag on your engine valve cover. This pump is standard on all NT855 mechanical PT fuel system applications, regardless of the specific horsepower rating.

Q: Is installation a complex procedure that requires special tools?
A: Installation is a direct bolt-on replacement. Basic mechanical skills and standard hand tools are required. You will need to remove the old pump, transfer any necessary fittings or adapters, and install the new 3655233 pump, ensuring the drive gear aligns correctly. It is critical to prime the fuel system after installation to remove air. We recommend consulting your engine’s service manual for specific torque values and priming procedures.

Q: What is the typical lifespan of this hydraulic pump, and what are the signs of failure?
A: In normal operating conditions, a genuine pump can last 8,000 to 12,000 hours or more. Signs of wear or failure include a significant drop in engine power, hard starting, black smoke (indicating incomplete combustion), or visible fuel leaks around the pump shaft seal. Regular maintenance, including changing fuel filters and using clean fuel, is essential to maximizing the pump’s service life.