Precision Fuel Management: LONGBENG BHT6P120R Injection Pump | 2050A Series | OEM 260560088 & 612601080914

In the high-stakes environment of heavy-duty diesel maintenance, the difference between a productive shift and costly downtime often lies in the precision of the fuel injection system. The LONGBENG BHT6P120R is not merely a replacement part; it is a critical engineering solution designed for operators who demand reliability in their common rail infrastructure. By bridging the gap between traditional inline pump durability and modern electronic control requirements, this unit serves as a cornerstone for engines requiring the specific interchangeability of part numbers 260560088 and 612601080914. This product detail page explores why this specific pump assembly is the optimal choice for maintaining peak combustion efficiency.

 

🛠️ Technical Data & Specification Matrix

 

To ensure seamless integration with your existing engine architecture, precise adherence to OEM specifications is non-negotiable. The BHT6P120R is engineered to meet rigorous dimensional and performance standards.

Feature	Specification	Note
Product Model	BHT6P120R (2050A)	Inline Pump Series
Brand	LONGBENG	Tier 1 Aftermarket / OEM Equivalent
OEM Reference I	260560088	Cross-reference compatibility
OEM Reference II	612601080914	Weichai/Heavy Duty application standard
System Type	Mechanical/Electronic Hybrid	Compatible with Common Rail feeds
Configuration	6-Cylinder Inline	High-pressure delivery

 

 

The BHT6P120R operates as the primary pressure generation source within the fuel loop. In the context of modern diesel mechanics, understanding the internal structure is vital for selection. This pump utilizes a robust camshaft-driven plunger design that ensures consistent fuel delivery pulses.

Unlike generic replacements that may suffer from cavitation or inconsistent flow rates, the LONGBENG unit features hardened steel plungers and barrels capable of withstanding extreme cyclic loading. For engines utilizing a common rail setup, the stability of the supply pump directly influences the rail pressure stability. If the input flow from the BHT6P120R fluctuates, the ECU cannot accurately regulate the rail pressure, leading to error codes or reduced power modes. Therefore, this component is critical for the "pre-high-pressure" stage of fuel management.

 

 

Selecting the correct pump requires more than matching a part number; it requires understanding the engine ecosystem. The 260560088 and 612601080914 identifiers are heavily associated with heavy-duty transport and industrial power units.

Transport Sector: Ideal for long-haul trucks where sustained RPMs require a pump that resists thermal degradation.

Construction & Mining: Excavators and loaders operating in dusty, high-vibration environments benefit from the BHT6P120R's reinforced housing.

Power Generation: For stationary diesel generators, consistent fuel volume is key to maintaining frequency stability (50Hz/60Hz).

Selection Tip: Always verify the engine serial number against the 612601080914 specification. While visually similar pumps exist, internal timing and plunger diameter variations can drastically alter engine performance.

 

 

From a maintenance perspective, the BHT6P120R is designed for serviceability without compromising safety. The unit typically integrates a transfer pump section that feeds the high-pressure elements. A common failure point in lesser brands is the sealing of these internal transfer lines. LONGBENG utilizes advanced fluorocarbon rubber seals that resist the corrosive nature of ultra-low sulfur diesel (ULSD) and biodiesel blends.

For fleet managers, the "Mean Time Between Failures" (MTBF) is the ultimate metric. The structural rigidity of the BHT6P120R housing minimizes flex under load, preserving the alignment of the drive gears and ensuring that timing marks remain accurate over thousands of operating hours.

 

 

Does the LONGBENG BHT6P120R replace the original Weichai pump directly?
Yes, this unit is manufactured to strictly match the dimensions and flow characteristics of OEM part 612601080914, ensuring a bolt-on fitment without modification.

Is this pump compatible with electronic unit injectors?
The BHT6P120R acts as a high-pressure supply source. It is compatible with systems that rely on a mechanical pump to feed a common rail or distributor block, provided the pressure curve matches the engine's requirement.

What is the recommended break-in procedure for this injection pump?
Upon installation, we recommend idling the engine for 5-10 minutes to allow the internal lubrication to circulate before applying full load. This seats the plungers correctly.

Can I use this pump with biodiesel blends (B20/B100)?
LONGBENG pumps generally handle biodiesel well, but because biodiesel acts as a solvent, we recommend checking fuel lines for degradation more frequently during the first 1,000 hours of operation.

What does the "P120" in the model number signify?
This typically refers to the plunger diameter and stroke configuration, which dictates the volumetric output per revolution. It is calibrated to match the flow rate required by the 260560088 specification.

Do you offer technical support for timing this pump?
Yes, our technical team can provide the specific timing pin locations and static timing settings required for the BHT6P120R installation on major engine blocks.

 

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