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476-8768 Actuator Pump: 36-Tooth Large Flange With Feed Pump – Redefining Diesel Common-Rail Efficiency
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476-8768 Actuator Pump: 36-Tooth Large Flange With Feed Pump – Redefining Diesel Common-Rail Efficiency

476-8768 Actuator Pump: 36-Tooth Large Flange With Feed Pump – Redefining Diesel Common-Rail Efficiency

1. Product:476-8768
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal

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Product Introduction

In the intricate ecosystem of diesel common-rail systems, the 476-8768 actuator pump emerges as a game-changing powerhouse, merging a 36-tooth large flange with an integrated feed pump to deliver unrivaled precision, durability, and performance. Engineered as a direct OEM-grade replacement for Caterpillar C7/C9 engines, this unit redefines fuel delivery dynamics, ensuring seamless compatibility with heavy-duty machinery while addressing core pain points of pressure stability and fuel supply consistency. Designed for the harshest off-highway and industrial environments, it stands as a critical link between the fuel tank and high-pressure rail, optimizing combustion efficiency and minimizing downtime for operators worldwide.

 

Core Design & Technical Specifications 🛠️

 

The 476-8768 is built with a high-strength cast iron body and precision-machined alloy steel components, balancing structural rigidity with lightweight efficiency (net weight: ~14kg). Its standout feature-the 36-tooth large flange-ensures robust torque transmission and secure mounting, eliminating slippage even under extreme load fluctuations. The integrated feed pump, a self-priming gear-type unit, delivers a rated flow of 30 L/min at 1,800 RPM, maintaining consistent low-pressure fuel supply to the high-pressure plunger chamber. Key parameters include:

OEM Compatibility: Direct fit for Caterpillar C7/C9 engines (324D, 330D, 336D excavators; 950H/962H wheel loaders)

Gear Configuration: 36-tooth drive gear (large flange, flat-head design)

Operating Pressure: Supports common-rail pressures up to 2,200 bar

Rotation: Standard clockwise (engine-driven)

Material: High-grade cast iron housing, hardened steel gears, corrosion-resistant coatings

 

Application-Specific Advantages for Common-Rail Systems ⛽

 

Unlike generic fuel pumps, the 476-8768 is purpose-built for diesel common-rail architectures, addressing three critical system demands:

Precision Fuel Metering: The 36-tooth flange ensures synchronized drive with engine RPM, enabling the ECU to regulate fuel injection with ±0.2° crank angle accuracy-a cornerstone of common-rail efficiency.

Uninterrupted Fuel Supply: The integrated feed pump eliminates external fuel line dependencies, reducing pressure drops by 15–20% and ensuring consistent supply during cold starts or high-load operations.

Durability in Extreme Conditions: Engineered for -40°C to 120°C operating temperatures, it resists corrosion from low-quality diesel and withstands vibration in mining, construction, and marine environments.This synergy of design and functionality makes it ideal for heavy-duty applications: excavators, wheel loaders, industrial generators, and marine propulsion systems-all relying on common-rail technology for optimal power and emissions compliance.

 

Performance & Reliability: Engineered for Longevity 🚀

 

The 476-8768 undergoes ISO/CE-certified quality control, with every unit tested for pressure stability, flow consistency, and gear meshing precision. Its modular design simplifies maintenance: worn components (e.g., feed pump gears, flange seals) can be replaced individually, reducing repair costs by 30% compared to full pump replacements. Field data confirms a service life of 15,000+ hours under normal operating conditions, outperforming aftermarket alternatives by 25%. The large flange's 36-tooth design distributes torque evenly, minimizing gear wear and ensuring long-term reliability-critical for common-rail systems where even minor inconsistencies disrupt engine performance.

 

❓ Frequently Asked Questions (FAQ)

 

Q1: Is the 476-8768 compatible with all Caterpillar C7/C9 engine variants?

A: Yes, it's a direct OEM replacement for C7/C9 engines in 324D/330D/336D excavators, 950H/962H wheel loaders, and industrial generators. Verify part number 476-8768/20R-1649 for exact fitment.

Q2: How does the integrated feed pump benefit common-rail system performance?

A: The self-priming feed pump maintains consistent low-pressure fuel supply (30 L/min) to the high-pressure chamber, reducing pressure drops and ensuring stable rail pressure-key for precise common-rail injection and combustion efficiency.

Q3: What maintenance practices maximize the pump's service life?

A: Use high-quality diesel (≥50ppm sulfur), replace fuel filters every 500 hours, and inspect flange seals/gear meshing during routine maintenance. These steps extend life to 15,000+ hours.

Q4: Can this pump improve fuel efficiency in common-rail engines?

A: Absolutely. Precise 36-tooth flange synchronization and stable fuel supply optimize combustion, reducing fuel consumption by 8–12% in C7/C9 engines while lowering emissions.

Q5: What's the lead time for delivery, and is customization available?

A: Standard orders ship within 2–3 business days (3–7 days international). Custom packaging/branding is available for bulk orders (≥10 units).

Q6: How does the 36-tooth large flange differ from smaller-tooth alternatives?

A: The 36-tooth design offers higher torque capacity, reduced gear wear, and more precise RPM synchronization-critical for common-rail systems requiring consistent, high-accuracy fuel delivery.

 

Basic Information about the Company

 

202510091606539026

 

 

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