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10R-7662 Actuator Pump, Small Flange 36-Tooth, Without Fuel Supply Pump | Diesel Common Rail System For CAT C6.4 Engine
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10R-7662 Actuator Pump, Small Flange 36-Tooth, Without Fuel Supply Pump | Diesel Common Rail System For CAT C6.4 Engine

10R-7662 Actuator Pump, Small Flange 36-Tooth, Without Fuel Supply Pump | Diesel Common Rail System For CAT C6.4 Engine

1. Product:10R-7662
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

The 10R-7662 actuator pump stands as a core high-pressure component in modern diesel common rail systems, engineered for Caterpillar C6.4 diesel engines deployed in 320D, 321D, and 323D series excavators. Designed with a small flange and 36-tooth drive gear, and configured without an integrated fuel supply pump, this unit delivers consistent high-pressure diesel fuel to the common rail, ensuring precise combustion and stable engine output under variable loads. As a critical upgrade for legacy mechanical pumps, it integrates electronic pressure regulation and high-precision machining to meet EU Stage IIIA and EPA Tier 3 emission standards, making it ideal for OEM manufacturers, repair workshops, and heavy-duty equipment end-users.

 

Technical Specifications: Precision Engineering at Its Best

 

Every dimension and parameter of the 10R-7662 pump adheres to strict OEM tolerances, guaranteeing interchangeability and reliability:

Part Number: 10R-7662 (references: 326-4635, 295-9126)

Configuration: Small flange, 36-tooth drive, no fuel supply pump

Pressure Rating: Up to 1,600 bar (23,200 psi) high-pressure output

Drive System: 36-tooth gear for synchronized engine speed (1:1 ratio)

Material: High-grade alloy steel with corrosion-resistant coating for durability

Weight: ~11 kg (24.3 lb); Dimensions: 398mm × 157mm × 157mmCat® Parts Store

Certifications: ISO 9001, OEM-approved for direct replacement

 

Structural Advantages: Compact Design, Robust Performance

 

Unlike conventional pumps with integrated supply stages, the 10R-7662's supply-pump-free design reduces overall weight by 15% and simplifies installation in space-constrained engine bays. Its 36-tooth small flange enables precise torque transmission and minimizes vibration during high-speed operation (up to 4,000 RPM). Key structural features include:

High-Pressure Plunger Assembly: Micro-finished plungers (clearance: 1.5–3.7 μm) for leak-proof operation

Electronic Pressure Control Valve (PCV): Real-time rail pressure adjustment via ECU signals

Reinforced Housing: Die-cast alloy body with enhanced rigidity to withstand high internal pressures

 

Application Coverage: Tailored for CAT C6.4 Diesel Engines

 

The 10R-7662 pump is exclusively calibrated for Caterpillar C6.4 4-cylinder diesel engines, widely used in:

Excavators: 320D, 320D L, 321D LCR, 323D, 323D L

Construction Machinery: Loaders, bulldozers, and generator sets with C6.4 power units

Industrial Diesel Engines: Stationary power plants and heavy-duty transport applications

Its direct-fit design ensures plug-and-play replacement, eliminating the need for modifications or additional parts during installation.

 

❓ Frequently Asked Questions (FAQ)

 

Q1: What makes the 10R-7662 different from other common rail pumps for CAT C6.4 engines?

A: The 10R-7662 features a 36-tooth small flange and no integrated fuel supply pump, reducing weight and simplifying installation. It also delivers higher pressure stability (±5 bar) and longer service life than generic alternatives.

Q2: Can I install the 10R-7662 myself, or do I need professional help?

A: While it is a direct-fit replacement, professional installation is recommended. Proper torque settings and ECU calibration are critical to avoid pressure leaks or engine damage.

Q3: What happens if I use low-quality diesel with the 10R-7662 pump?

A: Low-quality diesel (≥5 μm particles) causes rapid wear of the precision plunger assembly, leading to pressure fluctuations, reduced power, and costly repairs.

Q4: How often should I replace the fuel filter when using this pump?

A: Replace the fuel filter every 500 operating hours to maintain the strict cleanliness requirements of diesel common rail systems.

Q5: Is the 10R-7662 compatible with other engine brands besides Caterpillar?

A: No, it is exclusively calibrated for CAT C6.4 diesel engines in 320D/321D/323D excavators and related machinery.

Q6: What is the warranty period for the 10R-7662 actuator pump?

A: We offer a 12-month warranty against manufacturing defects, ensuring reliable performance and peace of mind for your diesel equipment.

 

Basic Information about the Company

 

202510091606539026

 

 

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