Product Overview

Enhance the performance and longevity of your heavy machinery with our premium aftermarket 42 Gallon Cartridge Hydraulic Pump (Part Numbers: 3G2238, 3G-2238). Specifically engineered as a high-quality replacement for Caterpillar CAT 980 Wheel Dozers and 621R, 621S, 627B Wheel Tractor-Scrapers, this hydraulic pump is designed to deliver reliable power and efficient fluid flow, ensuring your equipment operates at peak efficiency even in the most demanding environments.

Built to meet or exceed OEM specifications, our 3G2238 hydraulic pump offers exceptional durability and robust construction, making it an ideal choice for maintaining the hydraulic integrity of your critical equipment. It's an essential component for smooth operation of various hydraulic functions, from steering to implement control.

Product Parameters

• Part Number: 3G2238, 3G-2238

• Pump Type: Cartridge Hydraulic Pump

• Flow Rate: 42 Gallons per minute (GPM)

• Compatibility: Aftermarket replacement for Caterpillar CAT 980, 621R, 621S, 627B

• Material: High-grade alloy steel and precision-machined components

• Pressure Rating: Designed for heavy-duty hydraulic systems (specific max pressure varies by application, typically 2500-3500 PSI)

• Weight: Approximately 30-40 kg (varies slightly by specific model variant)

• Installation: Direct fit, easy installation

Product Advantages and Selling Points

• Superior Performance: Engineered for optimal flow and pressure, ensuring responsive and powerful hydraulic functions.

• Enhanced Durability: Constructed from high-quality materials to withstand the rigorous conditions of heavy equipment operation, reducing wear and tear.

• Cost-Effective: Provides an excellent alternative to OEM parts without compromising on quality or performance, offering significant cost savings.

• Precision Engineering: Manufactured with strict quality controls to ensure precise fit and reliable operation, minimizing downtime.

• Wide Application: Compatible with multiple Caterpillar models, offering versatility for fleet maintenance.

• Reduced Maintenance: Designed for long service life, contributing to lower overall maintenance costs and increased uptime.

Applicable Equipment and Application Scenarios

This 3G2238 hydraulic pump is specifically designed for Caterpillar heavy machinery, playing a crucial role in the hydraulic systems of:

• Caterpillar CAT 980 Wheel Dozer:

  The CAT 980 is a robust wheel loader used extensively in demanding environments such as aggregate handling, mining operations, waste management, forestry, and large-scale construction sites. It is vital for loading and hauling materials, general site clearance, and stockpile management.

  Case Study: A large aggregate quarry utilizing CAT 980 dozers for continuous material loading experienced a hydraulic pump failure, leading to significant downtime. Replacing the faulty pump with our 3G2238 aftermarket unit restored full hydraulic functionality, allowing the quarry to resume operations quickly and efficiently, minimizing production losses.

• Caterpillar 621R, 621S, 627B Wheel Tractor-Scrapers:

  These wheel tractor-scrapers are heavy-duty earthmoving machines, indispensable for large civil engineering projects, road construction, land development, and mining. They are designed for efficient excavation, hauling, and spreading of vast quantities of earth and other materials over long distances.

  Case Study: During a major highway expansion project, a CAT 627B scraper suffered from inconsistent hydraulic pressure, impacting its ability to efficiently load and dump soil. Diagnosis revealed a failing hydraulic pump. Installation of the 3G2238 pump restored consistent and powerful hydraulic action, significantly improving the scraper's operational efficiency and contributing to the project's on-time completion.

Related Similar Products

Beyond the 3G2238 cartridge hydraulic pump, we offer a comprehensive range of aftermarket hydraulic components essential for heavy equipment maintenance. These products ensure the seamless operation of your machinery's hydraulic systems:

• Gear Pumps: Often used in steering and auxiliary circuits. Suitable for various Caterpillar models.

• Piston Pumps: High-pressure, high-flow pumps used in main hydraulic circuits for precise control. Applicable across a broad range of heavy excavators, loaders, and dozers from Caterpillar, Komatsu, Hitachi, and Volvo.

• Vane Pumps: Known for quieter operation and good efficiency, often found in industrial applications and some construction equipment.

• Hydraulic Cylinders: For lifting, pushing, and pulling actions. Compatible with dozers, excavators, and loaders.

• Hydraulic Valves: Directional control valves, relief valves, and flow control valves to manage fluid flow and pressure. Used in all hydraulic heavy equipment.

• Hydraulic Hoses and Fittings: Critical for fluid transfer and system integrity. Essential for all hydraulic machinery.

• Hydraulic Filters: Essential for maintaining fluid cleanliness and preventing contamination damage to pumps and other components. Universal application in hydraulic systems.

Installation and Maintenance: Common Issues & Solutions

Proper installation and regular maintenance are crucial for the longevity and optimal performance of your hydraulic pump. Here are common issues and their solutions:

• Issue 1: Fluid Contamination

  Problem: Dirt, water, air, or other foreign particles entering the hydraulic system. This is the most common cause of pump failure, leading to accelerated wear, cavitation, and reduced efficiency.

  Solution: Regularly inspect and replace hydraulic filters. Use clean, high-quality hydraulic fluid of the correct viscosity. Ensure reservoir breathers are clean and functional. Conduct periodic oil analysis to detect contaminants early.

• Issue 2: Overheating

  Problem: Excessive heat in the hydraulic system, leading to fluid degradation, seal damage, and internal component wear. Can be caused by fluid viscosity issues, insufficient fluid, or restricted flow.

  Solution: Maintain proper fluid levels. Ensure the hydraulic cooler is clean and functioning correctly. Check for restricted lines or clogged filters. Use hydraulic fluid with the correct thermal stability for the operating environment.

• Issue 3: Cavitation

  Problem: Formation and implosion of air bubbles in the hydraulic fluid due to low pressure, typically at the pump inlet. Causes severe internal damage and produces a distinct whining or rattling noise.

  Solution: Check for restricted suction lines (e.g., clogged suction strainer). Ensure correct fluid level and viscosity. Inspect all intake connections for air leaks. Avoid excessive pump speed beyond manufacturer recommendations.

• Issue 4: Leaks (Internal/External)

  Problem: Fluid loss and reduced system pressure due to worn seals, damaged hoses, loose fittings, or internal component wear. External leaks are visible; internal leaks reduce efficiency without obvious signs.

  Solution: Regularly inspect hoses, seals, and fittings for signs of wear or damage. Tighten loose connections. Replace worn seals promptly. For internal leaks, professional diagnosis and repair/replacement of worn pump components may be required.

• Issue 5: Noise and Vibration

  Problem: Unusual sounds (whining, knocking, screeching) or excessive vibration from the pump, indicating misalignment, worn bearings, or internal damage.

  Solution: Check pump and motor alignment. Inspect mounting bolts for tightness. Examine bearings for wear. Listen for cavitation (see Issue 3). Ensure the pump is properly mounted and supported to minimize vibrations.