Product Overview

Introducing the brand new Hydraulic Pump with part number 3G2198 (also known as 3G-2198), specifically engineered to provide reliable and powerful hydraulic performance for your Caterpillar Wheel Skidders 518 and 528. This high-quality replacement part is manufactured to meet or exceed OEM specifications, ensuring a perfect fit and optimal functionality in demanding operating environments.

Product Specifications

While specific detailed technical drawings might vary, typical parameters for a hydraulic pump of this application include:

• Part Number: 3G2198 / 3G-2198

• Type: Gear Pump (Common for skidder applications)

• Flow Rate: Optimized for Caterpillar 518/528 Skidder requirements (Specific GPM may vary by system configuration)

• Maximum Pressure: Designed to handle the system pressure of applicable equipment

• Mounting Type: Standard mounting flange compatible with Caterpillar Skidders

• Port Sizes: Compatible with existing hydraulic line connections

• Condition: New

• Direct Replacement For: Caterpillar Part Number 3G2198 / 3G-2198

Key Advantages & Selling Points

• High Compatibility: Specifically designed for seamless integration with Caterpillar 518 and 528 Wheel Skidders.

• Brand New Condition: Ensures peak performance and extended operational life compared to rebuilt or used pumps.

• Reliable Performance: Built with quality materials and precision engineering to withstand tough working conditions.

• Direct Replacement: Simplifies installation, allowing for quicker equipment downtime and return to work.

• Cost-Effective Solution: Offers a high-quality alternative to OEM parts without compromising performance.

Applicable Equipment

This hydraulic pump (3G2198 / 3G-2198) is compatible with the following Caterpillar equipment:

• Caterpillar 518 Wheel Skidder

• Caterpillar 528 Wheel Skidder

Application Scenarios & Case Analysis

Caterpillar Wheel Skidders 518 and 528 are workhorses in the forestry and logging industries. They are primarily used for dragging felled trees from the cutting site to a loading area or landing. This process heavily relies on a robust and responsive hydraulic system to power the grapple, blade, steering, and braking functions.

Typical Application Scenarios:

• Logging operations in forests, plantations, and woodlands.

• Timber harvesting and extraction.

• Site preparation and clearing where trees need to be moved.

Case Analysis Example:

Imagine a logging company operating a fleet of Caterpillar 518 skidders. One skidder experiences a significant drop in hydraulic pressure, leading to a slow and weak grapple that struggles to lift large logs. This directly impacts productivity, causing delays and increasing operational costs. By replacing the faulty hydraulic pump with a new 3G2198 unit, the skidder's hydraulic system is restored to full power. The grapple operates quickly and strongly again, allowing the operator to efficiently move timber, thus reducing downtime and improving overall harvesting output. This highlights the critical role of a functional hydraulic pump in maintaining the operational efficiency of these machines.

Related Products

Customers looking for the 3G2198 hydraulic pump might also be interested in related hydraulic components and parts for their Caterpillar 518/528 Skidders or similar heavy equipment:

• Other Hydraulic Pumps for different functions (steering, brake system pumps).

• Hydraulic Cylinders (for grapple, blade, steering).

• Hydraulic Control Valves.

• Hydraulic Filters and Filter Elements.

• Hydraulic Hoses and Fittings.

• Hydraulic System Seals and Seal Kits.

These related products are often required for comprehensive hydraulic system maintenance and repair on equipment like Caterpillar log loaders, excavators, and other heavy-duty machinery used in construction and forestry.

Installation and Maintenance Common Issues & Solutions

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

Issue 1: Pump Noise (Whining or Rattling)

• Possible Cause: Air in the hydraulic system, low fluid level, clogged suction line or filter, incorrect fluid viscosity, damaged pump components.

• Solution: Bleed the hydraulic system to remove air. Check and fill hydraulic fluid to the correct level. Inspect and clean/replace the suction line and hydraulic filter. Ensure the correct type and viscosity of hydraulic fluid is used as specified by the manufacturer. If noise persists, the pump may be damaged internally and require replacement.

Issue 2: Overheating

• Possible Cause: Low fluid level, clogged cooler or heat exchanger, system relief valve set too low or stuck open, worn pump causing internal leakage, operating at excessive pressure or flow.

• Solution: Check and fill hydraulic fluid. Clean or inspect the hydraulic cooler. Verify the relief valve setting and function. A worn pump needs replacement. Ensure the system is operating within its designed parameters.

Issue 3: Loss of Pressure or Flow

• Possible Cause: Worn pump components, relief valve issues, leaks in the system (internal or external), clogged filter, aeration/cavitation.

• Solution: Replace the worn pump. Inspect and test the relief valve. Check for and repair any leaks. Replace the hydraulic filter. Address aeration sources (e.g., low fluid, faulty seals).

Issue 4: External Leaks

• Possible Cause: Damaged seals or gaskets, loose fittings, cracked pump housing (rare).

• Solution: Inspect and replace damaged seals and gaskets during installation. Ensure all fittings are properly tightened to the recommended torque. A cracked housing requires pump replacement.

Always consult your equipment's service manual for specific procedures and safety precautions when working with hydraulic systems.