Tractor Spare Parts 3K8301 47 Gallon Hydraulic Vane Pump Cartridge for CAT 3K-8301
Reliable and high-performance replacement cartridge for your CAT equipment.
Product Overview
The 3K8301 47 Gallon Hydraulic Vane Pump Cartridge is an essential spare part designed to restore the hydraulic performance of your Caterpillar machinery. This high-quality replacement cartridge is engineered to meet or exceed OEM specifications, ensuring a perfect fit and dependable operation. It is the core component of the hydraulic vane pump, responsible for generating the pressure and flow needed for all hydraulic functions. By replacing only the cartridge, you can cost-effectively rebuild your pump without having to buy a new one.
Key Product Specifications
Part Number: 3K8301, 3K-8301
Flow Rate: 47 Gallons per minute (GPM)
Type: Vane Pump Cartridge
Compatible with: CAT Hydraulic Vane Pumps
Material: High-grade steel and durable alloys for long-lasting performance
Product Advantages
High Durability: Constructed with premium materials to withstand extreme pressure and wear.
Cost-Effective: Replace the cartridge instead of the entire pump, saving you time and money.
OEM Quality: Engineered to meet or exceed original equipment manufacturer standards for a precise fit.
Improved Performance: Restores peak hydraulic efficiency and responsiveness to your machinery.
Compatible Equipment
This cartridge is suitable for a wide range of Caterpillar equipment that uses the 3K-8301 hydraulic vane pump, including:
CAT 920, 930, 950 Wheel Loaders: For steering and implement hydraulics.
CAT D4D, D5, D6C Tractors: Used in steering and blade control systems.
CAT 12F, 140 Motor Graders: Essential for blade movement and articulation.
Application Scenarios & Case Studies
The 3K8301 hydraulic vane pump cartridge is crucial for maintaining the operational integrity of heavy machinery in demanding environments. Here's a look at some common applications:
Case Study: Wheel Loader in Construction
A CAT 930 Wheel Loader at a busy construction site started experiencing slow and jerky steering. The diagnostic check revealed a significant drop in hydraulic pressure from the main vane pump. By replacing the old, worn-out cartridge with a new 3K8301 unit, the hydraulic system's pressure and flow were fully restored. The loader's steering became responsive and smooth, allowing it to return to its primary task of moving materials with no further downtime.
Application: Farming and Agriculture
On a large-scale farm, a CAT D6C tractor is used for various tasks, from plowing to land grading. The hydraulic system is responsible for controlling the blade and other attachments. Over time, the constant heavy use can lead to vane pump wear. The 3K8301 cartridge serves as a vital component for in-field maintenance, allowing farmers to quickly replace the worn part and prevent equipment from failing during peak season. This ensures consistent productivity and minimizes expensive service calls.
Other Related Products
We offer a comprehensive range of spare parts for your hydraulic systems. If the 3K8301 cartridge is not what you're looking for, consider these other popular options:
Hydraulic Gear Pumps: Ideal for systems requiring higher pressure and less flow, often found in skid steers and smaller excavators.
Piston Pump Kits: High-efficiency pumps for large excavators and bulldozers that demand variable displacement and high power.
Pump Seals and Bearings: Essential maintenance parts to prevent leaks and ensure smooth operation of your hydraulic pumps.
Installation & Maintenance Tips
To ensure a long service life for your new cartridge and pump, follow these best practices:
Issue: Low Hydraulic Pressure.
Solution: Check for a clogged suction filter or a damaged pump shaft seal. Ensure the hydraulic fluid level is correct and free of contamination before installing the new cartridge.Issue: Noisy Pump Operation.
Solution: A humming or whining sound often indicates air in the hydraulic system (cavitation). Bleed the system thoroughly after installation and verify that all hoses and connections are tight.Issue: Premature Cartridge Failure.
Solution: This is often caused by contaminated hydraulic fluid. Always use a new, clean fluid and replace the filter when installing a new cartridge to prevent debris from damaging the new parts.

