Unveiling Essential Caterpillar Hydraulic Pump Parts: A Comprehensive Guide from Changzhi Huawei Hydraulic
At Changzhi Huawei Hydraulic Co., Ltd., we understand the critical role that reliable hydraulic components play in the performance of heavy machinery. For operators and maintenance professionals working with Caterpillar equipment, identifying and sourcing the correct hydraulic pump parts is paramount to minimizing downtime and maximizing productivity. This article delves into a range of essential Caterpillar hydraulic pump parts, providing a detailed overview of their applications and specifications.
Caterpillar machinery, renowned for its robustness and efficiency, relies on sophisticated hydraulic systems. At the heart of these systems are the hydraulic pumps and their associated cartridges, which are responsible for generating the necessary fluid power. From excavator gear pumps to various vane pump cartridges, each component is engineered to meet the demanding operational requirements of CAT engines and equipment. Ensuring the authenticity and quality of these engine parts is vital for the longevity and optimal functioning of your machinery.
Below, we've organized a list of key Caterpillar hydraulic pump and cartridge part numbers, along with their descriptions and common applications, to assist you in identifying the precise components you might need. This curated information aims to streamline your search for high-quality replacement parts.

Caterpillar Hydraulic Pump & Cartridge Part Reference
| No. | Part Number | Description | Common Application/Notes |
|---|---|---|---|
| 1 | 3G2640 | Excavator Gear Pump | CAT Engine Part |
| 2 | 3G2858 | Excavator Gear Pump | CAT Engine Part |
| 3 | 3G2875 | Excavator Gear Pump | CAT Engine Part |
| 4 | 3G4661 | Excavator Gear Pump | CAT Engine Part |
| 5 | 3G4768 | Excavator Gear Pump | CAT Engine Part |
| 6 | 3G5385 | Excavator Gear Pump | CAT Engine Part |
| 7 | 3G5386 | Excavator Gear Pump | CAT Engine Part |
| 8 | 3G5868 | Excavator Gear Pump | CAT Engine Part |
| 9 | 3G5887 | Excavator Gear Pump | CAT Engine Part |
| 10 | 3G5958 | Excavator Gear Pump | CAT Engine Part |
| 11 | 3G6002 | Excavator Gear Pump | CAT Engine Part |
| 12 | 3G6856 | Excavator Gear Pump | CAT Engine Part |
| 13 | 3G7610 | Excavator Gear Pump | CAT Engine Part |
| 14 | 3G2837 | Caterpillar Vane Pump Cartridge | General Vane Pump Application |
| 15 | 3G2835 | CTP 35 VQ Series Cartridge | For Model 772, 773, 824C, 826C Hydraulic Vane Pump, Right Hand Rotation Without Bushing, 30 GPM |
| 16 | 3G2834 | Cartridge | Fits Caterpillar from 621E to 966C |
| 17 | 3G2832 (3G-2832) | 38 Gallon Hydraulic Pump Cartridge | For Caterpillar CAT |
| 18 | 3G2802 (3G-2802) | Cartridge Group | Fits Cat 3G-7662 |
| 19 | 3G2806 | Cartridge Group | Fits Caterpillar 951 4A 4S 140 141 143 153 163 4 D4E |
| 20 | 3G7663 | CARTRIDGE GROUP-VANE PUMP | Includes 3G2804 0R1483 for Caterpillar (CAT) |
| 21 | 3G2803 (3G-2803) | 14 Gallon Vane Pump Parts Cartridge Kits | For Caterpillar CAT 992 992B |
| 22 | 3G2807 (3G-2807) | Hydraulic Pump Cartridge | Fits for Caterpillar CAT 3406 D343 D346 Engine 983 983B 930 641B 650B 651B 657B 660B |
| 23 | 3G2801 (3G-2801) | CARTRIDGE Vane Pump | New Genuine, NOS OEM CAT |
| 24 | 3G2752 | Cartridge | Fits Caterpillar 768B 769 769B 936 936E 936F 950 992 992B G936 |
| 25 | 3G2751 | Cartridge Gr | Aftermarket for Caterpillar |
| 26 | 3G2748 (3G-2748) | Hydraulic Pump Cartridge | For Caterpillar CAT D343 D346 Engine 621 992 992B 983 983B |
| 27 | 3G2750 (3G-2750) | 8 Gallon Vane Pump Cartridge Gp | For Caterpillar CAT |
Investing in high-quality hydraulic pump parts is not just about repairs; it's about extending the life of your equipment and ensuring peak performance. Counterfeit or substandard parts can lead to premature failures, costly repairs, and significant operational delays. At Changzhi Huawei Hydraulic, we are committed to providing reliable solutions that meet the stringent demands of Caterpillar machinery.
We specialize in offering a comprehensive range of hydraulic components, ensuring that our clients have access to the exact parts they need to maintain their Caterpillar fleets. Our expertise in hydraulic systems allows us to guide you in selecting the right products, ensuring compatibility and optimal functionality for your specific applications.
For further inquiries or to source specific parts, feel free to explore our website or contact our team directly. We are dedicated to supporting your operational success with high-quality hydraulic solutions.
