Excavator Hydraulic Gear Pump Manufacturer & Wholesale Supplier

Reliable Excavator Hydraulic Gear Pump For OEM And Aftermarket Markets

Looking for high-quality excavator hydraulic gear pump at competitive wholesale prices? At Fairy Deer, we specialize in manufacturing OEM and aftermarket hydraulic gear pumps for Excavator. Covering a wide range of models such as the Caterpillar, Komatsu, SANY, Doosan, Hitachi, Volvo, Hyundai, JCB and more, we offer factory-direct hydraulic gear pump with consistent quality and worldwide delivery. Whether you are sourcing for OEM replacement or aftermarket upgrades, we have the right solution for you.

Why Choose Fairy Deer For Your Excavaror Hydraulic Gear Pump?

OEM And Aftermarket Hydraulic Gear Pump Solutions

Designed for quick and hassle-free installation, our hydraulic gear pumps help minimize equipment downtime, allowing your workshop to serve more customers efficiently.

Wide Range Of Excavator Model Coverage

Adapt to almost all mainstream excavator brands and models, including medium and large and light excavators, to ensure accurate matching of parts.

High-quality Materials And Advanced Technology

The use of high-strength steel and wear-resistant alloys, combined with precision manufacturing technology, ensures the high efficiency and long-term durability of gear pumps.

Factory Direct Wholesale Price

No middleman link, purchase directly from the factory, significantly reduce procurement costs and improve procurement efficiency.

Certified Production To Ensure Quality

Comply with ISO/TS16949 quality management system standards to ensure that hydraulic gear pump products are stable and reliable and meet stringent engineering needs.

Covering A Variety Of Different Models Of Hydraulic Gear Pumps

Covering more than 98% of the world's mainstream excavator brands and models, meeting the diverse ordering needs of different customers.

Reliable Excavator Hydraulic Gear Pump For OEM And Aftermarket Markets

Looking for high-quality excavator hydraulic gear pump at competitive wholesale prices? At Fairy Deer, we specialize in manufacturing OEM and aftermarket hydraulic gear pumps for Excavator. Covering a wide range of models such as the Caterpillar, Komatsu, SANY, Doosan, Hitachi, Volvo, Hyundai, JCB and more, we offer factory-direct hydraulic gear pump with consistent quality and worldwide delivery. Whether you are sourcing for OEM replacement or aftermarket upgrades, we have the right solution for you.

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Komatsu Hydraulic Gear Pumps

OEM hydraulic gear pump, Komatsu excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of Komatsu excavators, let us know which is suitable for your market. let us custom for you to improve your business.

Excavator Model Hydraulic Gear Pump Part Number
PC50-UU 708-3S-04570
PC45MR-1 708-3S-04531
PC100-3C 705-58-34000
PC1250-C 705-56-34360
PC1800-C 705-51-31060
PC40-7C/PC50UU-2E 705-41-08090
PC10-7/PC15-3/PC20-7 705-55-34181
PC75UU-3/78US-5 705-24-29090
PC75UU-3 705-22-30150
PC60-5 704-24-24401
View More Models ……

Caterpillar Hydraulic Gear Pumps

OEM hydraulic gear pump, Caterpillar excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of Caterpillar excavators, let us know which is suitable for your market. let us custom for you to improve your business.

Excavator Model Hydraulic Gear Pump Part Number
325BL/322BL A8VO107
325C/322C/325CL 2003406
E320B/E320C 126-2016
E330C/330C 1336912
336D/336E/330DL 342-1882
CAT336D 342-1882
311C/311D/312C 218-0557
322C/322C FM/325C 200-3406
305.5/308 AP2D36
E320B/E325B 126-2083
View More Models ……
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Kobelco Hydraulic Gear Pumps

OEM hydraulic gear pump, Kobelco excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of Kobelco excavators, let us know which is suitable for your market. let us custom for you to improve your business.

SK460 K5V160DP
SK200-1 SH200A1
SK200-5 K3V112
SK200/SH120/SK120-5 KP1009CLFSS
SK200-8 2902440-1852D
 SK120-5/SH120A3 K3V63
SK60/SK70/SK75SR K3SP36B
SK200-6ES/SK210D-8 YN10V00014F2
SK120-3/SK120-5 2441U291F2
SK200-8/SK210-8/SK330-6E K3V154-90413
View More Models ……

CASE Hydraulic Gear Pumps

OEM hydraulic gear pump, CASE excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of CASE excavators, let us know which is suitable for your market. let us custom for you to improve your business.

CX240BLR/CX250C/CX210B LJ014510
CX55/CX50B AP2D25
CX460/CX470B LJ014890
C100/CX90/CX100 308873A1
View More Models ……
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SANY Hydraulic Gear Pumps

OEM hydraulic gear pump, SANY excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

 

Note: We can provide hydraulic gear pumps for all types of SANY excavators, let us know which is suitable for your market. let us custom for you to improve your business.

SY365C K3V180
SY335C K5V160DTH
SY215C K3V112DTP
SY135C K3V63DT
SY2000H RCS35
SY395H K5V200DPH
View More Models ……

Doosan Hydraulic Gear Pumps

OEM hydraulic gear pump, Doosan excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of Doosan excavators, let us know which is suitable for your market. let us custom for you to improve your business.

DH370-7/DH370-9 K5V160DP
DX225LC 2902440-1671A
DH215-9/DH220-9/DH225-9 K3V112
DH220/DH215-7/DH225-7 SH200A1
DH225-9 K3V154-83413
DH55-5-7/DH60-5-7/DX55 AP2D25
DH370-7/DH370-9 342-1882
DH55-5/DH55-7/DH60-5 H9118R7894-0
DX235NLC/DH225-9/DH215-9 K9004530
DH258-7/DH215-9 K889013
View More Models ……
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Hitachi Hydraulic Gear Pumps

OEM hydraulic gear pump, Hitachi excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of Hitachi excavators, let us know which is suitable for your market. let us custom for you to improve your business.

EX200-1/EX220-1/EX270-1 9217993
ZX270/EX100-5/EX120-5 9218005
EX120-2/EX200-2/EX220-2 4255303
EX60UR 4255182
UH083 4035495
ZX110 ZX120 ZX130-3 9218031
EX300-2/EX300-3/EX300-3C 4181700
EX100-2/EX100M-2/EX120-2 AT154227
EX200-2/EX200-3E/EX200K-2 9218004
EX270-5/EX400-5/EX750-5 4276918
View More Models ……

VOLVO Hydraulic Gear Pumps

OEM hydraulic gear pump, VOLVO excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of VOLVO excavators, let us know which is suitable for your market. let us custom for you to improve your business.

R210LC-7/EC210B/EC240B K3V112
EC460B/EC460C 14561970
EC250/EC290/EC300 14602458
EC290B/EC290C/FC3329C VOE14536672
EC480E/EC480EHR 14644494
EC55B/EW55B VOE14533145
EC160B/EC180B/EC135B SA8230-08780
EC340D/EC380D/EC480D VOE14602252
EC140/EC210/EC240 14536750
EC480D 14648257
View More Models ……
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JCB Hydraulic Gear Pumps

OEM hydraulic gear pump, JCB excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of JCB excavators, let us know which is suitable for your market. let us custom for you to improve your business.

JS330/JS460-T2/JS360 20/950822
JCB803 20/300800
JCB801 20/204100
View More Models ……

John Deere Hydraulic Gear Pumps

OEM hydraulic gear pump, John Deere excavator performance hydraulic gear pumps replacement,  gear pumps at a great amazing price.

Note: We can provide hydraulic gear pumps for all types of John Deere excavators, let us know which is suitable for your market. let us custom for you to improve your business.

160GLC/180GLC/190GW 9218005
35C/3754D/330LC 9218031
790D/800C/120C TH109457
EC290B/EC290C/FC3329C VOE14536672
490E/790E/790ELC 4255303
490E/790ELC 9218004
60D/60G/60P 4693315
75C/80C 4472007
View More Models ……
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Aftermarket OEM Manufacturer vs. Brand Owner Excavator Hydraulic Gear Pumps: Which One to Choose?

Looking for high-quality excavator hydraulic gear pump at competitive wholesale prices? At Fairy Deer, we specialize in manufacturing OEM and aftermarket hydraulic gear pumps for Excavator. Covering a wide range of models such as the Caterpillar, Komatsu, SANY, Doosan, Hitachi, Volvo, Hyundai, JCB and more, we offer factory-direct hydraulic gear pump with consistent quality and worldwide delivery. Whether you are sourcing for OEM replacement or aftermarket upgrades, we have the right solution for you.

1.Deep Expertise in Excavator Brands and Systems

With extensive knowledge of the structure, materials, and hydraulic systems of leading excavator brands such as Caterpillar, Komatsu, SANY, Doosan, Hitachi, Volvo, JCB, John Deere, we ensure precise hydraulic gear pump part matching and full system compatibility. This guarantees stable loader performance, easy installation, and reduced downtime for your equipment.

2. Competitive Pricing & Flexible Customization

As an experienced aftermarket OEM manufacturer, we provide highly competitive pricing and support flexible customization to meet the unique requirements of global buyers. Whether you need bulk orders or special specifications, we help reduce your procurement costs and shorten delivery cycles, improving your supply chain efficiency.

3. Professional Engineering Support for Performance Optimization

Our skilled engineering team offers expert assistance in optimizing excavator hydraulic systems, extending component service life, and minimizing operational downtime. This leads to higher productivity and a lower total cost of ownership (TCO) for your fleet.

1. Product Quality Depends on Outsourced Manufacturing

The quality and performance of excavator parts from major brand owners such as Caterpillar, Komatsu, SANY, Doosan, Hitachi, Volvo, JCB, and John Deere often rely heavily on their OEM partners’ technical capabilities. This outsourcing can lead to risks of quality fluctuations, especially when supply chains become diversified and complex.

2. High Brand Premium and Elevated Procurement Costs

Brand owner typically charge a significant premium for excavator parts, resulting in higher procurement costs for buyers. While strong after-sales support and brand reputation are advantages, the overall investment required can be substantial, impacting project budgets and fleet maintenance costs.

3. Limited Flexibility and Slower Response Times

Brand owners focus on standardized customer management and broad market services, which may result in slower response times and less personalized technical support. For urgent or specialized loader parts needs, this can negatively affect operational efficiency and equipment uptime.

Not sure which type fits your market? Our team will help you choose the best solution based on your specific requirements.

Our Manufacturing Strength

As a leading Excavator hydraulic gear pumps manufacturer in China, Fairy Deer operates a state-of-the-art factory with:

The plant covers an area of about 45,000 square meters, with more than 300 sets of large CNC machining centers, more than 40 sets of heat treatment, aluminum casting machines, gear processing equipment, etc.

Strict quality control processes
Passed ISO 9001:2015 quality management system certification and other international certifications
Experienced R&D teams for product innovation
Ability to customize packaging and branding
Annual production exceeds 500,000 units
Experienced R&D teams for product innovation

Our OEM replacement hydraulic gear pumps for Excavators meet global standards and are trusted by importers, distributors, and repair shops worldwide.

FAQs

Cause:

Wrong rotation direction (gear pumps are divided into left/right rotation);

Oil filter is blocked or oil level is too low;

Oil temperature is too low, resulting in abnormal viscosity.

Solution:

Check that the motor direction is consistent with the direction marked on the pump body;

Clean or replace the filter element to ensure that the oil level in the tank meets the standard;

Select oil with appropriate viscosity or heat the oil temperature according to the season.

Cause:

Internal wear (such as excessive axial/radial clearance);

Leakage caused by overflow valve failure or oil contamination;

Air leakage on the suction side or excessive pipeline resistance.

Solution:

Replace worn gears, side plates or sleeves;

Clean or replace the overflow valve, and use hydraulic oil with a cleanliness standard (filtration accuracy ≤60μm);

Check the sealing and optimize the diameter and length of the suction pipe.

Cause:

Wrong rotation direction causes high-pressure oil to impact the oil seal;

Axial/radial force is too large (installation coaxiality deviation);

Seal material is mismatched or aged.

Solution:

Ensure the pump is rotating correctly and use an oil seal with a pressure resistance of ≥0.5MPa;

Adjust the installation coaxiality of the coupling (error ≤0.1mm);

Select oil-resistant seals such as nitrile rubber (NBR) and replace them regularly.

Cause:

Insufficient oil suction (filter element blockage, low oil level or pipeline leakage);

The oil viscosity is too high or contains bubbles;

Bearing damage or insufficient gear meshing accuracy.

Solution:

Clean the oil suction line and ensure the oil tank liquid level;

Replace the oil with appropriate viscosity and remove the air;

Replace the bearing or return to the factory to calibrate the gear accuracy.

Key measures:

Regular maintenance: replace filter elements and oil every 500 hours, and check the status of seals;

Select high-quality spare parts: such as original seal kits (such as KFP51 nitrile rubber kits);

Optimize working conditions: control oil temperature (≤80℃) and system pressure (≤90% of rated value).

Verification process:

Bench test: check whether the pressure, flow and noise meet the standards;

Load test: simulate actual working conditions for 30 minutes, monitor temperature rise and leakage.

Warranty service:

Professional repair shops (such as Permco) provide a 1-year warranty, covering parts replacement and labor costs.

Selection points:

Flow and pressure: Calculate the displacement based on the cylinder thrust (F=P×A) and speed;

Fluid compatibility: Mineral hydraulic oil (viscosity 16-80cSt) is preferred, avoid using highly polluted media;

Installation environment: Self-priming height ≤500mm, avoid high temperature or excessive vibration.

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