You are here: Home » Products » Hydraulic Pump » Hydraulic Gear Pump » P30 Parker P30 Gear Pump

loading

P30 Parker P30 Gear Pump

The P30 Series (originally developed by Commercial Intertech) is a heavy-duty, roller-bearing gear pump designed for rugged mobile and industrial applications. Known for its three-piece cast iron construction and high-strength alloy steel gears, it offers exceptional durability and performance in high-pressure environments.
 
  • P30

  • Green Hydraulic

  • P30

  • Standard export carton/plywood case

  • Yes

  • ISO9001,CE

  • • Industrial • Energy • Government (Non Aerospace) • HVAC • Mobile • Natural Resources • Transportation (Non Aerospace)

  • 1. Industrial Hydraulic Systems 2. Mobile Equipment (Industrial Vehicles) 3. Construction and Engineering Machinery 4. Metallurgy Industry

  • Key Shaft and Spline shaft

  • 1 set

Availability:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button

Product Description

P30 SERIES Gear Pump  Overview

The Parker P30 is a heavy-duty, fixed-displacement roller-bearing gear pump engineered for rugged mobile applications that demand maximum durability and reliable performance. Featuring a robust three-piece cast iron construction, the P30 is specifically designed to provide high mechanical efficiency and long service life in high-cycle environments, making it an industry standard for construction, material handling, and forestry equipment.

Features and Benefits

  • Rugged Three-Piece Cast Iron Construction:
    The P30 is built with high-tensile, heavy-duty cast iron bodies and covers, providing superior structural rigidity compared to aluminum alternatives. This robust construction minimizes internal deflection and mechanical fatigue under high-pressure duty cycles, ensuring stable performance and extended service life in grueling work environments.

  • Heavy-Duty Roller Bearing Design:
    Utilizing high-capacity roller bearings instead of bushings, the P30 is designed to withstand higher shaft side loads and provide excellent durability in contaminated or harsh fluid environments. This design is inherently robust, offering high resistance to mechanical wear and maintaining smooth operation during intensive use.

  • High-Strength Alloy Steel Gears:
    Equipped with precision-machined, high-strength alloy steel gears and integral drive shafts, the P30 ensures exceptional torque transmission and consistent power delivery. This minimizes internal fluid bypass and friction, providing reliable flow and high volumetric efficiency across all operating temperatures.

  • Proven High-Pressure Capability:
    Despite its long-standing history in the market, the P30 is engineered to handle continuous operating pressures of up to 2,500 psi (172 bar). Its heavy-duty components allow it to power high-force actuators and complex hydraulic circuits with smooth, reliable flow in demanding mobile applications.

  • Modular Versatility and Installation Flexibility:
    The P30 series offers a versatile range of displacements (from 10.2 to 40.6 cc/rev) and supports standard SAE "B" mounting options. Available in single, tandem, or multiple unit configurations, it provides unmatched installation flexibility for complex hydraulic systems and specialized mobile equipment.

Model Codes

P30(2)P30(3)P30(4)P30(5)P30(6)P30(7)

Technical Data

Gear Width (in)      Displacement Displacement (cc/rev) Flow @ 1000 RPM (GPM) Flow @ 2400 RPM (GPM)
0.50" 0.625 10.2 2.7 6.5
0.75" 0.938 15.4 4.1 9.8
1.00" 1.25 20.5 5.4 13
1.25" 1.563 25.6 6.8 16.2
1.50" 1.875 30.7 8.1 19.5
1.75" 2.188 35.8 9.5 22.7
2.00" 2.5 41 10.8 26

P30 Hydraulic Gear Pump Installation Dimensions

P30(1)

Applications

The Parker P30 series provides a rugged, heavy-duty power solution specifically tailored for demanding mobile and industrial applications where high mechanical strength and resistance to fluid contamination are required:
  • Construction & Earthmoving Equipment: A primary choice for backhoes, small dozers, and mid-sized excavators, where the robust roller-bearing design of the P30 handles heavy side loads and ensures reliable lifting and digging power.

  • Material Handling & Lift Trucks: Optimized for high-capacity forklifts and telescopic handlers, where the three-piece cast iron construction ensures long-term durability and stability during high-frequency lifting cycles and intense work shifts.

  • Refuse & Waste Management: Widely used in residential garbage compactors and recycling trucks that require consistent high-pressure performance to manage continuous compaction and unloading operations in harsh environments.

  • Forestry & Logging Machinery: Ideal for log loaders, splitters, and feller bunchers, offering a durable power source that maintains high efficiency even when operating with fluids that may have higher levels of particulate contamination.

  • Heavy-Duty Service Vehicles: Frequently employed in truck-mounted cranes, large recovery winches, and specialized utility equipment, where the P30 handles variable load shocks and delivers dependable hydraulic flow for critical positioning tasks.

Vane Pump Application



Packaging & Delivery

P30 pumps are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.


P30 Gear Pump  FAQ

1. What are P30 series gear pumps

The P30 is a heavy-duty, fixed-displacement roller-bearing gear pump and a legendary component of the Commercial Intertech (now Parker) product line. Featuring a rugged three-piece  cast iron construction , it is specifically engineered for high-endurance hydraulic systems that require exceptional mechanical strength and long service life in harsh mobile environments.

2. What makes the P30 different from standard bushing gear pumps

The P30 is built for extreme durability in demanding applications where standard bushing-style pumps may wear prematurely:
  • Heavy-Duty Roller Bearings: Unlike bushing pumps, the P30 utilizes high-capacity roller bearings that provide superior resistance to shaft side loads and are more tolerant of fluid contamination.

  • Rugged Cast Iron Housing: The high-tensile cast iron bodies and covers minimize internal deflection, ensuring stable performance and a longer service life under high-cycle duty.

  • Proven Reliability: Its classic design is built to handle the mechanical shocks and vibration common in heavy construction and forestry machinery.

3. What is the working pressure range of P30 pumps

The P30 is a robust medium-to-high pressure pump. Depending on the gear width and application, the series typically handles:
  • Continuous Pressure: Up to 2,500 PSI (172 bar).

  • Intermittent/Peak Pressure: Up to 2,750 PSI (190 bar).
    This reliable pressure rating makes the P30 ideal for driving hydraulic cylinders and motors on professional-grade vocational vehicles.

4. Can P30 pumps replace other brands

Yes, the P30 is an industry-standard design and is a high-quality alternative to other premium roller-bearing cast iron pumps. It is often used as a replacement or upgrade for:
  • Commercial Intertech: P31 Series (bushing equivalent) or older P30 units.

  • Metaris: MH30 Series.

  • Permco: P2100 Series.
    To ensure a successful swap, verify the Mounting Flange (SAE B), Shaft Type (13-tooth spline or keyed), and Gear Width to match your existing system.

5. What hydraulic oil is suitable for P30 gear pumps

To protect the high-precision roller bearings and hardened steel gears, the following is recommended:
  • Oil Type: Premium mineral-based hydraulic fluids with strong Anti-Wear (AW) additive packages.

  • Viscosity: Standard ISO VG32 to VG68. The optimal operating range is 100 to 150 SUS (20 to 30 cSt), though the P30 can handle cold starts with higher viscosity levels.

  • Filtration: Cleanliness is vital. A minimum filtration of ISO 4406 18/16/13 is recommended to prevent abrasive particles from damaging the precision-ground gear teeth and bearings.

6. What is the typical speed range of P30 pumps

The P30 series is designed for versatile engine speeds:
  • Minimum Speed: 600 RPM.

  • Maximum Speed: Up to 2,400 RPM (depending on the gear width and inlet conditions).

7. Do you provide OEM or customized services

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

8. How can I get a quotation quickly

Please provide the following details:

  • Model or displacement

  • Working pressure

  • Speed

  • Quantity
    We will reply within 12 hours with a competitive quotation.


Certifications & Quality Assurance

P30 pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.



Green Hydraulic Patent Certificate

FAQ

1.How does the variable displacement work?

The pump's flow is adjusted by changing the angle of an internal swash plate. As the swash plate angle changes, the stroke length of the pistons varies, which in turn changes the volume of fluid displaced per rotation, allowing the flow rate to adapt to the system's needs.


2.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.


3.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.


4.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.


5.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).


Unedited footage of the Green Hydraulic Factory

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

Unedited footage of the Green Hydraulic Factory

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.

Unedited footage of the Green Hydraulic Factory

Green Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

Unedited footage of the Green Hydraulic Factory4

To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Unedited footage of the Green Hydraulic Factory5

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.


Green Hydraulic Advantages
Green logo


Previous: 
Next: 

GREEN HYDRAULIC CAN GIVE YOU THE SERVICE AND ATTENTION THAT BIGGER COMPANIES CANNOT

Contact us
If There Are Any Gerreen Machining lssues,
Please Contact Us.
Hydraulic
Application
Why Green
COPYRIGHT © 2025 CHANGZHOU GREEN HYDRAULIC CO., LTD. ALL RIGHTS RESERVED.