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2GG
Green Hydraulic
2GG
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
Product Description
The 2GG series is a high-performance, fixed-displacement external gear hydraulic pump engineered for compact, reliable power delivery in mobile and industrial hydraulic systems. Featuring a lightweight yet robust aluminum alloy construction, the 2GG is specifically designed to offer high power-to-weight ratio, making it an ideal choice for space-constrained applications where consistent performance and durability are critical.
Specifications
| Parameter | Specification |
| Type | External gear pump, fixed displacement |
| Displacement Range | 4 – 33 cc/rev (0.24 – 2.01 in⊃3;/rev) |
| Continuous Pressure | Up to 230 bar (3,335 psi) |
| Intermittent Pressure | Up to 250 bar (3,625 psi) |
| Rated Speed Range | 600 – 3,000 RPM |
| Maximum Speed | 4,000 RPM |
| Construction Material | High‑strength aluminum housing, cast iron covers, alloy steel gears |
| Bearing Design | Pressure‑balanced bushings (axial hydraulic balance) |
| Mounting Flange | Standard SAE "A" / "B" two‑bolt flange |
| Port Options | Side and rear ports (dual‑port design) |
| Shaft Types | Keyed or spline shaft (SAE standard) |
| Fluid Compatibility | Petroleum‑based hydraulic oils (ISO VG 32/46/68) |
| Operating Temperature | -18 °C to +100 °C (0 °F to +212 °F) |
| Viscosity Range | 10 – 100 cSt (recommended 20 – 50 cSt) |
| Volumetric Efficiency | ≥ 90% at rated pressure and speed |
| Overall Efficiency | ≥ 85% at rated conditions |
Applications
Applications
Utility & Service Vehicles: A primary choice for small excavators, forklifts, and truck-mounted equipment, where the compact 2GG frame integrates easily with various power sources to provide reliable lifting and positioning power.
Snow & Ice Control: Optimized for salt spreaders and small plow systems, where the robust construction and bushing design ensure long-term durability against corrosive environments and high-frequency winter maintenance cycles.
Commercial Refuse & Recycling: Widely used in small-frame garbage collectors and waste bin lifters that require high-cycle, stable pressure to manage compaction and unloading operations.
Small Material Handling: Ideal for truck tail-lifts, hydraulic ramp systems, and pallet jacks, offering a durable and space-efficient power source that maintains high efficiency under heavy-load conditions.
Specialized Agricultural Equipment: Frequently employed in seeders, fertilizer spreaders, and implement steering systems, where the 2GG handles variable load shocks and fluid contamination common in outdoor field environments.
General Industrial Hydraulics: Suitable for machine tools, conveyor systems, and power packs, delivering consistent flow for auxiliary circuits and low-to-medium pressure applications.
Factory&FAQ
2GG 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.
Lightweight High-Rigidity Construction: Unlike basic gear pumps, the 2GG uses a high-strength aluminum alloy housing that balances low weight with structural integrity, minimizing deflection under pressure.
Pressure-Balanced Bushing Design: It incorporates advanced axial compensation and pressure-balanced bushings to reduce internal leakage and friction, maintaining high volumetric efficiency even at varying loads.
Flexible Mounting and Port Options: Standardized with both side and rear port configurations, the 2GG offers superior installation flexibility in space-constrained equipment compared to fixed-port designs.
The 2GG series is engineered for reliable medium-to-high pressure operation:
Continuous Pressure: Up to 230 bar (3,335 psi).
Intermittent/Peak Pressure: Up to 250 bar (3,625 psi).
This robust pressure rating makes the 2GG suitable for driving hydraulic circuits in excavators, forklifts, and agricultural machinery.
Yes, the 2GG is a high-quality, cost-effective alternative to many standard gear pump brands. It is commonly used as a replacement or upgrade for:
HGP series gear pumps
CB series Chinese standard gear pumps
Hydromax and other common aluminum-body gear pumps
To ensure a successful swap, verify the Mounting Flange (SAE A/B), Shaft Type (keyed/spline), and Displacement (cc/rev) to match your existing system.
To protect the precision gears and bushings, the following is recommended:
Oil Type: Premium mineral-based hydraulic fluids with anti-wear (AW) additives.
Viscosity: ISO VG32 to VG68; optimal operating range is 20–50 cSt, suitable for most ambient conditions.
Filtration: ISO 4406 18/16/13 cleanliness level is recommended to prevent abrasive wear on gear and bushing surfaces.
The 2GG supports a wide operating speed range:
Rated Speed: 600–3,000 RPM.
Maximum Speed: Up to 4,000 RPM (dependent on displacement and oil viscosity).
Operating within this range ensures stable flow, low noise, and extended service life.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
Please provide the following details:
Model or displacement
Working pressure
Speed
Quantity
We will reply within 12 hours with a competitive quotation.
2GG 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.
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.
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.
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.
Of course we can. Just send me your logo we can make it for you.
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%).
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.
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.
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.
All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.
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.
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.
