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The 20/912800 Hydraulic Gear Pump is a high-performance external gear pump designed for reliable hydraulic power transmission in construction and agricultural machinery. Built with a durable cast iron housing and precision-engineered internal gears, it delivers stable flow output, high efficiency, and long service life under demanding working conditions.
20/912800
Green Hydraulic
20/912800
Yes
ISO9001，CE
• Industrial • Energy • Government (Non Aerospace) • HVAC • Mobile • Natural Resources • Transportation (Non Aerospace)
JCB 4CX，JCB 3CX
Key Shaft and Spline shaft
1 set
Product Description
The 20/912800 Hydraulic Gear Pump is a high-performance external gear pump designed for reliable hydraulic power transmission in construction machinery. Manufactured with a heavy-duty cast iron housing and precision-machined gears, it ensures stable flow output, high efficiency, and long service life under demanding working conditions.
Engineered to meet OEM standards, this pump is widely used as a replacement for JCB equipment, offering excellent compatibility, easy installation, and cost-effective performance for global customers.
OEM-Level Compatibility
Direct replacement for JCB original pump (20/912800)
Heavy-Duty Construction
High-strength cast iron housing for long service life
Stable Flow Output
Provides consistent and smooth hydraulic performance
High Efficiency Design
Optimized gear structure reduces leakage and improves efficiency
Low Noise Operation
Ensures quieter system performance
Easy Installation
Standard flange and port design for quick replacement
Specifications
| Parameter | Specification |
| Rotation | Counter-Clockwise (looking from shaft end) |
| Shaft | 1" Diameter Parallel Keyed Shaft |
| Mounting Flange | SAE B 2 hole |
| Front Pump Displacement | 33 cc/rev (33L/Min per 1000 rpm) |
| Rear Pump Displacement | 29 cc/rev (29L/Min per 1000 rpm) |
| Flange Inlet | Combined 2" SAE |
| Front Pump Outlet | 1 1/16"-12 UNF threaded |
| Rear Pump Outlet | 7/8"-14 UNF threaded |
| Maximum Working Pressure on Front Pump | 275 bar |
| Maximum Working Pressure on Rear Pump | 275 bar |
| Max. Input Shaft Torque | 325 Nm |
| Weight | 26 kg |
Applications
JCB Backhoe Loaders
Excavators
Wheel Loaders
Telehandlers
Hydraulic Power Systems
Also suitable for:
Agricultural machinery
Material handling equipment
Mobile hydraulic systems
1. What machines use the 20/912800 pump?
It is mainly used in JCB backhoe loaders and construction equipment.
2. Is this an OEM product?
It is an OEM-equivalent replacement pump with the same performance.
3. Can it be installed directly?
Yes, it supports direct replacement without modification.
4. What pressure can it handle?
Up to 25 MPa (250 bar) depending on system conditions.
5. What are your advantages?
Competitive price, stable quality, and fast delivery.
6. Do you support customization?
Yes, OEM and bulk customization are supported.
Factory & FAQ
Green Hydraulic is a specialized manufacturer dedicated to the research, development, and production of high-performance hydraulic components. With years of industry experience and a strong commitment to innovation, we deliver reliable and efficient solutions tailored to meet the evolving demands of global customers.
Our VA35 / VG35 Series is designed with advanced engineering and precision manufacturing to ensure superior performance, durability, and energy efficiency. These products are widely applied in construction machinery, agricultural equipment, and industrial systems, offering stable operation even under demanding working conditions.
At Green Hydraulic, we prioritize quality at every stage of production. From raw material selection to final testing, each product undergoes strict quality control to guarantee consistency and reliability. Our modern manufacturing facilities, skilled technical team, and continuous improvement processes enable us to maintain high standards and competitive lead times.
We are committed to providing not only high-quality products but also excellent customer service. With flexible customization options and responsive technical support, Green Hydraulic aims to build long-term partnerships and create sustainable value for our clients worldwide.
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