Charge Pump Zax55 For Kfp2219/Kfp1950 Excavator Spare Parts
Kyb Hydraulic Gear Pilot Charge Pump Zax55 for Kfp2219/Kfp1950 Excavator Spare Parts
Products Description
The ZAX55 Gear Pump is specifically engineered for reliable hydraulic power transmission in excavators, loaders, and industrial equipment. Featuring a hardened steel gear set and cast iron housing, this pump delivers consistent flow under high pressure while minimizing energy loss. Its compact design and low noise operation make it an ideal choice for applications requiring both efficiency and durability.
Features
High Pressure Capability: Sustains continuous operation at 210 bar (3045 PSI) with peak pressure up to 250 bar.
Exceptional Efficiency: 90+% volumetric efficiency reduces fuel consumption and operational costs.
Robust Construction: Heat-treated gears and sintered bronze bushings ensure long service life in harsh environments.
Low Vibration Design: Helical tooth profile minimizes noise (<78 dB) and system wear.
Versatile Installation: Compatible with SAE J718 and ISO 607 mounting standards for easy integration.
Specifications
| Parameter | ZAX55 Gear Pump |
| Displacement | 55 cm3/rev (3.36 in3/rev) |
| Rated Speed | 1500-1800 RPM (max. 2200 RPM) |
| Maximum Pressure | 210 bar (3045 PSI) |
| Fluid Viscosity | 15-400 cSt (70-1800 SSU) |
| Operating Temperature | -25°C to +80°C (-13°F to +176°F) |
| Inlet/Outlet Thread | SAE 1-1/2" - 12 UNF (female) |
| Weight | 18.5 kg (40.8 lbs) |
| Shaft Type | 25 mm keyed (1" keyed) |
| Fluid Compatibility | Mineral oils, synthetic hydraulic fluids |
Application
Hydraulic systems for excavators (e.g., ZAXIS series), bulldozers, and cranes
Industrial hydraulic presses and metal processing equipment
Agricultural machinery requiring high-pressure fluid transmission
Mobile equipment such as forklifts and aerial work platforms
Advantages
Precision Machining: Gears ground to AGMA quality 9 standards for minimal backlash and smooth operation.
Leak-Proof Sealing: Double-lip NBR seals prevent external leakage and contamination, ensuring system reliability.
Easy Maintenance: Split-case design allows quick access to internal components for inspection or replacement without disassembling the entire system.
Detailed Photos
Company Profile
Ningbo Hyleman Hydraulics Co., Ltd is a scientific and innovative company integrating R & D, production, sales and service of high-quality hydraulic pumps, motors, valves and other hydraulic products.
Hyleman mainly provides Rexroth A4VSO, A10VSO, A4VG, A7VO, A11VO and A2FO series high-pressure piston pumps, Rexroth PGH3, PGH4 and PGH5 series high-pressure gear pumps, A4VM, A6VM, A2FM and A4FM series piston motors; BM3, BM4,BM5, BM6 and other orbit motors. Through the honing and innovation of Hyleman people, Hyleman series products can not only perfectly replace the original products, but also realize the seamless exchange and connection of all the parts. Moreover, it has lower noise, higher volume efficiency and longer service life, so as to completely surpass the quality of the original factory, and withstand the severe test of the market, has been exported to more than 70 countries and regions around the world.
Hyleman series products are widely used in engineering machinery, plastic machinery, metallurgical machinery, environmental sanitation machinery, mining machinery, marine machinery, packaging machinery, port machinery and various hydraulic equipment, which are highly praised by clients.
Hyleman has the world advanced CNC processing equipment, vertical and horizontal machining centers, high-precision double-sided grinding, groove grinding, curve grinding and full-automatic machining centers. With 12 independent testing laboratories, the products have been comprehensively inspected before shipment to ensure that Hyleman series products achieve high precision, high quality and zero defects.
"Optimizing the performance of hydraulic products, improving the quality of hydraulic products and leading the comprehensive upgrading of hydraulic product consumption" is not only the responsibility and mission of Hyleman, but also the Chinese dream of Hyleman. Hyleman are willing to work with people of insight to make unremitting efforts to realize this dream.
Warmly welcome all friends to visit the beautiful port city - Ningbo to discuss cooperation and seek common development with Hyleman!
Exhibitions
Packages
our Advantages
Why Choose HYLEMAN?
1. Top Quality
Depend on 15 years experience at hydraulic pumps design, research, development and manufacturing, we have a top quality compared with domestic and overseas manufacturers, all of our products are with 1 year warranty time.
2. Strict Quality Control System
We have the most strict quality control system, all of our products are 100% tested before shipment and each of them has one tracking code in order to make sure they are with good quality to our customers.
3. Advanced machinery equipment
All the machines we have are new CNC machines we imported from Germany and Japan in order to reach more higher demand at the products accuracy.
4. Strong Technical team
Our technical team all have more than 20 years experience at pumps design and engineering, our chief engineer has more than 40 years experience at pumps design. We have one 15 persons research team, responsible for pumps improvement research and new products development.
5. Competitive Price
Because of good management, our price is more competitive than the original products, more reasonable than most of the domestic suppliers.
6. Fast Delivery time
We can ship small orders within one week, for big orders such as within 500 PCS pumps or cartridge kits usually we can make shipment within one month.
7. Warranty Period
All of our products are within 1 year warranty time after the shipment from our factory.
8. Considerate Service
We can provide technical support at any time if our customers meet any issue during the using, we will provide solutions at the soonest time.
9. Long development strategy
We would like to establish a long time strategy cooperation relationship with our customers, to promote HYLEMAN brand together, support and train the potential customer to be our agent at each country and region all over the world.
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