Shandong Keystone Hydraulic Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days |
| Packaging Details | Wooden boxes and cartons |
| Application | Other,Metering,oil,Sewage,hydraulic jack etc |
| Pressure | High Pressure,Low Pressure,25MPa,less than 44mpa |
| Structure | Piston Pump,Single-stage Pump,Diaphragm Pump,Gear Pump,Vane Pump |
| Power | Hydraulic,Electric,Pneumatic,7.5KW to 75KW,Other |
| Fuel | Diesel,electric,hydraulic oil,Other,standard 380V 50Hz 3phase |
| Theory | Rotary Pump,Centrifugal Pump,Reciprocating Pump,Electromagnetic Pump,Other |
| Standard or nonstandard | Standard |
| Warranty | 1 Year,12 Months |
| Material | Steel,Aluminum Alloy,Cast Iron,Casting Iron,304SS |
| Type | hydraulic gear pump,electric water pump,Rotary,high pressure jet grouting pumps,diesel pump |
| Product name | High pressure micro hydraulic pumps for logsplitter,hydraulic diaphragm metering pump,Model High Pressure Hydraulic Manual Pumps,High pressure hydraulic hand pumps,Compression machine |
| Color | black，blue |
| Voltage | 380V,220v/50hz,415V,etc are all available,220V |
| Oil capacity | 2200 ml,2.2L,901ml |
| Feature | High Efficiency,Long Life,Waste water treatment for house septic tank or flood,Low Noise |
| Brand Name | KERSTERN |
| Model Number | A4VG90 |
| Certification | SIO9001 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days | Packaging Details | Wooden boxes and cartons |
| Application | Other,Metering,oil,Sewage,hydraulic jack etc | Pressure | High Pressure,Low Pressure,25MPa,less than 44mpa |
| Structure | Piston Pump,Single-stage Pump,Diaphragm Pump,Gear Pump,Vane Pump | Power | Hydraulic,Electric,Pneumatic,7.5KW to 75KW,Other |
| Fuel | Diesel,electric,hydraulic oil,Other,standard 380V 50Hz 3phase | Theory | Rotary Pump,Centrifugal Pump,Reciprocating Pump,Electromagnetic Pump,Other |
| Standard or nonstandard | Standard | Warranty | 1 Year,12 Months |
| Material | Steel,Aluminum Alloy,Cast Iron,Casting Iron,304SS | Type | hydraulic gear pump,electric water pump,Rotary,high pressure jet grouting pumps,diesel pump |
| Product name | High pressure micro hydraulic pumps for logsplitter,hydraulic diaphragm metering pump,Model High Pressure Hydraulic Manual Pumps,High pressure hydraulic hand pumps,Compression machine | Color | black，blue |
| Voltage | 380V,220v/50hz,415V,etc are all available,220V | Oil capacity | 2200 ml,2.2L,901ml |
| Feature | High Efficiency,Long Life,Waste water treatment for house septic tank or flood,Low Noise | Brand Name | KERSTERN |
| Model Number | A4VG90 | Certification | SIO9001 |
| Place of Origin | China | ||
| High Light | A4VG90EP3 axial piston type hydraulic pump ，High Pressure axial piston type hydraulic pump ，Dump Trucks axial piston pump | ||
The A4VG90EP3 High Pressure Variable Axial Piston Pump is a closed-circuit hydraulic pump engineered specifically for heavy-duty dump trucks. With a maximum speed of 3300 rpm, it ensures reliable hydraulic power for lifting, dumping, and operating under tough working conditions. Designed with robust steel and aluminum alloy construction, this pump combines high efficiency, durability, and precise electronic control. The integrated EP3 proportional valve enables accurate adjustment of output flow, making it the ideal solution for the demanding requirements of construction, mining, and heavy-load transportation.
This pump is exclusively designed for heavy-duty dump trucks, providing stable hydraulic performance for:
Lifting and tilting dump truck beds
High-pressure hydraulic actuation in mining trucks
Construction and earthmoving vehicle operations
High Pressure Output: Supports up to 35MPa, perfect for heavy loads.
Variable Flow Control: EP3 electronic proportional valve ensures precise operation.
High Efficiency & Low Noise: Optimized for energy savings and improved operator comfort.
Durability & Longevity: Reinforced construction guarantees long service life.
Tailor-Made for Dump Trucks: Ensures compatibility with hydraulic systems of large trucks.
| Attribute | Value |
|---|---|
| Model Number | A4VG90EP3DM1/32L-NSD10F07 |
| Displacement | 90 ml/r |
| Rotation Direction | Levorotation |
| Work Mode | Closed Circuit |
| Rated Speed | 3000 rpm |
| Maximum Speed | 3300 rpm |
| Maximum Pressure | 445 bar |
| Cut-Off Pressure | 350 bar (adjustable) |
| Housing Pressure | Max 2 bar |
| Oil Suction Pressure | 0.8–5 bar |
| Replenishment Pressure | 25 bar |
| Auxiliary Pump Output | 18 ml/r |
| Control Mode | EP3 electronic proportional (DC 12V) |
| Filtration Precision | 10 μm |
Each A4VG90EP3 pump is produced using CNC machining, heat treatment, precision assembly, and anti-rust surface finishing. Every unit undergoes rigorous quality checks including flow testing, endurance trials, and pressure validation to guarantee consistent performance in dump truck hydraulic systems.
Ensure pump housing is pre-filled with clean hydraulic oil before operation.
Avoid impact on the drive shaft during installation and transportation.
Maintain oil cleanliness at NAS 9 standard.
Protect exposed areas with anti-rust treatment and dust-proof covers.
We provide a one-year warranty, original spare parts, and professional technical support. Our service team assists with troubleshooting, maintenance guidance, and long-term operation reliability for heavy-duty dump truck users.
Q1: Can this pump be used in excavators or other machinery?
A1: No, this pump is designed only for heavy-duty dump trucks.
Q2: What is the maximum speed supported?
A2: The pump operates safely up to 3300 rpm.
Q3: How can I extend service life?
A3: Use genuine parts, monitor oil quality, and schedule regular system checks.
Company Details
Business Type:
Manufacturer
Year Established:
2019
Total Annual:
5000000-6000000
Employee Number:
>55
Ecer Certification：
Verified Supplier
Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw... Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw...
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