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 |
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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 | Hydraulic piston axial pump ，A4VG90EP3 piston axial pump ，Heavy Duty Dump Trucks piston axial | ||
The A4VG90EP3 high-pressure variable axial piston hydraulic pump is a premium solution designed exclusively for heavy-duty dump trucks. With a compact yet robust design, it ensures efficient hydraulic power delivery for demanding transport and lifting operations. Featuring a maximum speed of 3000 rpm, advanced variable displacement technology, and durable construction, this pump provides reliable performance even under continuous heavy loads.
Heavy-Duty Dump Trucks: Optimized for hydraulic lifting and unloading systems
Construction Transport Vehicles: Ideal for trucks operating in mining and infrastructure projects
Heavy Haul Equipment: Ensures consistent power for oversized load management
High Pressure Capacity: Supports rated pressure of 350 bar and peak performance up to 445 bar
Variable Displacement: Electric proportional control enables precise adjustment for different working conditions
High Efficiency & Energy Saving: Reduces fuel consumption while maintaining maximum output
Low Noise Operation: Engineered to minimize vibrations and noise, improving the driver’s working environment
Extended Durability: High-strength alloy materials ensure long service life with minimal maintenance
| 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 |
| Cut-Off Pressure | 350 bar (adjustable) |
| High Pressure Overflow | 445 bar |
| Housing Pressure | Max 2 bar |
| Oil Replenishment | 25 bar |
| Control Mode | Electric proportional control (12V) |
| Filter Precision | 10 μm integrated filtration |
Material Selection: Premium alloy steel and aluminum for strength and lightweight balance
Precision CNC Machining: Ensures accuracy and tight tolerances
Heat Treatment: Improves hardness and wear resistance
Assembly & Testing: High-pressure leak and performance tests guarantee reliability
Anti-Corrosion Treatment: Protective coatings extend service life in harsh truck environments
Fill the casing with clean hydraulic oil before initial operation
Maintain oil cleanliness at NAS level 9 or better
Avoid impacts on the transmission shaft during transport and installation
Regularly inspect system pressure and oil condition
Always use genuine spare parts for replacements
Warranty: 12 months against manufacturing defects
Technical Support: Professional guidance for installation and commissioning
Original Spare Parts: Ensures compatibility and reliability
Repair Services: Global after-sales network for quick assistance
Q1: Can the A4VG90EP3 be used in equipment other than dump trucks?
A1: This model is specifically designed for heavy-duty dump trucks, ensuring maximum compatibility and performance.
Q2: What hydraulic oil is recommended?
A2: ISO VG46 or VG68 hydraulic oil, maintaining strict cleanliness standards.
Q3: How often should the hydraulic filters be checked?
A3: Filters should be inspected every 500 operating hours, or sooner in harsh conditions.
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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