Heavy Duty A4vso250 A4vso355 A4vso500 Piston Pump for Open Circuit

Name: Heavy Duty A4vso250 A4vso355 A4vso500 Piston Pump for Open Circuit
Brand: Ningbo Hyleman Hydraulic Co., Ltd.
SKU: 1987806021

Zhejiang, ChinaNingbo Hyleman Hydraulic Co., Ltd.

US$3,000.00-5,000.00

1 Piece

Sample price:US$3000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

1 Year

Model NO.

A4VSO 355

Structure

Axial Plunger Pump

Cylinder Number

Single Cylinder

Drive Mode

Hydraulic Driven Reciprocating Pump

Pump Shaft Position

Horizontal

Type

Axial Piston

Power

Hydraulic

Straight Shaft Swashplate Piston Type

Pressureoil

Radial Plunger Pump Type

Axial Flow

Material

Cast Iron

Rated Pressure

350bar

Peak Pressure

400bar

Max Speed

3200 Rpm

Displacement

40 71 125 180 250 300 355 500 750

Seals

NBR/FKM

Series

10 30

Rotation

R L

Transport Package

Wooden Box

Specification

A4VSO

Trademark

HYLEMAN

Origin

China

HS Code

8413503190

Production Capacity

10000

Key features

100% Interchangeable Solution: Fully compatible with Rexroth A4VSO, A4VSG, and A10VO series pumps.

High Pressure Performance: Rated pressure 350 bar, max pressure 400 bar for demanding applications.

1-Year Warranty Coverage: Covers all mechanical defects for 1 year after shipment from factory.

Variable Displacement Design: Swashplate design allows continuous flow adjustment for hydrostatic drives.

Low Noise Operation: Optimized design with pre-compression volume reduces pressure pulsation.

Flexible Installation Options: Supports any installation position and variable through drive configurations.

Fast Delivery Capability: Small orders ship within one week; large orders within one month.

Comprehensive Technical Support: Expert engineering team available for installation and troubleshooting.

Company profile

High Repeat Buyers ChoiceFast DeliveryR&D Capabilities

Ningbo Hyleman Hydraulic Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤6.19h

AI-Powered supplier vetting

SummaryNingbo Hyleman Hydraulic Co., Ltd. is a China-based limited trading company established in 2021 with five employees, offering a broad range of hydraulic products and serving markets across multiple regions. It reports OEM service for well-known brands, ODM availability, sample-based customization, repeat-buyer preference of 80%–100%, and substantial stated product output. However, it is not identified as a professional technical supplier, has only one R&D engineer, launched no new products in the last year, and lacks 3D software design and SDK capabilities. Overseas service infrastructure is absent, while service procedures, complaint handling, and corrective-action records are not documented. Certification information, customer case details, and sufficient evidence of financial strength are unavailable.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agent or branch, and has not participated in offline trade shows. It also lacks written procedures or records for complaint handling, corrective and preventive actions, and effective service assessment; overseas service coverage is stated as zero countries.

R&D capabilityInnovation capability is weakly supported: the supplier is not identified as a professional technical supplier, has one R&D engineer, launched no new products in the last year, lacks 3D software design services and an SDK, and has one year of stated R&D-engineer experience. ODM service is available, but this does not offset the explicit limitations in product-development capability.

Customization capabilityThe supplier explicitly provides customization from samples and offers ODM services, supporting a demonstrated ability to handle sample-based and original-design manufacturing requirements. Its lack of 3D software design services and SDK limits the extent of supported technical customization.

Client casesThe supplier states that it provides OEM services for well-known brands and reports a repeat-buyer preference of 80%–100%. These are positive customer-related indicators, but no named customers, project descriptions, or verifiable case details are provided.

Product Q&A

Q:How do I identify the correct replacement model?

You need to check the Nameplate on the motor. Key information includes: Model Code,Displacement ,Shaft Type

Q:How does your pricing compare to the original brand?

We offer a significant cost advantage compared to the original manufacturer. As a high-quality aftermarket alternative, we eliminate the premium branding costs while maintaining rigorous manufacturing standards. You get the same robust performance and reliability at a much more competitive price point, helping you reduce your equipment BOM (Bill of Materials) costs.

Q:What is your standard delivery time?

Our standard delivery time is 15 to 30 days. We understand that project timelines are critical. Unlike the original brand, which may have unpredictable lead times or supply chain bottlenecks, we maintain a steady production schedule to ensure you receive your hydraulic components within this timeframe, allowing you to plan your production or maintenance schedules with confidence.

Q:Do you offer technical support for installation?

Absolutely. We provide comprehensive technical support to ensure a smooth installation process. If you have questions, our engineering team is ready to assist you to ensure the pump integrates perfectly into your hydraulic system.