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Hydraulic Motors
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
  • A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor
A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor

A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor

  • >= 2 Units
    $1,500

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
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A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Hydraulic Energy Conversion: The A4FM series piston motors efficiently convert hydraulic pressure into rotational mechanical power, designed for applications requiring precise torque and high reliability.
  • Versatile Piston Design: Equipped with a robust piston structure, these motors ensure smooth operation under heavy loads, making them ideal for demanding industrial and commercial environments.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal body, you can ensure long-term durability in harsh industrial environments, outperforming conventional cast-iron alternatives*.

  • 2. Precision Piston Design for Adjustable Performance

    • With a variable-displacement piston structure, you can achieve multi-speed operation and adapt to diverse load requirements, unlike fixed-displacement motors*.

  • 3. High-Pressure Tolerance & Efficiency

    • With a peak pressure rating of 420 bar, you can deliver 95% mechanical efficiency—up to 20% higher than traditional gear motors*—for optimal power transmission.

  • 4. Commercial-Grade Reliability for Heavy-Duty Scenarios

    • With robust construction optimized for continuous operation, you can support 24/7 use in construction machinery and industrial equipment, reducing downtime compared to standard hydraulic motors*.

  • 5. ISO-Certified Quality Assurance

    • With ISO 9001:2015 certification, you can trust compliance with global manufacturing standards for safety and performance, backed by Brueninghaus Hydromatik’s reputation for precision engineering.

Product details

A4FM A4FM40 A4FM71 AA4FM71 AA4FM125 AA4FM250 AA4FM500 Brueninghaus Hydromatik A4FM125 A4F250 A4FM500 Motor

The Brueninghaus Hydromatik A4FM series hydraulic motors are high-performance piston motors designed for heavy-duty applications in construction machinery, industrial equipment, and vehicles. Engineered with precision, these motors combine robust durability and efficiency to meet diverse operational demands.

Technical specifications

FeatureSpecificationApplication Scenario
Motor TypeAxial Piston MotorPrecision hydraulic systems requiring high torque and low noise
StructureCompact piston designSpace-constrained machinery (e.g., excavators, pumps)
Pressure RatingUp to 420 barHigh-pressure industrial and construction equipment
Displacement40–500 cm³/rev (model-dependent)Scalable power output for varying load requirements
Efficiency93–96% (based on load)Energy-efficient operation in continuous-duty cycles
CertificationsISO 4400, DIN 70160Compliance with global industrial standards

Customization guide

Adjust displacement or pressure ratings to meet specific torque requirements. Custom material coatings (e.g., corrosion-resistant alloys) are available for harsh environmental conditions.

Get inspired

With the A4FM series, you can achieve seamless power transmission in demanding applications. Whether optimizing material handling systems or enhancing mobile equipment performance, these motors deliver reliability and precision.

Choose your model

ParameterBase Model (A4FM40)Advanced Model (A4FM71/AA4FM71)Pro Model (AA4FM500)
Displacement40 cm³/rev71 cm³/rev500 cm³/rev
Max Pressure420 bar420 bar420 bar
Rotational Speed0–1,000 rpm0–1,200 rpm0–800 rpm
Efficiency93%95%96%

Supplier's note

  1. Technical Breakthroughs:

    • High-pressure tolerance: Withstanding 420 bar ensures safe operation in extreme conditions like mining equipment.
    • Compact design: Reduced footprint by 15% compared to legacy models, ideal for space-limited machinery.
    • Improved efficiency: 96% efficiency in the Pro model reduces energy waste by 20% versus traditional piston motors.

  2. Version Selection Guidance:

    • Base Model (A4FM40): Suitable for standard industrial applications requiring moderate torque (e.g., conveyors).
    • Advanced Model (A4FM71/AA4FM71): Optimized for mid-range construction machinery (e.g., compact excavators) needing balanced power and speed.
    • Pro Model (AA4FM500): Designed for heavy-duty applications like large excavators or ship steering systems, offering 3x the torque of industry benchmarks.

With the Pro version’s triple-certified chemical resistance and 96% efficiency, you can ensure longevity in corrosive environments while cutting operational costs. Pair its high displacement with low-speed torque to handle heavy loads smoothly.

Frequently asked questions

  • Which Brueninghaus A4FM hydraulic motor model suits high-pressure construction machinery applications?

  • How do I maintain the piston structure of the Brueninghaus A4FM125 hydraulic motor?

  • What are the key differences between piston and vane hydraulic motors like the Brueninghaus A4FM series?

  • Can the Brueninghaus A4FM250 hydraulic motor be customized for specific torque requirements?

  • Is the Brueninghaus A4FM71 hydraulic motor FDA-approved for food processing equipment?

  • What applications are best suited for the Brueninghaus AA4FM125 piston motor?

  • How does the Brueninghaus A4F250 hydraulic motor handle extreme temperatures?

  • What certifications validate the Brueninghaus A4FM500 hydraulic motor’s performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Gear MotorsLow-pressure systems (conveyors, pumps)Spur/gerotor design, displacement: 1–100 cm³/rev (ISO 4396)▲ Low cost ($200–$500), minimal maintenance (▲ Simple design reduces downtime)Low efficiency (▲ Axial Piston offers 90%+ efficiency), noisy operation (▲ Quieter in high-pressure systems)
Vane MotorsModerate-pressure systems (agricultural)Balanced vane design, max pressure: 200 bar (ISO 3444)Smooth torque output (▲ Minimal vibration), compact size (▲ 20% smaller than radial)Limited pressure capacity (▲ Advanced axial models handle 420 bar), wears faster (▲ Longer lifespan in piston variants)
Radial Piston MotorsHigh-torque applications (heavy machinery)Radial piston arrangement, displacement: 50–200 cm³/rev (DIN 70400)High torque density (▲ 30% higher torque than gear), precise control (▲ ±2% accuracy)Bulky design (▲ Axial piston is 40% more compact), high cost (▲ Base models start at $1,200)
Axial Piston Motors (A4FM Series)High-performance systems (excavators)Axial piston design, displacement: 40–500 cm³/rev (ISO 4396) ▲ Base: 40–125 cm³ ▲ Advanced: 250–500 cm³▲ Base: 85% efficiency (▲ 15% better than vane), compact ▲ Advanced: 420 bar max pressure (▲ Handles heavy-duty loads like mining)Complex maintenance (▲ Requires specialized training), higher upfront cost (▲ Advanced models: $3,000–$8,000)
High-Pressure Axial Piston MotorsExtreme industrial use (oil drilling)▲ Advanced A4FM500: 500 cm³/rev, 420 bar (DIN 70400)▲ Advanced: Withstands 420 bar (▲ Equivalent to 60,000 psi), durable seals (▲ 5,000-hour lifespan)▲ Advanced: Heavier (▲ 2x weight of gear motors), requires hydraulic oil cooling
Axial-Piston with Charge PumpIntegrated systems (complex machinery)▲ Advanced variants: Built-in charge pump (ISO 1219), displacement: 250–500 cm³▲ Advanced: Simplifies installation (▲ Eliminates external charge pumps), ▲ Base: 90% efficiency (▲ 10% better than radial)▲ Advanced: Higher cost (▲ 30% markup vs standalone models), limited scalability (▲ Only for high-displacement needs)

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