Rexroth A6VM140 Motor | A6VM140EP7 Variable Piston Motor | A6VM140EP7/63W-VZB027DH-A

Rexroth A6VM140 Series High-Pressure Variable Axial Piston Motors

Product Overview:

The Rexroth A6VM140 Series is a premier bent-axis variable displacement axial piston motor engineered for high-performance hydrostatic transmissions. As a flagship of the Series 63 design, the A6VM140 is the global standard for heavy-duty mobile machinery, offering elite power density and a massive displacement adjustment range. This page features the high-precision electronic control model: A6VM140EP7 (also known as A6VM140-EP7), specifically configured as A6VM140EP7/63W-VZB027DH-A. These motors are the definitive power source for rotary drilling rig heads, excavator travel drives, heavy-duty crane winches, and combine harvester transmission systems.

Key Technical Advantages:

• Electronic Proportional Control (EP7): Equipped with advanced electric proportional adjustment, allowing for precise, stepless displacement changes from $V_{min}$ to $V_{max}$ via electronic signals.

• Elite Torque Delivery: Provides powerful torque at low speeds and high pressures, effortlessly handling complex terrain and heavy-load startups.

• 40° Bent-Axis Technology: The iconic bent-axis architecture maximizes volumetric efficiency while ensuring outstanding reliability and an extended service life.

• Extreme Pressure Resilience: Rated for a continuous pressure of 400 Bar with peak capabilities reaching 450 Bar (6500 PSI), built to withstand intense shock loads.

• Target Applications: Crawler travel mechanisms, material handling equipment, mining machinery, and high-performance industrial drives.

Detailed Models & Parameters:

• Core Series: Rexroth A6VM Series (Generation 63).

• Full Model Spec Decoding (A6VM140EP7/63W-VZB027DH-A):

  • A6VM140: Variable displacement piston unit, size 140cc/rev.

  • EP7: Electronic proportional control with proportional solenoids.

  • 63W: Series 63 design, suitable for mineral oils or HFC fluids.

  • VZB027DH-A: Specifics regarding shaft ends, mounting flanges, and porting configurations.

• Core Performance Specs:

  • Max Displacement: 140 cm³/rev.

  • Operating Pressure: Rated 400 Bar / Peak 450 Bar.

  • Rotation: Bi-directional capability.