Rexroth A6VM250 Variable Piston Hydraulic Motor
Product Introduction: A6VM250 bent-axis axial piston variable motor, designed for closed-circuit hydrostatic transmission. Adjustable displacement with stable low-speed performance, widely used for medium-sized construction machinery.
Core Advantages: High starting efficiency, fast response, stable rotation under low speed, strong anti-impact bearing, long service life, multiple control modes including HA, EP, DA hydraulic & electric control.
Technical Specifications
Displacement: 250cc
Rated Pressure: 400bar
Peak Pressure: 450bar
Structure: Bent Axis Piston
Control Type: HA / DA / EP proportional control
Rated Pressure: 400bar
Peak Pressure: 450bar
Structure: Bent Axis Piston
Control Type: HA / DA / EP proportional control
Application & Equipment
Excavator swing drive, rotary drilling rig power head, combine harvester travel system, small crawler carrier, hydraulic winch for engineering machinery.
FAQ (A6VM250)
Q1: Can A6VM250 work with A4VG closed pump?
A: Yes, A6VM250 perfectly matches Rexroth A4VG series closed variable pump for complete hydrostatic drive loop.
A: Yes, A6VM250 perfectly matches Rexroth A4VG series closed variable pump for complete hydrostatic drive loop.
Q2: What control options are available for this 250cc motor?
A: It supports HA automatic torque control, DA speed sensing control and EP2 24V electric proportional control.
A: It supports HA automatic torque control, DA speed sensing control and EP2 24V electric proportional control.
Q3: Is this unit suitable for continuous low-speed heavy load?
A: The bent-axis structure ensures excellent low-speed uniformity without crawling under continuous heavy torque.
A: The bent-axis structure ensures excellent low-speed uniformity without crawling under continuous heavy torque.
Q4: What causes internal leakage of A6VM250?
A: Worn valve plate, cylinder block and plunger assembly are the main leakage parts, easy to repair with spare kits.
A: Worn valve plate, cylinder block and plunger assembly are the main leakage parts, easy to repair with spare kits.
Q5: Can we adjust displacement down to zero?
A: Yes, this variable motor can infinitely adjust displacement from maximum down to 0 for stepless speed regulation.
A: Yes, this variable motor can infinitely adjust displacement from maximum down to 0 for stepless speed regulation.
Q6: What hydraulic oil grade do we recommend?
A: Use ISO VG46 anti-wear hydraulic oil within the working temperature range of -20℃ ~ +80℃.
A: Use ISO VG46 anti-wear hydraulic oil within the working temperature range of -20℃ ~ +80℃.
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