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Built-in Constant Pump/Motor

LT-A2FEW6.1 Series (45-180ml/r)
Built-in Constant Pump/Motor, LT-A2FEW6.1 Series (45-180ml/r)

The LT-A2FEW6.1 series built-in constant displacement hydraulic motors are suitable for both open-circuit and closed-circuit hydraulic transmission systems. Featuring a fixed-displacement bent-axis design, output speed is proportional to input flow, while output torque increases with system pressure differential. With a built-in configuration, this pump/motor is well suited for direct integration into travel drives, slewing drives, and other compact drive units, meeting hydraulic application requirements for high integration density and compact structure.

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Technical Specifications
Fluid Media Hydraulic oil
Mounting Type Threaded/flanged connection
Seal Material NBR/FKM (Viton)
Body Material Cast iron
Max. Flow Rate 477L/min
Max. Working Pressure 350bar
Size Max. Speed (r/min) Max. Flow (L/min) Rated Pressure (bar) Output Power (kW) Output Torque (Nm) △P=350bar, n=max. speed Mass (kg)
28 4750 133 350 78 156 10.5
32 4750 152 350 89 178 10.5
45 4250 194 350 113 254 15
56 3750 210 350 123 311 18
63 3750 236 350 137 350 19
80 3350 268 350 156 445 23
90 3350 301 350 176 501 25
107 3000 321 350 187 595 34
125 3000 360 350 210 697 36
160 2650 424 350 247 889 47
180 2650 477 350 278 1001 48
Diagram
Diagram
Selection Guidelines
Selection Guidelines
Features & Advantages
  • Built-in structure design: Facilitates system integration while reducing external piping and connection interfaces.
  • Bent-axis constant displacement structure: Provides stable output characteristics and is suitable for continuous-duty operation.
  • Spherical valve plate design: Offers self-centering capability, helping to improve volumetric efficiency and reduce wear.
  • High-reliability bearing arrangement: Designed for high-load conditions and long-term operation.