25M42A2 1C20

The 25M42A2 1C20 vane motor belongs to the Vane Motors series and is manufactured by Vickers for hydraulic automation where hydraulic energy is converted into rotary motion to drive machinery. Design number 20 denotes the internal build revision that aligns the motor with current component tolerances. Ten vanes create uniform chamber spacing to minimize flow ripple and deliver consistent torque. Bidirectional rotation allows the unit to operate in forward or reverse, supporting reversible equipment without changing plumbing. A ring torque rating of 42 in-lbf per 100 psi defines the mechanical load the rotor ring can transmit under pressure. The motor employs an external drain so case oil can return to tank independently and prevent seal overload. A 3/16-inch square shaft key fixes the shaft to couplings and resists slip under load.

This motor installs with a body face mount that brings the housing flush against a manifold or plate for compact assembly. A complementary SAE two-bolt mounting flange supplies precise alignment and repeatable positioning on standard hydraulic frames. Fluid enters and leaves through SAE four-bolt flange ports, giving a rigid, leak-resistant joint suited for high flow rates. The front bracket ports are oriented at the 12 o’clock position so hoses can run upward and clear surrounding components. Ports on the cover end are arranged in line, maintaining direct flow paths that reduce turbulence and pressure drop across the motor. Together these connection features accelerate installation, simplify service access, and support consistent performance in mobile or stationary hydraulic systems.