MHT 380 N130 S20

The MHT 380 N130 S20 hydraulic motor belongs to the Vane Motors series manufactured by Vickers and is intended to convert pressurized fluid into controlled rotation for hydraulic automation. Its theoretical displacement of 4719 cc per revolution supplies high volumetric output for low-speed, high-torque duties. The unit tolerates a rated pressure of 138 bar, allowing it to work in medium-pressure circuits without derating. A torque factor of 515 Nm for every 100 psi provides a direct conversion for load calculations during system sizing. Internal lubrication requires a minimum case flow of 1.89 l/min, which limits temperature rise and prevents varnish formation. Case port pressure must stay below 1.7 bar so the housing seals are not overstressed, and the SAE 2.50 inch four-bolt working port flange mates with standard high-flow connections for quick installation.

Mechanical mounting relies on a bolt circle diameter of 342.9 mm to distribute clamping forces evenly around the housing, while mounting screws may enter to a maximum depth of 38.1 mm to avoid damaging internal components. The drain port is tapped .8750-14 UNF-2B, permitting the use of widely available fittings for low-pressure return lines. A shaft seal diameter of 104.78 mm isolates the internal fluid from the surrounding environment and restricts external contamination. The rotor employs 48 spline teeth so torque is transmitted uniformly to the output shaft, minimizing stress concentrations and extending service life. These structural parameters combine with the fluid performance figures to let the motor integrate securely and operate reliably in automated hydraulic drive systems.