Dynamatic technologies, the largest producer of hydraulic gear pumps, has launched 1dr series of motors. The 1dr series of motors is the most recent addition to the dynamatic product range and offers excellent flow speed ratings combined with high-speed low torque capability. The salient features of the 1dr series of motors are detailed below: 1dr series of motors is fitted with twelve tooth gears to provide optimum power to weight ratio compared to eight tooth version; the theoretical displacement offered by 1dr series of motors are 6.9, 12. 19 and 27cc/rev; 1dr series of motors can be provided with either internal or external drain arrangement depending upon the application requirement: can be provided with various types of integral valves depending upon the application requirement. Options: drive shaft - the options in the 1dr series of motors include the parallel shaft and the splined shaft version. Rotation: available with alternatives, viz., clockwise, counter-clockwise and bi-directional. Applications: drill rigs; cranes and aerial plat- forms: agricultural machinery: timber cutting and milling machinery; building construction machinery: etc.