Reversible Drill Motor


CS Unitec’s EAU 34/4 CB high-torque, reversible electric drill motor is ideal for a wide range of turning operations that require high torque, multiple speeds and forward and reversible direction. This extremely robust and heavy-duty drive motor is designed for continuous use in driving machines such as bar boring, weld prep, pipe fusion, valve turning and more. A powerful 20 Amp motor with a 4-speed gearbox offers load speeds of 80, 130, 360 and 570 RPM. The EAU 34/4 CB has a maximum torque output of 203 ft.-lbs., and an oilbath gearbox for permanent lubrication. This motor’s control box includes an on/off switch, as well as a switch for forward/reverse direction. 

The EAU 34/4 CB has a twist drilling capacity up to 1-3/4" diameter and a tapping capacity up to 1-5/8”. A morse taper #3 arbor spindle and optional 3/4” and 1” male square drives allow motor compatibility for various drive sockets and accessories. At only 19.5 lbs., this motor is easily portable. It can be supplied ready to be mounted and wired for driving special machines. This motor is also available without the control box as EAU 34/4.  Motors are available in 120V or 230V. 


  • 20 Amp motor
  • 4-speed gearbox
  • torque output of 203 ft.-lbs

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