Mobile power with up to 300 Nm

Ideal for everyday work - light and compact.

The wero GMS 300 P with a continuous torque of up to 300 Nm and a breakaway torque of up to 450 Nm is particularly popular for daily gate valve maintenance. With up to 130 revolutions per minute and a weight of less than 4 kg, the wero GMS 300 P is a perfect work facilitation - quickly and effectively.

The series is complemented by the comprehensive range of wero accessories, making it powerful and mobile.

Request nowGMS 300 P as a set

With its 650 Nm continuous torque, the GMS 650 Z is your professional partner in the gas, water, sewage and industrial sectors.
wero Antriebstechnik GmbH - gate valve wrenches WMS 300 P with new drive and accu

Top features of the GMS 300 P:

  • up to 300 Nm continuous torque and a breakaway torque of 450 Nm, maximum 130 rpm spindle speed
  • 18 VDC brushless EC-TEC motor with metal gearbox, 4 speeds and electronic torque cut-off
  • integrated differential counter module for recording the spindle revolutions
  • Only 3.5 kg total weight
  • incl. 3/4“ tool quadrant outlet, 33 mm interchangeable quadrant and cardan joint
  • incl. 2 pieces Li-HighPower battery packs, 4.0 Ah
  • optional aluminium case for easy storage and safe transport
  • extensive accessories for many areas of application, e.g. under- or above-ground hydrants, manhole cover locks, tapping devices, crane winches and for emergency operation of automated drives is optionally available

GMS 300 P - Akku betriebene Schieberdrehmaschine

GMS 300 P

wero multi-function adapter for hand wheels (for 3, 4 or 5-spoke versions in various designs)
With 4-speed gearbox

GMS 300 P

With 4-speed gearbox
GMS 300 P - Akku betriebene Schieberdrehmaschine

GMS 300 P

With optional castors for support.
GMS 300 P - Akku betriebene Schieberdrehmaschine

GMS 300 P

wero side gear and wero telescopic drive linkages and joints for the operation of gate valves in underground shaft structures.
Integrated differential counter module for recording the spindle revolutions.

GMS 300 P

Integrated differential counter module for recording the spindle revolutions.
Integrated guide light during operation.

GMS 300 P

Integrated guide light during operation.
wero side gear and wero telescopic drive linkages and joints for the operation of gate valves in underground shaft structures.

GMS 300 P

wero side gear and wero telescopic drive linkages and joints for the operation of gate valves in underground shaft structures.


GMS 300 P

wero has already won numerous tenders with its slide turning machines - both nationally and internationally. Why? Convince yourself of the user-friendliness and performance with the adjacent video (german).