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welder model - GW 20/400 SSY
  • Full UK Rental specification

GW 20/400 SSY

400A Diesel Welder Gen

Our unique combination of large DC output and great auxiliary power is a perfect solution for any rental or on-site application.

  • Exclusive to MHM Only
  • Water cooled Super Silent
Optional extras
  • Trolley kit for generator availableTrolley
  • Trolley kit for generator availableRoad-tow
  • Chalwyn Valve for generator availableChalwyn
  • Spark Arrestor for generator availableSpark
  • Remote Control for generator availableRemote
  • Features & Benefits
  • Specifications
  • Dimensions
  • MHM’s unique 20kVA multivoltage Aux power (400/230/110v)
  • Plenty of power to meet the demands of small to medium generator hire
  • DC Welding range 30 - 400A
  • Will burn up to a 8mm rod
  • Yanmar diesel engine
  • World class performance 1500rpm and water cooled
  • Chopper Technology
  • Unrivalled weld quality & performance
  • Switchless AC and DC power
  • Can be used as a welder or generator or both simultaneously
TypeLinz + Permanent Magnet
Welding - amps D.C.30 - 400
Open Circuit Voltage - V70
Single Phase Power (110v)6kVA/ 4.8kW
Single Phase Power (230v)10kVA/ 8kW
Three Phase Power (400v)20kVA/ 16kW
Max Welding Rods - mm8
Noise LevelLWA=88 dBa@7mm=63
Insulation ClassH
Mechanical Protection - IP23
Remote Control SocketYes
Type4TNV88 (Stage 3A)
Number of Cylinders3
Power - HP24.1
Engine Speed - rpm1500
Fuel Consumption - Litres/hour4
Fuel Tank Capacity - litres110
Average Runtime @ 75% Load (Hours) 12
Starting System Deepsea 7310
Socket Configuration
  3ph (400V) 1ph (230V) 1ph (110V)
  32A 16A 32A 16A 32A 16A
GW 20/400 SSY 1 - 1 2 1 2
Dimensions (Machine only)
Length1900 mm
Height1500 mm
Width900 mm
Weight710 Kg
Dimensions (With road-tow kit)
Height1540 mm
Width1630 mm
Weight1010 Kg