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Mosa TS 400 PS/EL – Diesel Engine Driven Welder Generator

Price on Application

Further Reductions Available On Request 01276 505012

  • AC generator Output – Multi Voltage 12 kVA
  • Welding Output – 400 Amps
  • Diesel, Water Cooled Engine



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The MOSA TS 400 PS/EL is a water cooled engine driven welder generator.  With super silenced canopy providing up to 400 amp DC welding output.

Mosa Model TS 400 has a dual range function and an open circuit voltage of 70V. Incorporated in this model is a 12V battery, a battery charge indicator and this machine benefits from an electric start.

An advantage of this welder generator is its’ diesel.  A PERKINS engine which runs to a high specification and is very efficient with a fuel consumption of 4 litres per hour. The engine output is 20.3 (27.6 hp) and has the capacity to generate an accessible speed of 1500 rpm.

Benefiting from Arc Force functionality for cellulose electrodes to increase “dig force”.

With a weight of 780kg, this TS 400 PS/EL welder is also EEC noise compliant.

Equipped with all the usual TS series features including thermal shut off, auto idle function, emergency stop button and stepless control.


Suitable for a wide range of uses including mobile welding, site fabrication, maintenance and pipeline construction.


Central to the success of Mosa Welder Generators is the Mosa asynchronous welding alternator.  This brushless alternator designed and manufactured in house by Mosa offers excellent welding characteristics and simultaneous AC auxiliary power and requires no maintenanceas there are no brushes to wear and the solid rotor has no windings.

TBWS are able to access an impressive back catalogue of spares, parts and accessories for the Mosa range.  This, coupled with the best build quality of Mosa machines, makes for machines that are built to last through servicing and repairs if required.




Additional extras available:

Welding Cable Set

Wheels and Handles Kit

Two Wheel Site Tow, Road Tow

Remote Control

Service Filter Kit.



  • Current range, Continuous: 20 – 400A
  • Duty cycle: interment 400A @ 60%   350A @ 100%
  • Open circuit voltage: 70 V
  • Low Range (20-200 amps) For Special Electrodes
  • AC Generator Output – Multi Voltage 12kVA
  • Electric Start
  • Water Cooled Diesel Engine
  • Long Run Tank – 15 Hours
  • Fuel Gauge
  • Auto Idle Control
  • Super Silenced Canopy-Lockable
  • EEC Noise Compliant

Dimensions L x W x H (mm): 1720 x 980 x 1110 (without wheels and towbar)
Displacement/Cylinders: 2216 cm3/3
Engine Type: Diesel, Water-cooled, 4 stroke
Fuel Consumption 4 l/hr
Insulating Class H
Protection IP 23
Running Time 15 hours @ 60% load

Single Phase: 12 kVA/230V 52.2A
Tank capacity: 60 litres
Weight (kg): 780 (without wheels and towbar)


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