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

Price on Application

Further Reductions Available On Request 01276 505012

  • AC generator – Multi Voltage 13 kVA
  • Welding Output – 400 Amps
  • Diesel, Air Cooled Engine



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The Mosa TS 400 KSX/EL is capable of an AC generator output of 13 kVA and also provides up to 400 amp DC welding output using 2-8mm diameter electrodes. This Diesel Mosa 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 is its’ diesel , Kholer engine which runs to a high specification and is very efficient with a fuel consumption of 3.4 litres per hour. The engine output is 19.1kw (26 hp) and has the capacity to generate an accessible speed of 3000 rpm.

With a weight of 465kg, this MOSA TS Diesel Welder; 400 KSX/EL has super silenced canopies and is EEC noise compliant.

Equipped with all the usual TS series features including thermal shut off, emergency stop button and stepless welding control. Also featuring the Mosa Patented auto idle control where an electromagnetic controlled Solenoid forces the engine speed to a minimum when not under load. When the load is present, welding or auxiliary output, the electromagnet is not supplied any more and the engine speed goes to the maximum.

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 maintenance as 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.


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





  • Current range, Continuous: 20 – 400A
  • Duty cycle: 100%
  • Open circuit voltage: 70 V

Dimensions L x W x H (mm) 1455 x 870 x 880 (without wheels and towbar)
Displacement/Cylinders 1250 cm3/2
Electrode Diameter 2 – 8 mm
Engine Type Kholer Diesel, air-cooled, 4 stroke
Fuel Consumption 3.4 l/hr
Insulating Class H
Protection IP 23
Running Time 8 hours @ 60% load
Single Phase C.T.E. 3.5 kVA/110V/31.8A
Tank capacity 26 litres
Weight (kg) 465 (without wheels and towbar)


Additional extras available:

Welding Cable Set

Wheels and Handles Kit

Two Wheel Site Tow, Road Tow

Service Filter Kit.



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