A6 Mastertrac A6TF Tandem

A6 Mastertrac A6TF Tandem

For efficient submerged arc welding


  • Self-propelled, four-wheel drive, automatic welding machine.
  • Easy to move with quick set-up for different workpieces.
  • Suitable for heavy production welding with capacity for up to 6 mm (0.24 in.) wire using 1500A direct or alternating current.
  • Designed for use with LAF (DC) or TAF (AC) welding power sources.
  • Three different designs:
  • Single: available with standard or high speed motor
  • Twin-Arc: with a simple add-on for the extra wire, you can convert an A6 Single Mastertrac into a highly productive automatic twin-arc welder for fillet and butt welds without the use of an extra machine or power source.
  • Tandem: the high deposition rate using a multi-electrode system increases productivity
  • substantially. By selecting different combinations of direct and alternating currents, the A6 Tandem Mastertrac can handle any type of welding work resulting in increased profitability.
  • Weld mild steel and aluminum solid or cored wire by modifying an A6 Single Mastertrac with an easy conversion kit for gas metal arc welding (GMAW).
  • Pre-set and control of welding parameters with the A2- A6 process controller PEK — a digital control system with display menus; 255 different weld sets can be stored.


Capacities and Temperatures

Flux Capacity 10 l (2.6 gal)
Wire Feed Speed 0.2-4.0 m/min (8-157.5 in./min)

Measurements and Dimensions

Weight (excluding wire and flux) 158 kg (348 lb)

Power Requirements

Connection Voltage 42 VAC
Max Current 2×1500 A

Welding Speeds

Travel Speed 0.1-2.0 m/min (4-79 in./min)


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