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Miggytrac B501

Miggytrac B501

Miggytrac B501 is a compact, battery-driven tractor that easily automates your GMAW process.

Ideal for use with ESAB’s semi-automatic power sources and feed units, Miggytrac B501 features the latest in stepper motor technology for high efficiency. A standard ESAB welding torch can be quickly attached to the unit.

Miggytrac’s true 4-wheel drive combined with high-friction wheels guarantees stable movement of the tractor. An optional “easy fit” magnet kit allows for the handling of bent or angled workpieces. The carriage follows the joint using guide wheels, which can be adjusted to allow the unit to drive itself against the workpiece.

Where To Buy


  • Battery 18V (not included in delivery)
  • Operating time 8 h
  • Stepper motor technology
  • Horizontal tensile force without magnet 26.5 lbs. (12 kg)
  • Horizontal tensile force with magnet 55 lbs. (25 kg)
  • Maximum angle 45°
  • Vertical tensile force at 45° with magnet 24 lbs. (11 kg)


  • Bridge Construction
  • Industrial and General Fabrication
  • Mobile Equipment
  • Ship and Offshore Yards
  • Ship/Barge Building
  • Steel Industry
  • Structural Steel Fabrication
  • Transportation



Height 9.8 in. (250 mm)
Length 12.2 in. (310 mm)
Width 290 in. (11.4 mm)

Measurements and Dimensions

Linear Slides Setting Length 1.3 in. (32 mm)
Max Inclination 45 °
Slide Height Adjustment 1.6 in. (40 mm)
Tensile Force (horizontal without magnet) 12 kg (26.5 lb)

Power Requirements

Battery Voltage, VDC 18 VDC


Weight 12 kg (26.5 lb)

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