0398146500 - ESAB A2/A6 Tractor Drive Wheel Assembly

Technical Overview: ESAB Drive Wheel Module (0398146500)

The ESAB Drive Wheel Module (SKU: 0398146500) is a critical mechanical component designed for the propulsion systems of ESAB's automatic welding tractors, specifically the A2 and A6 series. In automated welding processes such as Submerged Arc Welding (SAW) and heavy-duty MIG/MAG, the consistency of the weld bead is directly correlated to the stability of the travel speed. This drive wheel module provides the necessary traction against the workpiece or track, ensuring that the welding head moves at a precise, constant velocity.

Constructed to meet OEM specifications, this module is engineered to withstand the rigorous conditions typical of heavy fabrication environments, including exposure to flux dust, metal spatter, and elevated temperatures. Over time, drive wheels on welding tractors can suffer from abrasion, hardening, or deformation, leading to slippage. Slippage results in irregular travel speeds, which causes fluctuations in heat input (Heat Input = Volts × Amps × 60 / Travel Speed). By replacing worn drive wheels with this genuine ESAB module, operators can restore the linear accuracy of their equipment, thereby maintaining compliance with welding procedure specifications (WPS).

This component is supplied as a complete module, facilitating a straightforward replacement process during scheduled maintenance intervals. It is compatible with various configurations of the A2 Multitrac and A6 Mastertrac systems. Regular inspection of the drive system is recommended to prevent unexpected downtime and weld defects associated with travel irregularities.

Key Technical Benefits

• Precision Traction: Engineered material composition maximizes grip on standard tracks and workpieces.
• OEM Compatibility: Guaranteed fit for ESAB A2 and A6 drive units, eliminating modification requirements.
• Process Stability: Directly supports constant travel speed, a key variable in controlling weld penetration and bead profile.