K30000 - Lincoln Electric 4.5m Air-Cooled Push-Pull MIG Gun

Industrial Grade Aluminum Feeding Solution

The Lincoln Electric K30000 4.5m Air Cooled Push-Pull Torch is a specialized welding instrument engineered to solve the inherent challenges of feeding soft welding wires in industrial environments. Unlike standard MIG guns that rely solely on the wire feeder's drive rolls to push wire through the liner—often resulting in buckling, friction, and "birdnesting" when using aluminum—this push-pull system integrates a secondary motor within the torch handle. This motor works in synchronization with the wire feeder to maintain constant tension, pulling the wire at the gun end while the feeder pushes, ensuring a smooth, uninterrupted delivery of filler metal to the weld pool.

Designed with a 4.5-meter (approximately 15-foot) cable assembly, this torch provides significant reach, allowing operators to work on large assemblies such as trailers, boat hulls, and large tanks without constantly repositioning the power source. The air-cooled configuration simplifies the setup by removing the need for a water circulator, making it an ideal choice for mobile applications or shops where portability and simplicity are prioritized over the extreme duty cycles of water-cooled systems. The torch is rated for substantial amperage output suitable for typical aluminum fabrication thicknesses.

Maintenance and serviceability are key components of the K30000 design. The contact tips, nozzles, and liners are designed for easy replacement, minimizing downtime. The internal drive rolls in the handle are precision-machined to grip soft wire without deforming it, preserving the wire's geometry for optimal arc performance. This unit is compatible with select Lincoln Electric power sources and wire feeders equipped with the necessary connection kits for push-pull operation.

Technical Specifications

• Cooling: Air Cooled
• Length: 4.5 Meters
• Wire Compatibility: Aluminum (4043, 5356), Silicon Bronze
• Mechanism: Synchronized Push-Pull