301272 - Miller Spoolmate 150 Aluminum MIG Spool Gun 20ft 150A

Reliable Aluminum Welding Solution

The Miller Spoolmate 150 Spool Gun (301272) is a highly engineered accessory designed to enhance the capabilities of select Millermatic and Multimatic power sources. Engineered specifically for light industrial applications, this spool gun provides a reliable and economical solution for feeding aluminum wire, which is notoriously difficult to feed through standard MIG gun liners due to its softness. With a 150-amp output at a 60% duty cycle, the Spoolmate 150 is built to handle the demands of light fabrication, automotive repair, and marine maintenance.

Heavy-Duty Construction

Durability is a core component of the Spoolmate 150's design. It features a heavy-duty barrel, a robust drive motor, and a cast aluminum gearbox. These components work in unison to provide smooth, consistent operation even during extended use. The dual V-knurled drive rolls are specifically designed to grip soft aluminum wire without deforming it, ensuring consistent feeding and reducing the risk of bird-nesting. The adjustable drive roll tension lever further enhances versatility, allowing operators to fine-tune the pressure for different wire types, including both 4000 and 5000 series aluminum alloys.

Extended Reach and Visibility

One of the standout features of this model is the 20-foot (6.1-meter) direct-connect cable. This extended length provides significant maneuverability, allowing welders to work on large projects—such as boat hulls or trailers—without constantly moving the power source. The cable is reinforced with heavy-duty strain relief to prevent kinking and damage at connection points. Additionally, the gun features a clear spool cover, a simple yet critical design element that allows the operator to visually monitor the remaining wire on the 4-inch spool, preventing unexpected interruptions during critical welds.

Seamless Compatibility

The Spoolmate 150 is designed for direct connection with no extra tools required. It is compatible with the Millermatic 211, Multimatic 200, Multimatic 215, Multimatic 220, and Syncrowave 210. This plug-and-play capability makes it an essential tool for workshops that require flexibility between steel and aluminum welding tasks.