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10401533 - Tweco Spray Master MS450 MIG Gun, 450A, 15ft, Lincoln Connection, 1/16 Wire

Packaging: pack of 1
$1,945.96/EA $1,224.90/pack of 1 only $1,224.90/EASave 37%

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OVERVIEW

The Legend Returns: Power and Comfort in One Gun

If you have been welding for any length of time, you know the Tweco Spray Master. It is the gun that set the standard for comfort and durability in the industry. The MS450 is the heavy-hitter of the lineup, delivering a massive 450 Amps of power to handle your thickest plate and hottest spray transfer modes. This isn't just a torch; it's a workhorse designed to keep you welding comfortably shift after shift. With a 15-foot lead, you have the freedom to move around large weldments without constantly dragging your feeder, giving you that extra reach exactly when you need it.

This model is specifically built for welders running Lincoln machines. It features a direct Lincoln plug on the back, so you can plug it straight into your feeder—no adapters, no hassle. It comes set up for 1/16" wire, which means it's ready for the big jobs immediately. The handle is the classic Spray Master ergonomic shape that fits naturally in your hand, reducing the grip fatigue that comes with maneuvering heavy cables all day. The trigger action is crisp and reliable, giving you precise control over your arc starts and stops.

One of the best things about the Spray Master MS450 is how cool it runs. Even when you are pushing high amps, the superior copper conductors and efficient air-cooling design keep the handle temperature down, so you don't have to drop the gun to let it cool off. Plus, it uses standard Tweco consumables that you can find almost anywhere. Whether you are in a shipyard, a structural steel shop, or a heavy equipment repair facility, this gun gives you the reliability of Tweco with the connectivity you need for your Lincoln rig.

Additional Information
Amperage:450
Cable Length:15 ft
Connection Type:Lincoln
Wire Diameter:1/16"
Cooling Method:Air Cooled
Series:Spray Master
Duty Cycle:80% @ 450A
Process:MIG (GMAW), Flux-Cored Arc Welding (FCAW)
Conductor Tube Angle:60 Degrees
Packaging Description:pack of 1

INCLUDED

  • 1 x Tweco Spray Master MS450 MIG Gun (450 Amp)
  • 1 x 15 ft (4.6 m) Cable Assembly
  • 1 x Lincoln Style Rear Connector Plug
  • 1 x Contact Tip (1/16" / 1.6mm installed)
  • 1 x Nozzle
  • 1 x Diffuser
  • 1 x Liner (installed)
  • 1 x Trigger Assembly

APPLICATIONS

  • Heavy Equipment Manufacturing
  • Structural Steel Fabrication
  • Shipbuilding and Offshore Construction
  • Railcar Manufacturing
  • General Heavy Fabrication
  • Trailer Manufacturing

FAQ

The Tweco Spray Master MS450 is rated at 450 Amps at 80% duty cycle when using CO2 shielding gas.

This specific model (1040-1533) features a Lincoln-style direct plug rear connection.

It comes factory installed with a liner and contact tip for 1/16" (1.6mm) wire.

Not directly. This model has a Lincoln rear connection. You would need a different model or an adapter to fit a Miller feeder.

It uses standard Tweco 11 Series contact tips, 54 Series gas diffusers, and 24 Series nozzles.

Yes, the conductor tube (neck) is replaceable and can be rotated to suit different welding positions.

The cable assembly is 15 feet (approximately 4.6 meters) long.

The Spray Master MS450 is an air-cooled MIG gun.