MAGNUM® PRO BARREL HDE™ GUNS Heavy Duty. Ergonomic. KEY FEATURES The Magnum PRO Barrel HDE guns join the HDE family to offer premium performance and improved efficiency. Designed for rugged welding environments, the Magnum PRO Barrel HDE guns with Magnum PRO expendables are built to last. • 100% Duty Cycle with Mixed Gas – The Magnum PRO Barrel HDE guns have the highest duty cycle rating in their class, making them ideal for rugged environments and high heat applications. Premium Expendable Performance – Lincoln Electric’s patented Magnum PRO expendables are designed with both performance and productivity in mind. The premium performance helps extend the service life of the expendables, reducing downtime and total costs. Tool-less Rotatable Gun Tube – The bolt of the gun tube can be loosened without the need for tools and rotated 360°, so it is easy to position into a comfortable spot for welding. Versatile Gun Configuration – By turning the gun tube 180 degrees, the straight barrel handle can be used as a trigger on top welding gun Publication E12.390 | Issue Date 07/23 © Lincoln Global Inc. All Rights Reserved All trademarks and registered trademarks are the property of their respective owners. www.lincolnelectric.com Process » MIG, Pulsed MIG, Flux-Cored Output » Product Number » See Magnum PRO HDE Guns table for details What’s Included » » Gooseneck » Insulator » Diffuser » Contact tip » No

WHAT’S INCLUDED: MAGNUM PRO BARREL HDE 250A (K4856-X): • 1. Select Your Gun – Three important elements to consider when choosing a gun are amperage, duty cycle, and gas blend. Gun selection should be based off of the amperage and duty cycle of the application, not the amperage rating of the machine the gun is being connected to. The Magnum PRO Barrel HDE guns are rated at 100% duty cycle with mixed gas, a unique performance advantage over competitive guns. It is important to select the right product for each application. Use the following steps to select the correct components for your need....

The choice between the Curve style or Barrel style handle comes down to operator preference. Since both styles come with the same premium HDE features, you can experience increased operator comfort, productivity, and quality with whichever Magnum PRO HDE welding gun you choose. IMPROVED PRODUCTIVITY AND OPERATOR COMFORT The new Magnum PRO Barrel HDE welding guns are smaller and lighter than the Magnum PRO Barrel guns making them easier to control. 20% SMALLER HANDLE 100% MIXED GAS DUTY CYCLE MAGNUM PRO BARRELHDE v V 100% CO2 DUTY CYCLE MAGNUM PRO BARREL

* 250A guns are used with KP42 series liners, the 350A and 450A guns are used with KP44 series liners, and the 550A guns are used with KP45 series liners. **The 450A gun can be adapted to run up to 1/8 in. wire by using a KP45 series liner, a K613 series backend, and a 550A or 550A short gooseneck. The original 450A gooseneck cannot be used on wire larger than 5/64 in. (1) Comes standard on the 250A gun. (2) Comes standard on the 350A gun. (3) Comes standard on the 450A gun. (Note) The 450A gun can be adapted to run up to 1/8 in. wire by using a KP45 series liner, a K613 series backend, and a...

ADDITIONAL GUN TUBE OPTIONS Need something a little more customizable? The Magnum PRO HDE flexible gun tube adapter and gun tube extensions offer many more gun tube configurations to fit any application. 3 in. Gun Tube Extension 9 in. Gun Tube Extension Order KP5147-1 Order KP5148-1 The Magnum PRO HDE Gun Tube Extensions can be used to add length to the front of the gun for those hard to reach weld joints. These extensions can be used in series to create custom lengths. Flexible Gun Tube Order KP3200-2 HDE Flexible Gun Tube Adapter Order KP5146-1 Use the Magnum PRO HDE Flexible Gun Tube Adapter...

Nozzle, Thread-On, 3/8 in. ID, Recessed, 350A KP2742-1-38R Nozzle, Thread-On, 1/2 in. ID, Recessed, 350A KP2742-1-50R CONTACT TIPS, 350A Thread Type

Nozzle, Thread-On, 5/8 in. ID, Recessed, 550A KP2743-1-62R Standard Contact Tip, 550A KP2745-045 Nozzle, Thread-On, 3/4 in. ID, Recessed, 550A KP2743-1-75R Tapered Contact Tip, 550A KP2745-04 5T Heavy Duty Nozzle Body, 550A KP3582-1 Heavy Duty Nozzle Front-End, 5/8 in. ID, Recessed, 550A KP3583-1-62R CONTACT TIPS, 550A Wire Diameter in (mm) GAS DIFFUSERS, 550A INSULATORS, 550A * 550A Extended Reach Diffusers are compatible with KP3359-1-50X Nozzles and KP2745-XX 550A Contact Tips GAS NOZZLES, 550A For high amperage applications, two-piece heavy duty nozzles may be used instead of standard 550A...

C U S TO M E R ASS I S TA N C E P O L I C Y The business of Lincoln Electric is manufacturing and selling high quality welding equipment, automated welding systems, consumables, and cutting equipment. Our challenge is to meet the needs of our customers, who are experts in their fields, and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for information or technical information about their use of our products. Our employees respond to inquiries to the best of their ability based on information and specifications provided to them by the customers and the knowledge...