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Miller Dynasty 300 AC/DC TIGRunner Package 208-600V

$20,469.71/ea $18,516.00/1 per ea only $18,516.00/eaSave 10%

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OVERVIEW

Master Precision with the Miller Dynasty 300 TIGRunner

Take your fabrication capabilities to the next level with the Miller Dynasty 300 TIGRunner, the complete water-cooled package designed for professional welders who demand the best. This all-in-one solution pairs the powerful Dynasty 300 AC/DC TIG welder with the Coolmate 1.3 and a rugged running cart, giving you a mobile welding station ready to tackle the most challenging aerospace, motorsports, and heavy fabrication jobs. Replacing the popular Dynasty 280, the 300 model brings more power, a better interface, and enhanced arc control to your shop floor.

Unmatched Versatility and Power
Whether you are welding delicate anodized aluminum or thick stainless steel pipe, the Dynasty 300 delivers. With an amperage range extending down to 1 amp (DC) and up to 300 amps, you have total control over the heat input. The machine's Auto-Line technology is a game-changer for portability, allowing you to plug into any voltage from 208V to 600V without opening the case or moving jumpers. This means you can move from the workshop to the field with confidence, knowing your machine will perform consistently regardless of the power source.

Smart Features for Smarter Welding
Miller has packed the Dynasty 300 with features that make expert results easier to achieve. The Pro-Set button is your shortcut to perfect settings; simply select the parameter you want to adjust, and the machine guides you to the industry-standard setting. For those long days under the hood, the QuietPulse technology keeps the arc stable while drastically lowering the noise level, reducing fatigue. The included Coolmate 1.3 water cooler ensures your torch stays cool during high-amperage runs, protecting your consumables and ensuring comfort.

Built for the Future
The user-friendly LCD display makes navigating complex menus simple, using clear images and text instead of cryptic codes. Plus, with the front-facing USB port, you can easily save your favorite weld settings to a memory stick and transfer them to other machines, or update the system software to keep your welder on the cutting edge. Invest in the Dynasty 300 TIGRunner today and experience the difference that True Blue precision makes in your work.

Additional Information
Brand:Miller
Amperage:300
Voltage:200-600 V
Weld Process:TIG (GTAW)
Machine Cart:Tig Runner
Packaging Description:1 Per Ea
Process Type:AC/DC TIG (GTAW), Pulsed TIG (GTAW-P), Stick (SMAW), Air Carbon Arc (CAC-A)
Input Voltage:208-600 V
Input Phase:1-Phase, 3-Phase
Amperage Range:1 - 300 A
Cooling Type:Water Cooled
Portability:Cart Mounted
Material Thickness:Aluminum 0.012 in (0.3 mm) - 3/8 in (9.5 mm), Steel 0.004 in (0.1 mm) - 3/8 in (9.5 mm)
Warranty:3 Years
Included Accessories:Coolmate 1.3, Small Runner Cart, Adjustable Shoulder Strap, 8 ft Primary Cord
Max Open Circuit Voltage:60 VDC

INCLUDED

  • Dynasty 300 Power Source
  • Coolmate 1.3 Water Cooler
  • Small Runner Cart
  • Adjustable Shoulder Strap
  • 8 ft (2.4 m) Primary Cord
  • Quick Reference Guide

APPLICATIONS

  • Aerospace and Aviation Repair
  • Heavy Industrial Fabrication
  • Precision Aluminum Fabrication
  • Aluminum Ship Repair
  • Pipe and Tube Fabrication
  • Anodized Aluminum Fabrication
  • Motorsports and Automotive

FAQ

The TIGRunner package (907818002) includes the Dynasty 300 power source, the Coolmate 1.3 water cooler, the Small Runner Cart, an adjustable shoulder strap, and an 8 ft primary power cord. Note that the TIG torch and coolant are typically sold separately or in accessory kits.

The Dynasty 300 features Auto-Line technology, which allows it to connect to any single-phase or three-phase input voltage between 208V and 600V without manual linking.

Yes, the Miller Dynasty 300 is the direct successor to the Dynasty 280 series, offering slightly higher amperage output and an updated user interface with a color LCD screen.

Cooler-On-Demand operates the auxiliary cooling system (Coolmate 1.3) only when needed. This reduces background noise, lowers energy consumption, and prevents airborne contaminants from being pulled through the cooler unnecessarily.

Yes, the Dynasty 300 is a multiprocess machine capable of AC/DC Stick (SMAW) welding. It features tailored arc control (DIG) and Hot Start technology for smooth electrode running.

The Dynasty 300 is rated to weld aluminum and steel up to 3/8 inch (9.5 mm) thick.

Pro-Set eliminates guesswork by providing pre-set professional parameters for Balance, Frequency, Pulse, and DIG. Users simply adjust the setting until 'Pro-Set' appears on the display to use the optimized default.

The machine has an IP23 rating, meaning it is designed for outdoor use and can withstand some exposure, but it should not be used during precipitation unless sheltered.

CATALOGUE & SPEC SHEETS

Spec Sheet