Welding type:

TIG

TIG

Stick

Stick

Power supply:

220V Single Phase

220V Single Phase

220V 3 Phase

220V 3 Phase

460V

460V

Material type:

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel

Aluminum

Aluminum

  • Stick Welding
  • TIG Welding
  • 220V
  • 460V
  • 3-Year Power Warranty

Miller Dynasty 400 TIG Runner #907717001

The Dynasty 400 TIG Runner combines exceptional TIG welding performance with leading-edge technologies from Miller. A handy Runner Cart makes moving it around easier and safer.

Perfect for large-scale production and high-end fabrication, the Dynasty 400 includes Miller innovations like auto-line power management for connection to any input from 208v to 575v, a Coolmate 3.5  cooling system to help prevent torch failure from overheating, and their Lift-Arc™ AC/DC converter for easy changes of arc characteristics. 

Miller backs the Dynasty 400 TIG RUNNER with their True-blue 3-year warranty on parts and labor. 

The TIG Runner Package includes:

  • 8ft power cord
  • Quick reference guide
  • Runner™ Cart #300244
  • Coolmate™ 3.5 #300245
View all Miller welders, TIG welding machines, and welding machine accessories with the greatest values online.

Miller Dynasty 400 TIG Runner #907717001 Specifications:

Input Voltage Options 208 V
220/230/240 V
380/400 V
460/480 V
575 V
Input Phase 1- and 3-Phase
Input Hz 50 / 60 Hz
Current Type AC/DC
Max Open Circuit Voltage 75 VDC
Weld Output CC
Processes TIG (GTAW)
Pulsed TIG (GTAW-P)
Stick (SMAW)
Air carbon arc (CAC-A) 1/4 in. maximum
Industrial Applications Precision fabrication
Heavy fabrication
Pipe and tube fabrication
Aerospace
Aluminum ship repair
Anodized aluminum fabrication
Weldable Metals Aluminum
Specialty Metals
Steel
Stainless Steel
Net Width 23 1/8"
Net Height 43 1/8"
Net Length 43 3/4"
Net Weight 134 lb. (61 kg)
Performance Specifications
 3-Phase1-Phase
Rated Output 250 A at 30 V,100% duty cycle
300 A at 32 V, 60% duty cycle
200 A at 27.2 V, 100% duty cycle
250 A at 29 V, 60% duty cycle
TIG Duty Cycle 400 A, 20%
300 A, 60%
250 A, 100%
300 A, 60%
250 A, 100%
300 A, 20%
Stick Duty Cycle 400 A, 20%
300 A, 60%
250 A, 100%
300 A, 60%
250 A, 100%
300 A, 20%
AC TIG Material Thickness Range .015–5/8 in.
(0.38–15.9 mm)
.015–5/8 in.
(0.38–15.9 mm)
DC TIG Material Thickness Range .012–5/8 in.
(0.3–15.9 mm)
.012–5/8 in.
(0.3–15.9 mm)
Stick Electrode Maximum Diameter 6010: 1/4 in. (6.4 mm)
7018: 1/4 in. (6.4 mm)
7024: 1/4 in. (6.4 mm)
6010: 1/4 in. (6.4 mm)
7018: 1/4 in. (6.4 mm)
7024: 1/4 in. (6.4 mm)
Carbon Arc Grouping (CAC-A) Maximum 1/4 in. (6.4 mm) 1/4 in. (6.4 mm)
Generator Requirement 20kW 20kW
Ancilliaries
Warranty Miller's True Blue Warranty
Portability Lift Eye (Standard)
Running Gear / Car (Standard)

SHIPPING DIMENSIONS

Height: 47.50 Inches
Width: 17.50 Inches
Length: 43.50 Inches
Weight: 284 Lb(s) 8 Oz

Manufacturer Reviews

Joseph
I searched for a few years and watched every review before buying this welder. I opted for the tig runner package with the wireless foot pedal. I can say that it is one of the best investments that I have ever made. There is no job to large or to small for this machine. The Miller Dynasty series welders are simply the best welders on the market.

Product Questions and Answers


Q - What input power does this need? A - 3-phase or 1-phase
Q - Is this compatible with Miller's wireless remotes? A - Yes, fully compatible.

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