The Miller Dynasty® 400 Complete Package (951000002) is engineered for welders who need exceptional AC/DC TIG performance, rock-solid arc stability, and dependable power across a wide range of applications. Designed around Miller’s advanced inverter technology, the Dynasty 400 delivers precise control, smooth arc starts, and consistent weld quality on stainless steel, aluminum, and exotic materials — all while operating efficiently on 208–575V input power.

This package includes Miller’s wireless foot control, giving operators seamless amperage adjustment with superior comfort and freedom of movement. The intuitive front panel provides complete control of AC balance, frequency, and waveform customization — allowing you to fine-tune the arc for every joint, thickness, and material. Whether you’re tackling heavy fabrication, aerospace work, precision aluminum, or industrial production, the Dynasty 400 provides the performance and reliability needed for high-demand TIG applications.

Built for professional environments, the machine features advanced cooling, superior low-amp arc quality, and dependable Stick capability when needed. Its inverter design reduces energy consumption and improves efficiency compared to older transformer units. With heavy-duty construction and Miller’s renowned arc performance, the Dynasty® 400 is a long-lasting, high-output solution for serious TIG welders.

WHAT’S INCLUDED

• Dynasty® 400 Power Source

• Coolmate™ 3.5 cooling system

• Runner Cart for full machine and cooler mobility

• Weldcraft™ W-375 Torch Kit & Accessories

• Coolant – Four One-Gallon Bottles (043810)

• Wireless Foot Control System (301580)

KEY FEATURES

Exceptional AC/DC TIG Performance

Delivers precise control, smooth arc starts, and stable performance across aluminum, stainless steel, magnesium, and specialty alloys.

208–575V Multi-Voltage Flexibility

Automatically adapts to a wide range of input power configurations for seamless use in shop or industrial environments.

Wireless Foot Control Included

Comes complete with Miller’s wireless foot pedal for responsive amperage control and reduced cable clutter.

Advanced AC TIG Adjustability

Fine-tune AC frequency, balance, and waveform to optimize arc stability, penetration, and cleaning action.

Energy-Efficient Inverter Design

Miller’s inverter technology reduces power consumption while maintaining high output and long-term reliability.

Dependable Stick Welding Capability

Built-in Stick functionality provides versatility for repair work or applications requiring a penetrating, stable arc.

Durable, Industrial-Grade Construction

Engineered with heavy-duty internal components and cooling systems to withstand demanding daily use.

SPECIFICATIONS

FAQ

Is the Dynasty 400 good for aluminum TIG?

Yes — with advanced AC control, stable low-amp performance, and customizable waveforms, it excels on aluminum from thin gauge to heavier sections.

Does it include the wireless foot control?

Yes. The complete package (951000002) includes Miller’s wireless foot pedal.

What power does this welder require?

The machine operates on 208–575V single- or three-phase power, giving it exceptional flexibility.

Can the Dynasty 400 run Stick?

Yes — it supports Stick (SMAW) for repair or applications requiring a strong, penetrating arc.

WHY BUY FROM SERVICE WELDING SUPPLY

✔ Authorized Miller Distributor

You receive genuine Miller equipment backed by full manufacturer warranty.

✔ Fast, Dependable Shipping

Orders are packaged securely and shipped quickly with reliable tracking.

✔ Competitive Pricing

Transparent pricing with access to current Miller promotions.

✔ Expert Product Support

We help welders choose the right machine and offer ongoing support long after purchase.

✔ Trusted Welding Supplier

Serving professional welders, shops, and industrial customers with exceptional service and product knowledge.