Miller Maxstar 161 STL TIG Welder (907710) – 120/240 V DC TIG & Stick Welder

Best-in-class performance and portability.

The Miller Maxstar 161 STL is a professional-grade DC TIG and Stick welder that combines lightweight portability with serious power. Weighing only 13 lbs, this dual-voltage inverter is ideal for field fabrication, maintenance, and repair applications. Featuring Lift-Arc™ TIG start, Adaptive Hot Start™, and Fan-On-Demand™, the Maxstar 161 STL delivers Miller’s legendary performance wherever the job takes you.

🔧 Key Features

• Dual-Voltage Input (120 V / 240 V): Automatically links to the available power source — no manual setup required.

• Lift-Arc™ TIG Start: Provides smooth, consistent TIG starts without contaminating the tungsten or workpiece.

• Adaptive Hot Start™ & Stick-Stuck Technology: Improves stick performance, prevents electrode sticking, and ensures easy restarts.

• Fan-On-Demand™: Cooling fan operates only when needed to reduce noise, energy use, and dust contamination.

• Lightweight Portability: Weighs only 13 lbs (5.9 kg) with handle and shoulder strap included for easy transport.

• Dependable Arc Performance: Excellent DC TIG and Stick arc stability — even with E6010 electrodes.

• Durable Construction: Rugged impact-resistant polymer case and multi-voltage plug (MVP) for dependable operation in demanding environments.

• True Blue® 3-Year Warranty: Backed by Miller’s industry-leading warranty and nationwide service network.

📦 What’s Included

• Miller Maxstar 161 STL power source (907710)

• 6.5 ft (2 m) power cords for 120 V and 240 V input

• 13 ft (4 m) electrode holder with 25 mm Dinse-style connector

• 10 ft (3 m) work clamp with 25 mm Dinse connector

• Shoulder strap and Quick Reference Guide

⚙️ Specifications

• Processes: DC TIG (GTAW), Stick (SMAW)

• Input Voltage: 120 V / 240 V (single phase 50/60 Hz)

• Amperage Range: 5 – 160 A DC

• Weight: 13 lbs (5.9 kg)

• Duty Cycle: 30% @ 160 A (240 V) / 20% @ 90 A (120 V)

• Material Compatibility: Steel, Stainless Steel

• Warranty: 3-Year Miller True Blue® Warranty

🧠 Applications

• Fabrication and Manufacturing

• Maintenance and Repair

• Shipbuilding and Marine Work

• Light Construction and Structural Steel

• Mobile and Field Work

❓ Frequently Asked Questions

Q: Can it run on standard 120 V household power?
Yes — simply plug in the included 120 V cord and the Maxstar 161 automatically adjusts input power to match.

Q: Does this machine offer high-frequency TIG start?
No — the STL model uses Lift-Arc™ start for DC TIG welding. If you need HF start, see the Maxstar 161 STH (907711).

Q: Can it weld stainless steel?
Absolutely. The Maxstar 161 STL is perfect for stainless steel and mild steel DC TIG applications.

Q: Does it support 6010 electrodes?
Yes — it has Adaptive Hot Start™ and Stick-Stuck features to handle E6010 and other cellulosic electrodes.

🏅 Why Buy from Service Welding Supply

• Authorized Miller® Distributor – Genuine products and factory warranty

• Fast shipping across the U.S. with secure checkout

• Expert support from certified welding specialists

• Free standard shipping on qualifying orders

• Trusted since 1981 for professional welding equipment and supplies