Miller Maxstar 161 S Portable DC Stick Welder (Base Unit)
$566.00
The Miller Maxstar 161 S (base unit) is a compact, ultra-portable Stick welding machine built for basic field welding and maintenance work. It prioritizes simplicity, durability, and portability, but lacks TIG capability and advanced features found in STL and STH models.
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Description
Miller Maxstar 161 S (Base Unit) – DC Stick Welder
The Miller Maxstar 161 S (base unit) is the simplest configuration in the Maxstar 161 family: a compact, industrial-grade DC Stick (SMAW) inverter welder designed for portability, reliability, and basic field welding tasks.
Unlike the STL or STH versions, the “S” model is Stick-focused only, meaning it does not include TIG torch packages or advanced TIG features by default.
Key Features
- Ultra-light inverter design (~13 lb)
- Easy to carry for field repair work
- Dual-voltage Auto-Line input
- Runs on standard 120V or 240V power without manual switching
- Strong Stick performance
- Stable arc for electrodes like E6010, E6013, E7018
- Industrial reliability in compact form
- Built for maintenance and field repair environments
- Base configuration simplicity
- No TIG torch, no advanced control modules included
Best Applications
- Field maintenance and repair (MRO)
- Construction site welding
- Farm and equipment repair
- General steel fabrication (light duty)
- Remote location welding jobs
- Emergency repair work
Advantages
- Extremely portable and lightweight
- Simple, rugged, and reliable design
- Works on both 120V and 240V power
- Excellent arc stability for Stick welding
- Lower cost entry point into Maxstar series
Limitations
- Stick only (no TIG capability)
- No aluminum welding capability
- No advanced TIG features (HF start, pulse, etc.)
- Not suitable for production welding environments
- Limited versatility compared to STL/STH models
| Brand | Miller |
|---|---|
| Full Model Name/SKU | Maxstar 161 S (907709) |
| Country of Origin | USA |
| Welding Process | Stick (SMAW) |
| Inverter/Transformer | Technology DC IGBT Inverter |
| Input Voltage | 120 / 240 V (Auto-Line Technology) |
| Output Current Range | 20 – 160 A |
| Duty Cycle | 30% @ 160 A (240V), 100% @ 110 A (240V) |
| Open Circuit Voltage (OCV) | 48 VDC |
| Rated Input Capacity | 6.3 kVA |
| Power Factor & Efficiency | High Efficiency Industrial Circuitry |
| Wire Feed Speed Range | N/A |
| Protection Class | IP23 |
| Insulation Class | Class F |
| Cooling System | Fan-On-Demand |
| Dimensions | 262 x 139 x 343 mm |
| Net Weight | 5.9 kg |
| Smart Features | Auto-Line Power Management, Adaptive Hot Start, Thermal Overload Protection |
| Standard Compliance | CSA, IEC 60974-1 |
| Primary Application | Mechanical Contractors, HVAC, On-Site Restoration, Vocational Schools |


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