Millermatic® 142 MIG Welder

The Millermatic® 142 is a compact 120 V MIG welder that delivers 30‑140 A for light‑to‑medium welding tasks, perfect for automotive repair, garage projects, and hobbyist work.

Key Features

• Auto‑Set™ automatically selects optimal parameters for wire size and material thickness.
• Segmented display for precise manual and Auto‑Set mode control.
• 120 V input power – no special wiring required.
• Smooth‑Start™ provides spatter‑free starts.
• Thermal overload and “Tip Saver” short‑circuit protection.
• Auto Spool Gun Detect™ eliminates the need for a manual switch.
• Generator compatible (5 kW + generators).
• Quick Select™ drive roll supports multiple solid‑wire sizes and flux‑cored wire.

Specifications

• Input Voltage: 110/115/120 V, 1‑Phase, 60 Hz
• Amperage Range: 30 A – 140 A
• Wire Feed Speed: 1.5 m/min – 15.2 m/min (60 IPM – 600 IPM)
• Rated Output: 100 A @ 19 V (60 % duty) / 80 A @ 18 V (100 % duty)
• Wire Diameter Supported: 0.024–0.035 in. (solid & flux‑cored)
• Material Thickness: Al 18 ga.‑14 ga.; Mild steel 24 ga.‑3/16 in.
• Weight: 33 lb (net)

Applications

• Automotive welding and car restoration
• Garage/shop projects
• Metal art and hobby fabrication
• Welding education and training
• General welding projects