Features

Long-Life Consumables
Tapered mating surfaces between the AccuLock contact tip and diffuser locks the tip in place for maximized electrical conductivity and lower heat.
Error-Proof Liner Trimming
No measuring required! Simplifies welder training and prevents downtime and weld quality issues caused by improperly trimmed liners.
Durable, Comfortable Handle
Durable handle features rubber overmolding for improved grip and comfort. Ball-and-socket rear swivel provides a freer range of motion to reduce welder fatigue.
Superior Wire-Feeding
Unique profile and reduced touch points improve wire feeding while enhanced coil profile optimizes wire support.

Specifications

Processes

MIG (GMAW)

General Specifications

Title MDX™-100 MIG Welding Gun, 15ft, .030-.035 wire, AccuLock™ MDX Consumables
Industries Interests Auto Repair
Construction and Fabrication
Farm and Ranch
Manufacturing
Racing
Railcar
Amperage Rated Output 100
Cable Length 15 ft
Wire Size .030 - .035
Applications Auto/Cycle
Automotive Welding
Boat/Yacht
Car Restoration
Décor/Furniture
Fabrication
Field Welding
Metal Art
Mobile Fabrication & MRO
Work Truck
Warranty Miller's True Blue Warranty

Consumables

AccuLock™ MDX™ Slip-On Gasless Nozzle

For use with MDX-100 MIG Guns. Pair with AccuLock MDX Contact Tips, D-M100 Diffuser, Liners, Power Pin Caps. (1 per pkg)
AccuLock™ MDX™ Consumables Kit, .035" (0.9mm) wire

For use with MDX-100 MIG guns
AccuLock™ MDX™ Thread-On Nozzle, 1/2" Orifice, Flush Tip, Copper (2 per pkg)

For use with MDX-100 MIG Guns. Pair with AccuLock MDX Contact Tips, D-M100 Diffuser, Liners, Power Pin Caps.
AccuLock™ MDX™ Contact Tip for 0.030" Wire

For use with MDX MIG Guns. Pair with AccuLock MDX Diffuser, Nozzles, Liners and Power Pin Caps. (10 per pkg)

Compatibility

Millermatic 142 Model NEW
Millermatic® 142 MIG Welder

MIG and flux cored 120 V welder that welds from 24 gauge – 3/16 in. mild steel.
Millermatic 211 Package 907614 REBATE
Millermatic® 211 MIG Welder

Welds material from 24-gauge to 3/8 in thick in a single pass. Uses 120V or 240V power.
Millermatic 211 on Cart 01 951603 REBATE
Millermatic® 211 MIG Welder with Running Gear/Cylinder Rack

Welds material from 24-gauge to 3/8 in thick in a single pass. Uses 120V or 240V power.
Multimatic 215 Model
Multimatic® 215 Multiprocess Welder

DC TIG, MIG, flux-cored, and stick welder featuring Auto-Set™ Elite. 120V or 240V input power.

Resources

Literature

MDX MIG Gun Consumables & Machines Compatibility Chart

Videos

How to Change Nozzle, Tip, Diffuser, and Liner with Set Screw for MDX™ MIG Guns
Follow some simple step-by-step instructions to change AccuLock™ consumables on MDX™ MIG guns and gain an optimal wire...
How to Reinstall a Trimmed Liner for MDX™ MIG Guns with Set Screw Power Pin Cap
When the power pin cap is removed from a MDX™ MIG gun, the liner can retract and appear too short to lock into place....
What’s Next: The MDX™-100 MIG Gun Impresses Ron Covell
See why master metalworker Ron Covell is impressed by the results he gets with the Miller® MDX-100 MIG gun.