AZZUNO 145A 4-in-1 MIG Welder or AZZUNO 175A Dual-Voltage Aluminum MIG Welder? Which AZZUNO Model to Buy
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This comparison covers the azzuno 145a 4 in 1 mig welder vs 175a dual voltage aluminum mig welder. Both machines offer dual-voltage input and support multiple welding processes like MIG, Stick, and Lift TIG. They share compact designs and large LED displays for easy operation. The main difference lies in their maximum amperage and specific material capabilities. The 145A model focuses on versatility with a 4-in-1 function, while the 175A model includes dedicated aluminum welding support and a higher current output for thicker materials.
Key differences
| Aspect | AZZUNO 145A 4-in-1 MIG Welder | AZZUNO 175A Dual-Voltage Aluminum MIG Welder |
|---|---|---|
| Welding Processes | 4-in-1: Gas MIG, Flux MIG, Lift TIG, Stick | 5-in-1: Gas MIG, Aluminum MIG, Flux MIG, Lift TIG, Stick |
| Maximum Amperage | 145A | 175A |
| Aluminum Welding Support | Not listed | Includes Teflon conduit for ER5356 wire |
| Weight | 12 pounds | 14.5 pounds |
| Wire Spool Capacity | Not listed | Holds up to 10 lbs spools |
Which one should you choose?
Choose AZZUNO 145A 4-in-1 MIG Welder if
- You need a lighter machine at 12 pounds for frequent transport.
- You want a 4-in-1 setup without specific aluminum welding requirements.
- You prefer a slightly more compact footprint for tight storage spaces.
Choose AZZUNO 175A Dual-Voltage Aluminum MIG Welder if
- You frequently weld aluminum using ER5356 wire.
- You require higher amperage up to 175A for thicker steel.
- You need a machine that accommodates larger 10 lbs wire spools.
Verdict: Choose the 145A model if you prioritize lightweight portability and standard multi-process welding. Select the 175A model if you need higher amperage or plan to weld aluminum regularly. Both offer dual-voltage flexibility and user-friendly LED controls for your projects.
AZZUNO 145A vs 175A Comparison
Welding versatility
Product A offers a 4-in-1 configuration supporting Gas MIG, Gasless Flux Core MIG, Lift TIG, and Stick welding. It handles .030", .035", and .040" flux-cored wire, .030" solid wire, and E6013 electrodes. Product B expands this to a 5-in-1 machine by adding dedicated Aluminum MIG capabilities. It supports Gas MIG, Aluminum MIG, Gasless Flux Core MIG, Lift TIG, and Stick welding. This allows you to work with .035" and .040" ER5356 AlMg wire using argon shielding gas. If you need to weld aluminum structures, Product B provides the specific process support you require without extra modifications.
Amperage output
Product A is rated at 145A, suitable for general fabrication tasks and thinner materials. Product B delivers 175A of output power. This higher amperage rating allows Product B to handle thicker metals and sustain longer welding sessions with less strain on the unit. The increased current capacity is particularly beneficial when running aluminum wire or performing heavy-duty stick welding. For most hobbyist projects, both units provide sufficient power, but Product B offers a higher ceiling for demanding industrial or commercial applications where maximum penetration is necessary.
Wire capacity
Product B features a semi-enclosed design specifically engineered to hold up to 10 lbs of welding wire spools. This larger capacity reduces the frequency of wire changes during extended projects. Product A is described as compact and portable but does not specify a maximum spool weight in the provided data. Typically, compact units like Product A accommodate smaller spools, such as 1 lb or 5 lb rolls. If you plan to weld for long periods without stopping to reload, Product B’s 10 lb spool support offers greater convenience and workflow efficiency.
Weight and portability
Product A weighs 12 pounds and measures 5.7" × 15" × 8.8". Product B weighs 14.5 pounds and measures 5.7" × 15.7" × 9.0". Both units are lightweight and feature compact footprints for easy transport to job sites or storage in small workshops. Product A is slightly lighter and shorter, making it marginally easier to carry for extended periods. However, the difference is minimal. Both machines remain highly portable, allowing you to move them between locations with ease without requiring heavy lifting equipment.
Included accessories
Product B includes three distinct drive rollers: K-groove, V-groove, and U-groove. This variety ensures optimal wire feeding for solid, flux-cored, and aluminum wires, reducing the need to purchase additional parts. Product A includes a V-groove drive roller but does not list the other roller types in the provided data. Both machines come with essential accessories like MIG torches, electrode holders, ground clamps, gas hoses, contact tips, and a 220V-110V adapter. Product B’s inclusion of multiple roller types provides better immediate compatibility with different wire materials.
Which AZZUNO MIG Welder Suits You
General home repair welder
You need a versatile machine for light tasks. This 145A model supports four processes including Stick and Lift TIG. It weighs 12 pounds and measures 5.7 by 15 by 8.8 inches. The compact size makes it easy to store. You get solid wire and flux-cored wire options for steel projects around the house.
Aluminum fabrication enthusiast
You require specific capability for aluminum work. This 175A unit handles ER5356 AlMg wire with argon gas. It includes a Teflon conduit and specialized drive rollers for soft aluminum wire. The 175Amp output provides extra power. You also get three contact tips and a nozzle for better aluminum weld quality.
Portable workshop builder
You prioritize weight and compactness for transport. This model weighs only 12 pounds and fits in a small footprint. It includes a 220V to 110V adapter for flexible power sources. The smart synergic MIG control simplifies setup. You save space while retaining essential MIG and Stick functions for on-site jobs.
The products compared
AZZUNO 145A 4-in-1 MIG Welder
Best for: Versatile hobbyist welding with portability
- Welding Process
- TIG, Stick, MIG, Flux Core
- Input Voltage
- Dual Voltage
- Features
- Synergic Control
- Weight
- 12 pounds
View on Amazon: AZZUNO 145A 4-in-1 MIG Welder Affiliate link
This AZZUNO unit supports Gas MIG, Flux MIG, Stick, and Lift TIG processes. It handles dual-voltage input of 110V or 220V and accepts .030" to .040" wire. The package includes a MIG torch, electrode holder, and ground clamp. Weighing 12 pounds, it offers a compact footprint for portable use. The LED display and synergic controls simplify parameter adjustments for various metals.
Pros
- Supports four welding processes: Gas MIG, Flux MIG, Stick, and Lift TIG
- Dual-voltage input for 110V or 220V power sources
- Accepts .030", .035", and .040" flux-cored and solid wires
- Includes MIG torch, electrode holder, and ground clamp in the kit
- Lightweight 12-pound design for easy transport
Cons
- Lift TIG is included, but not specialized for aluminum TIG welding
- No aluminum-specific synergic mode compared to the 175A model
- 145A output is lower than the 175A dual-voltage aluminum model
Good fit if
- You need a single machine for MIG, Stick, and light TIG work
- You require dual-voltage compatibility for different power outlets
- You prioritize a lightweight and compact unit for portability
Skip if
- You frequently weld thick aluminum and need specialized settings
- You require higher amperage for heavy-duty industrial applications
- You prefer a dedicated aluminum MIG welder with advanced features
Verdict: AZZUNO 145A 4-in-1 MIG Welder fits hobbyists who need versatile process support and portability. It suits users who value dual-voltage flexibility and a complete starter kit over specialized aluminum welding capabilities.
AZZUNO 175A Dual-Voltage Aluminum MIG Welder
Best for: Aluminum MIG welding and dual-voltage flexibility
- Welding Process
- TIG, Stick, MIG, Flux Core
- Input Voltage
- Dual Voltage
- Material
- Aluminum
- Weight
- 20 pounds
View on Amazon: AZZUNO 175A Dual-Voltage Aluminum MIG Welder Affiliate link
The AZZUNO 175A is a dual-voltage 5-in-1 welder built for aluminum MIG welding. It supports 110V and 220V input, allowing flexible power connections. The unit handles ER5356 aluminum wire with argon gas or flux core wire without gas. It includes a large LED display and synergic mode to simplify settings. This model suits users who need to weld aluminum or require versatile processes in a compact, portable package.
Pros
- Dual 110V/220V input for flexible power options
- 5-in-1 capability: Gas MIG, Aluminum MIG, Flux Core, Lift TIG, and Stick
- Large LED display with synergic mode for easier setup
- Includes specialized drive rollers and Teflon conduit for aluminum wire
Cons
- Heavier at 20 pounds compared to the 14.5-pound 145A model
- TIG torch not included in the package
- Semi-enclosed design may collect more dust than fully enclosed units
Good fit if
- You need to weld aluminum using ER5356 wire and argon gas
- You want a single machine for MIG, Stick, and Lift TIG processes
- You prefer a larger LED screen for clearer setting adjustments
Skip if
- You prioritize the lightest possible portability under 15 pounds
- You require a complete Lift TIG setup with a torch included
- You only need basic flux core welding without aluminum capability
Verdict: The AZZUNO 175A Aluminum MIG Welder fits fabricators who need dual-voltage flexibility and aluminum welding capability. It offers more process versatility than the 145A model, though you pay for the extra weight and power.
Specifications side by side
| Spec | AZZUNO 145A 4-in-1 MIG Welder | AZZUNO 175A Dual-Voltage Aluminum MIG Welder |
|---|---|---|
| Welding Process | TIG, Stick, MIG, Flux Core | TIG, Stick, MIG, Flux Core |
| Input Voltage | Dual Voltage | Dual Voltage |
| Material | not stated | Aluminum |
| Features | Synergic Control | not stated |
| Weight | 12 pounds | 20 pounds |
| Color | not stated | Light Grey |
Frequently asked questions
Can the AZZUNO 145A weld aluminum?
No, the AZZUNO 145A cannot weld aluminum. It supports MIG, Stick, and Lift TIG processes. The AZZUNO 175A is designed for aluminum welding. You should choose the 175A if aluminum is a primary material. The 145A is better for steel and general repair tasks.
Which welder is lighter and easier to carry?
The AZZUNO 145A is lighter at 12 pounds. The AZZUNO 175A weighs 20 pounds. You will find the 145A easier to transport to different job sites. Portability is a key advantage if you move your equipment frequently. The heavier 175A offers more power for specialized tasks.
Does the 175A support Stick welding?
The provided data lists MIG as the process for the 175A. The 145A explicitly supports Stick welding. You should verify the full process list for the 175A if Stick capability is required. The 145A is confirmed to handle Stick, MIG, and Lift TIG operations for versatile use.
Can I use both machines on 110V and 220V outlets?
Yes, both machines feature dual-voltage input. This allows you to plug them into standard household outlets or higher voltage sources. You gain flexibility in where you can operate each welder. This feature is consistent across both the 145A and 175A models for broader compatibility.
Which model is better for a complete beginner?
The AZZUNO 145A suits beginners needing versatility. It includes MIG, Stick, and Lift TIG processes. You get a broader skill set with one machine. The 175A focuses on MIG and aluminum. The 145A is ideal if you want to learn multiple techniques without buying separate units.
What color is the AZZUNO 175A welder?
The AZZUNO 175A is Light Grey. The color does not affect performance. It helps identify the unit in a workshop. The 145A color is not specified in the data. You can expect a professional appearance with the grey finish on the 175A model.

