Best 4 In 1 Welder – 10 Options Reviewed

When I first dipped my toes into the world of welding, juggling multiple machines for different processes felt like a chore. That’s why I’ve been so impressed with the evolution of the Best 4 In 1 Welder. These versatile multiprocess welding machines combine MIG, Flux Core, Stick, and Lift TIG capabilities into one compact unit, making them a fantastic investment for anyone from a DIY hobbyist to a seasoned professional. In this comprehensive guide, we’ve put 10 top-rated models through their paces to help you find the perfect all-in-one welding solution.

IMAGE	PRODUCT NAME	AMAZON LINK
	YESWELDER Gas Gasless 160A Multiprocess MIG Welder, Flux…	View on Amazon
	ARCCAPTAIN 160A MIG Welder 110V 220V 4 in 1 Welding…	View on Amazon
	bestarc 145Amp MIG Welder, 110V 220V Flux Core MIG/Lift…	View on Amazon
	YESWELDER 165A MIG Welder, Flux Core MIG/Gas MIG/Lift…	View on Amazon
	ARCCAPTAIN 165A MIG Welder 110V/220V, 2025 Newest [Large…	View on Amazon
	TOOLIOM 200A MIG Welder 4 in 1 MIG/Flux MIG/Lift…	View on Amazon
	MIG Welder, 200Amp 4 in 1 Gas MIG/Gasless Flux Core…	View on Amazon
	FEIFANKE 145A MIG Welder 110V, 4-in-1 Multi-Process Welding…	View on Amazon
	AZZUNO MIG Welder 145A, 110V/220V Dual Voltage 4 in 1…	View on Amazon
	TOOLIOM 4 in 1 MIG Welder 180A Gas MIG/Flux…	View on Amazon

YESWELDER Gas Gasless 160A Multiprocess MIG Welder, Flux…

This YESWELDER 160A unit is a true workhorse, offering exceptional versatility with its 4-in-1 functionality. I found it surprisingly adept at handling various tasks, from automotive repairs to light fabrication. Its dual voltage capability means you can plug it in almost anywhere, and the synergy control simplifies settings for beginners, while manual adjustments cater to more experienced users. The lightweight design makes it incredibly easy to move around your shop or take to job sites.

Key features that stand out:
– MULTIFUNCTIONAL: Flux Core MIG/Gas MIG/ Stick/Lift TIG (TIG torch sold separately).
– WELDING CAPACITY: 160A output, 110V/220V dual voltage, handles 2LB and 10LB spools, and various rods.
– SMART CONTROL: Synergic control automatically adjusts voltage and wire feed speed.
– MANUAL CONTROL: Allows for precise, user-defined adjustments.
– LED DISPLAY: Advanced digital display for clear visibility.
– PORTABLE&POWERFUL: Weighs only 19.4lb, compact with a carrying handle.
– SAFETY PRIORITIZED: Over-current, over-load, and over-heating protections.

Pros:
– Highly versatile with 4 welding processes.
– Dual voltage for maximum flexibility.
– Synergic control is a huge plus for beginners.
– Lightweight and easy to transport.
– Robust safety features for peace of mind.

Cons:
– Lift TIG torch needs to be purchased separately, adding to the initial cost.

Best for: Beginners and intermediate welders needing a portable, versatile machine for general fabrication and repair.

Expert Opinion: This 160A YESWELDER model hits a sweet spot for those seeking a reliable, user-friendly multiprocess machine. The combination of synergic control and dual voltage capability makes it a practical choice for varied environments and skill levels.

ARCCAPTAIN 160A MIG Welder 110V 220V 4 in 1 Welding…

The ARCCAPTAIN 160A is another strong contender in the 4-in-1 welder category, and what immediately struck me was its incredible portability. At just 11.8 pounds, it’s one of the lightest units on this list, making it ideal for mobile repairs or anyone with limited workspace. Don’t let its size fool you; it still packs a punch with synergic control and robust safety features, making it a great option for both novices and seasoned DIYers.

Key features that stand out:
– 4-IN-1 WELDER: Gas/ Flux Core Gasless MIG/ Lift TIG/ MMA (TIG torch sold separately).
– SYNERGIC CONTROL: Automatically matches current and wire feed speed based on wire diameter.
– PORTABLE AND COMPACT: Weighs only 11.8 pounds, with handle and shoulder strap.
– SAFETY PROTECTION: Built-in over-current, over-load, overheating, and over-voltage protection.
– HIGH QUALITY: Rigorously tested for harsh environments.

Pros:
– Extremely lightweight and portable for on-the-go welding.
– Synergic control simplifies setup for beginners.
– Dual voltage (110V/220V) for broad applicability.
– Excellent build quality and safety features.
– Versatile for various home DIY and repair tasks.

Cons:
– Lift TIG torch is an additional purchase.

Best for: Highly mobile welders, home DIY enthusiasts, and beginners who prioritize portability and ease of use.

Expert Opinion: The ARCCAPTAIN 160A excels in its portability, making it a standout choice for those needing to carry their welder frequently. Its synergic control is a significant advantage for users looking for a less intimidating learning curve.

bestarc 145Amp MIG Welder, 110V 220V Flux Core MIG/Lift…

The bestarc 145Amp MIG Welder is a solid performer, delivering reliable 4-in-1 functionality with a focus on user control and clear feedback. Its synergic control is a great starting point, but I appreciated the ability to fine-tune voltage settings, which gives experienced welders the precision they crave. The dual voltage auto-identification is a thoughtful touch, making it seamless to switch between power sources, and the large LED display is genuinely helpful for monitoring parameters without having to lift your helmet.

Key features that stand out:
– Synergic Control: IGBT Inverter and Synergic technology with fine-tuning voltage adjustment.
– 4-IN-1 welder: Gas/Gasless MIG, Lift TIG, and Stick with 145Amp max current.
– 110/220V Dual-Voltage: Automatic voltage identification.
– Gas/Flux Core MIG Welder: Supports both welding types for flexibility.
– Portable & Powerful: Weighs just 13.7 pounds, includes shoulder strap.
– Digital Screen Display: Large LED display for clear parameter monitoring.

Pros:
– Synergic control with additional fine-tuning capability.
– Automatic dual voltage detection is very convenient.
– Comprehensive package with flux-cored and solid wire included.
– Large, easy-to-read digital display.
– Good balance of portability and power.

Cons:
– At 145A, its maximum output is slightly lower than some 160A+ models.

Best for: DIYers and professionals who want synergic control but also desire manual fine-tuning for more specialized tasks.

Expert Opinion: This bestarc welder offers a fantastic blend of beginner-friendly features and professional-level control. The ability to fine-tune voltage even in synergic mode sets it apart, providing that extra layer of precision for various materials and thicknesses.

YESWELDER 165A MIG Welder, Flux Core MIG/Gas MIG/Lift…

Stepping up slightly from its 160A sibling, the YESWELDER 165A offers a bit more power and some refined features that I found quite appealing. The detachable MIG torch, in particular, is a game-changer for maintenance and future upgrades, making this unit feel more professional. It retains the excellent dual synergic/manual control and dual voltage capability, making it incredibly adaptable. Plus, with a robust 165A output, it tackles slightly thicker materials with confidence.

Key features that stand out:
– 4 IN 1 MULTIFUNCTIONAL: Gasless Flux Core MIG/Gas MIG/Stick/Lift TIG (TIG torch sold separately).
– WELDING CAPACITY: 165 Amp output, compatible with various wire sizes and stick welding enhancements.
– SYNERGIC MIG: Automatic voltage matching with wire feed speed.
– MANUAL MIG: Allows for customized adjustments.
– DIGITAL DISPLAY: Advanced digital display for clarity.
– DETACHABLE TORCH: Upgraded detachable MIG torch for easy installation and maintenance.
– LIGHT&PORTABLE: Weighs just 18lbs with a carrying handle.
– SAFETY PRIORITIZED: Comprehensive safeguards against voltage fluctuations, over-current, overload, and overheating.

Pros:
– Increased 165A output for more demanding tasks.
– Detachable torch design enhances usability and longevity.
– Excellent blend of synergic and manual control options.
– Lightweight and portable with robust safety features.
– Good compatibility with various welding wires and rods.

Cons:
– Still requires a separate purchase for the Lift TIG torch.

Best for: Intermediate users and small workshop owners who need a versatile, slightly more powerful, and easily maintainable multiprocess welder.

Expert Opinion: The detachable torch on this 165A YESWELDER significantly improves its long-term usability and makes maintenance a breeze. This feature, combined with its slightly higher output, makes it a compelling choice for those ready to move beyond basic DIY.

ARCCAPTAIN 165A MIG Welder 110V/220V, 2025 Newest [Large…

This 2025 ARCCAPTAIN 165A model introduces some exciting technical upgrades that really caught my eye. The enhanced MCU and IGBT technologies allow for even more precise parameter adjustments, which is a huge plus for fine-tuning welds. The standout feature is undoubtedly the large LED display, which makes reading parameters without taking off your helmet a real convenience. With 2T/4T functions and improved cooling, this machine is designed for both efficiency and endurance.

Key features that stand out:
– 4-IN-1 MIG Welder: GAS MIG/Flux Core MIG/Lift TIG/ MMA (TIG torch sold separately).
– TECHNICAL UPGRADE: Upgraded MCU and IGBT for precise parameter adjustments (Synergy, Manual, MMA).
– LARGE LED DISPLAY: Exclusive human-computer interaction LED screen for clear data display, 2T/4T functions.
– HIGH PERFORMANCE: 165A output, 60% duty cycle, 30% improved cooling fan.
– SAFETY PROTECTION: Built-in over-current, over-load, overheating, and over-voltage functions.
– READY FOR WELDING: Weighs only 12.8 pounds, includes essential accessories.

Pros:
– Advanced MCU/IGBT technology for superior control.
– Large, clear LED display with 2T/4T functionality.
– Enhanced cooling system for longer duty cycles.
– Highly portable with included accessories.
– Robust 165A output for various materials.

Cons:
– Like others, the TIG torch is not included.

Best for: Experienced DIYers and professionals looking for advanced controls, a clear interface, and improved performance in a portable package.

Expert Opinion: The ARCCAPTAIN 165A’s upgraded tech and large LED display truly set it apart. The 2T/4T functions make it suitable for both quick spot welds and longer, continuous beads, reflecting a thoughtful design for varied applications.

TOOLIOM 200A MIG Welder 4 in 1 MIG/Flux MIG/Lift…

If you’re looking for serious power in a multiprocess machine, the TOOLIOM 200A is a force to be reckoned with. Its 200A output capacity allows it to weld thicker materials up to 5/32 inch, expanding your project possibilities significantly. What’s more, it’s designed to work with both 2lb and 10lb wire rolls, accommodating larger projects without frequent spool changes. The ability to weld aluminum with an optional spool gun is a huge bonus, making it truly versatile.

Key features that stand out:
– Up to 200A output current: Welds mild steel up to 5/32 inch (4.0mm) plate.
– Large LCD panel: Displays welding functions and parameters clearly.
– Wire Capacity: Applies to 2 and 10 pounds rolls of wire, .030″/.035″/.045″ solid & flux & aluminum wire.
– Aluminum Welding: Can weld aluminum with spool gun (extra purchase) or MIG gun with graphite wire feed tube.
– Multi-functions in one machine: MIG/ Flux MIG/ Stick/ Lift TIG/Spool Gun (TIG torch and spool gun extra).

Pros:
– Impressive 200A output for thicker materials.
– Capability for aluminum welding with a spool gun.
– Accommodates larger 10lb wire rolls.
– Clear LCD panel for easy monitoring.
– Versatile for heavy-duty DIY and light commercial work.

Cons:
– Several accessories (TIG torch, spool gun) are not included, increasing potential overall cost.

Best for: Users who need higher amperage for thicker materials, desire aluminum welding capability, and are willing to invest in optional accessories.

Expert Opinion: The TOOLIOM 200A stands out for its raw power and the option for aluminum welding, which is a premium feature often found in higher-end machines. It’s an excellent choice for those tackling more substantial projects or light fabrication work.

MIG Welder, 200Amp 4 in 1 Gas MIG/Gasless Flux Core…

This generic-named 200Amp 4-in-1 welder is a powerful and intuitive machine designed to handle a broad spectrum of welding needs. With its robust 200A output, it confidently tackles medium-duty fabrication alongside everyday repairs. I was particularly impressed by its automatic parameter adjustments (voltage and wire speed), which streamline operation. The inclusion of a spool gun connector right out of the box means it’s ready for aluminum welding when you are, making it a highly adaptable tool for various materials.

Key features that stand out:
– 4-in-1 Welding Modes: Gas MIG, Gasless Flux Core MIG, Stick/ARC, and Lift TIG (TIG torch sold separately).
– Spool Gun Connector: Included for immediate aluminum welding capability (spool gun sold separately).
– Automatic Parameter Adjustment: Voltage and wire speed auto-adjust with amperage/wire diameter changes.
– Built-in Protections: Overcurrent, overvoltage, overheating, and overload for safe, extended use.
– Wire Compatibility: Works with .023”, .030”, and .035” solid or flux core wire, up to 5-pound rolls.
– Versatile Applications: Ideal for small to medium businesses, DIYers, and professional welders.

Pros:
– High 200A output for greater welding capacity.
– Spool gun connector included for easy aluminum welding setup.
– Automatic parameter adjustment simplifies operation.
– Comprehensive safety features for prolonged use.
– Suitable for a wide range of users and applications.

Cons:
– The TIG torch is a separate purchase.

Best for: Medium-duty fabrication, professional welders on a budget, and those who need higher amperage and potential aluminum welding.

Expert Opinion: This 200A welder offers impressive power and smart features that make it accessible for many. The integrated spool gun connector is a significant advantage, providing a straightforward path to aluminum welding without complex modifications.

FEIFANKE 145A MIG Welder 110V, 4-in-1 Multi-Process Welding…

The FEIFANKE 145A 110V MIG Welder is an excellent choice for those primarily operating on a 110V power supply, focusing on precision and ease of use. While it’s a 110V-only unit, its synergic control makes it incredibly friendly for beginners, automatically recommending plate thickness and simplifying current adjustments. I appreciate that it comes with a complete set of accessories, including both flux core and solid wire, allowing you to start welding almost immediately without extra trips to the store.

Key features that stand out:
– 4-IN-1 Multifunctional Welder: Gas MIG, Flux Core MIG, MMA (Stick), and Lift TIG.
– Synergic MIG/MAG Welder: Intelligent voltage matching, beginner-friendly setup.
– Gas MIG with Solid Wire: Delivers smooth, low-spatter welds with shielding gas.
– Wide Compatibility: Supports E71T-GS flux core and ER70S-6 solid wire (0.8-1.0mm, 2-pound spools).
– Complete Set of Welding Accessories: Includes MIG torch, earth clamp, electrode holder, wires, rods, gas hose, etc.
– Safe Welding Equipment: Built-in safety protections (over-current, overload, over-voltage, overheating).

Pros:
– Comprehensive accessory package, ready to weld out of the box.
– Synergic control for very easy setup, especially for beginners.
– Excellent for precision work with Gas MIG and solid wire.
– Robust safety features for reliable operation.
– Specifically designed for 110V environments.

Cons:
– Limited to 110V input, restricting its use in some professional settings.

Best for: Beginners, home DIYers, and hobbyists who primarily use 110V power and want a complete, easy-to-use multiprocess welding kit.

Expert Opinion: The FEIFANKE 145A stands out by providing an all-inclusive package, making it highly attractive for first-time buyers. Its 110V-only focus simplifies its operation for home workshop users, emphasizing convenience and immediate readiness.

AZZUNO MIG Welder 145A, 110V/220V Dual Voltage 4 in 1…

The AZZUNO MIG Welder 145A is a remarkably compact and lightweight machine that still manages to offer full 4-in-1 functionality with dual voltage capability. What impressed me most was its user-friendly interface: the oversized LED screen is incredibly clear, and features like 2T/4T/SPOT welding modes for MIG and adjustable VRD, Arc Force, and Hot Start for Stick welding provide fantastic control. It’s an ideal choice for those who need portability without sacrificing advanced settings.

Key features that stand out:
– 4-IN-1 WELDER MACHINE: Gas MIG, Gasless Flux Core MIG, Lift TIG, and Stick welding.
– 110V/220V Dual Voltage: Compatible with various power inputs.
– LARGE CLEAR LED DISPLAY: Upgraded oversized LED screen for crystal-clear visibility.
– SMART&FLEXIBLE MIG WELDING: SYNERGIC mode, 2T, 4T, SPOT functions, and manual WIRE FEED BUTTON.
– ENHANCED STICK WELDING CONTROL: Adjustable VRD, Arc Force, and Hot Start settings.
– PORTABLE WELDER: Small size (5.7″×15″×8.8″) with 13LBS light weight.
– PACKING LIST: Includes flux cored wire, solid wire, MIG torch, electrode holder, ground clamp, and more.

Pros:
– Extremely compact and lightweight, highly portable.
– Oversized, clear LED display for easy reading.
– Advanced MIG features like 2T/4T/SPOT.
– Enhanced Stick welding control for better arc performance.
– Dual voltage capability in a small package.

Cons:
– 145A max output might be limiting for very thick materials.

Best for: Mobile welders, small workshop owners, and users who prioritize advanced controls in a highly portable, dual-voltage machine.

Expert Opinion: The AZZUNO 145A packs a lot of advanced features into an incredibly compact form factor. Its detailed control options for both MIG and Stick welding, combined with the excellent display, make it a premium choice for precise work on the go.

TOOLIOM 4 in 1 MIG Welder 180A Gas MIG/Flux…

The TOOLIOM 180A is a robust and versatile 4-in-1 welder that bridges the gap between mid-range and high-output machines. With 180A, it offers a solid increase in power for tackling more demanding tasks. What truly impressed me about this unit is that it includes a Lift TIG torch right in the package, making it genuinely ready for all four processes without extra purchases. The flexible Synergic and Manual MIG modes cater to all skill levels, and the smart LCD panel provides clear operational feedback.

Key features that stand out:
– 4-in-1 Versatility: Gas MIG, Flux MIG, Stick, and Lift TIG (Lift TIG torch included).
– Flexible MIG Modes: Synergic MIG (auto wire feed) and Manual MIG (adjustable feed).
– Smart LCD Panel: Clear welding data display for easy monitoring.
– Wire Compatibility: Works with 2-10lb rolls: .030″/.035″ flux core wire, plus .023″/.030″/.035″ solid wire.
– Full Accessories: Includes TL-180M MIG Welder, MIG gun, work clamp, electrode holder, Lift TIG torch with consumables, power adapter, and gas hose.

Pros:
– Lift TIG torch included, offering full 4-in-1 functionality out of the box.
– Strong 180A output for a wide range of applications.
– Both synergic and manual MIG modes for versatility.
– Accommodates larger 10lb wire rolls.
– Comprehensive accessory package, making it ready to use.

Cons:
– While powerful, some users might still prefer the 200A output for very heavy-duty work.

Best for: Welders who want a powerful, fully-equipped 4-in-1 machine that includes a TIG torch and can handle larger projects.

Expert Opinion: The TOOLIOM 180A truly stands out by including the Lift TIG torch, which many competitors omit. This makes it an incredibly cost-effective and immediate solution for anyone needing access to all four welding processes from day one, without additional purchases.

Comparison Short Insights

When looking at these diverse Best 4 In 1 Welder options, several key differentiators emerge. For sheer portability, the ARCCAPTAIN 160A and AZZUNO 145A are tough to beat, weighing around 12-13 pounds, making them perfect for mobile work. If maximum power is your priority, the TOOLIOM 200A and the generic 200Amp MIG Welder offer the highest amperage output for thicker metals and potentially aluminum welding.

Synergic control is a common and highly valued feature, found in almost all models including the YESWELDER 160A, bestarc 145Amp, and ARCCAPTAIN 165A, making them exceptionally user-friendly for beginners. However, the bestarc 145Amp provides an added layer of manual fine-tuning within synergic mode, offering more control.

For included accessories, the FEIFANKE 145A comes with a very comprehensive package, including both solid and flux core wires, which is great for new welders. The TOOLIOM 180A uniquely includes a Lift TIG torch, providing immediate access to all four functions without additional purchases, a significant value proposition.

If you’re looking for advanced display and control, the ARCCAPTAIN 165A (2025 Newest) with its large LED display and 2T/4T functions, and the AZZUNO 145A with its oversized screen and enhanced Stick controls, really shine. For those operating solely on 110V power, the FEIFANKE 145A is specifically designed for that environment.

Final Verdict

Choosing the “Best 4 In 1 Welder” really boils down to your specific needs and priorities.

For the Beginner or Enthusiastic DIYer: I’d highly recommend the YESWELDER Gas Gasless 160A or the bestarc 145Amp. Both offer excellent synergic control, dual voltage versatility, and are easy to learn on, with the bestarc adding a bit more manual fine-tuning. The FEIFANKE 145A is also a great choice if you’re primarily on 110V and want a truly ‘ready-to-weld’ package.

For the Mobile Professional or Small Workshop: The ARCCAPTAIN 160A and AZZUNO 145A stand out for their incredible portability and dual voltage, making them easy to transport and use on various job sites. The AZZUNO, in particular, offers advanced controls in a compact form.

For Power and Advanced Applications: If you need to tackle thicker materials or want aluminum welding capability, the TOOLIOM 200A or the generic 200Amp 4 in 1 MIG Welder are your best bets. They offer higher amperage and features like spool gun compatibility.

My Top Pick for Overall Value and Comprehensive Functionality: The TOOLIOM 4 in 1 MIG Welder 180A edges out many competitors by including the Lift TIG torch. This means you truly get all four processes out of the box without additional purchases, combined with a strong 180A output and flexible MIG modes. It strikes an excellent balance of power, features, and value.

Ultimately, any of these machines represent a significant upgrade in versatility for your welding projects. Consider your typical projects, available power, and skill level, and you’ll find a fantastic Best 4 In 1 Welder on this list to fit the bill.

Best 4 In 1 Welder: Your Questions Answered

Q1: What does “4 in 1” mean for a welder?

A1: A “4 in 1” welder, also known as a multiprocess welder, typically combines four common welding processes into a single machine: MIG welding (Gas MIG), Flux Core MIG welding (Gasless MIG), Stick welding (MMA), and Lift TIG welding. This versatility allows you to perform a wide range of tasks and work with various metals and thicknesses using just one piece of equipment.

Q2: Is a 4 in 1 welder suitable for beginners?

A2: Absolutely! Many Best 4 In 1 Welder models feature “synergic control,” which automatically adjusts voltage and wire feed speed based on your selected wire diameter or plate thickness. This greatly simplifies the setup process, making it much easier for beginners to get started and achieve good results. Manual control options are usually available for when you gain more experience.

Q3: Do all 4 in 1 welders come with a TIG torch included?

A3: No, not all of them. While most Best 4 In 1 Welder units are capable of Lift TIG welding, many manufacturers sell the Lift TIG torch separately. It’s crucial to check the product description and “what’s included” list for each specific model. The TOOLIOM 180A in our review is a notable exception, as it includes the Lift TIG torch.

Q4: What’s the difference between Gas MIG and Flux Core MIG?

A4: Gas MIG uses a solid wire and requires an external shielding gas (like Argon or CO2) to protect the weld puddle from atmospheric contamination, producing cleaner welds with less spatter. Flux Core MIG uses a hollow wire filled with flux material, which creates its own shielding gas when burned, eliminating the need for an external gas tank. Flux Core is often preferred for outdoor welding or on rusty/dirty metal, while Gas MIG is generally chosen for cleaner, more precise work on thinner materials.

Q5: Can a 4 in 1 welder handle aluminum?

A5: Some higher-amperage Best 4 In 1 Welder models can weld aluminum, but it often requires specific setups. For MIG welding aluminum, you’ll typically need a spool gun (often sold separately) or a MIG gun with a graphite liner, along with specific aluminum welding wire and 100% Argon shielding gas. Check the product specifications for “aluminum welding capability.”

Q6: What does “dual voltage” mean for a multiprocess welding machine?

A6: Dual voltage, usually 110V/220V, means the welder can operate on both standard household 110V/120V power outlets and higher-power 220V/240V outlets. This provides great flexibility, allowing you to use the welder in different locations and typically delivering higher amperage output when connected to 220V, which is useful for welding thicker materials.

Q7: What wire sizes and types are compatible with these welders?

A7: Most Best 4 In 1 Welder models are compatible with common wire sizes like .030″, .035″, and sometimes .023″ or .040″. They typically support both flux-cored wire (like E71T-GS) and solid wire (like ER70S-6). Compatibility with 2-pound and 10-pound wire spools is also a common feature, with larger spools reducing the frequency of wire changes. Always check the specific product’s manual for exact wire compatibility.