Buffalo Tools Flux Core 125 Mig Welder

Included Warranty: 90 day Manufacturer
The Rewards Program that Pays for Itself
  • EARN 5 to 40%
    Earn 5% in Club O Rewards on every order & up to 40% on select items.
  • FREE SHIPPING Every Order, Every Day*
    No matter how big or small, your order always ships for free.
    Dedicated customer service and early access to exclusive deals.
    Club O pays for itself, or we make up the difference
Today: $228.99
At other retailer: $263.99 Save $35.00 (13%)
Free Shipping*
ITEM# 13706017
  • Delivery Estimate

    Select a Product Option to view shipping

    • Product Alerts

      Stay in the know! Choose which alerts you’d like to receive on this product.

    Buffalo Tools Flux Core 125 Mig Welder
    • Wishlists
    • Save for Later

    Perfect for a range of repairs and building projects, this 125 mig welder offers two different heat settings for greater versatility. Tackle any small to medium sized jobs around the home or garage with a welder that will offer superior performance.


    ITEM#: 13706017

    This mig welder has two different heat settings. This welder includes a ground cable with clamp, welding gun, spool of flux cored wire, face shield and brush hammer.

    • Thermal overload protection amps: 80 (max 125)
    • Duty cycle 20-percent at AMPS
    • Wire size: 0.030 - 0.035
    • Heat settings: Two
    • Max metal thickness: 18-gauge / 3/16-inch
    • Intended use: For small to medium-sized welding jobs around the home, garage or farm
    • Dimensions: 21.25 inches long x 12.2 inches wide x 17.75 inches high
    • Color: Black
    • Set includes: Ground cable with clamp, welding gun, spool of flux cored wire, face shield and brush hammer
    • Materials: Steel
    • Model: MMIG125


    Material Other
    Assembly Assembled
    Warranty 90 day Manufacturer
    Materials metal
    Model Number MMIG125

    Customer Reviews

    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    • another "what the heck"

      I was looking for a welder that could weld Stainless Steel - this one should have stated that that it wasn't capable of doing stainless!

      Read More
    • poor quality

      this product is of poor quality and is very fragile. it is not durable as I was led to believe

      Read More

    Questions & Answers

    Get your product questions answered right here.
    • only fan works when turned on .what to replace to fix. have been looking for answers but have found NONE. IF CAN'T GET ANSWERS WILL BUY ANOTHER BRAND

      • Thank you for shopping with us fixitman181. The fan replacement part numbers: Fan Blade 1, 11 Fan Motor 1,12 Fan Bracket. Have a great day

    • what gases does it need to operate?

      • Hello chaseman35, You do not need any gases to operate this welder. Thank you for shopping Overstock.com; have a great day!

    • how do i get parts for this welder

      • If any parts were missing or defective, we ask you to contact us at 1-800 The Big O (843-2446) or live chat and we can send a parts request. Otherwise, we ask you to contact the manufacturer for replacement parts.

    • is this strong enough to weld on a wrought iron fence

      • It depends on the fence that you are using it on. The maximum metal thickness is 18-gauge / 3/16-inch.

    • Is this powered by a 220 electrical outlet? If so, what plug prong arrangement?

      Read more Read less
    • is this unit suitable for gasless welding

      • This particular item actually makes a gas while it is being used. This welder does not have input for Argon gas.

    Shopping Tips & Inspiration

    Shipping & Returns


    Usually leaves our warehouse in 1 business day. *

    Standard Return Policy:

    Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
    Standard shipping details
    Expedited shipping details

    * For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.