Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

TWECO MIG TWECO WeldSkill WM 400 MIG Gun, 400 A, 0.045 in, 15 ft, Miller-Compatible - Tweco MIG Guns
TWECO MIGTweco MIG Guns

TWECO MIG TWECO WeldSkill WM 400 MIG Gun, 400 A, 0.045 in, 15 ft, Miller-Compatible

The TWECO MIG Gun WeldSkill WM 400 is a 400 A, 0.045 in, 15 ft MIG gun from the Tweco MIG Guns product type, designed for CO2 (Carbon Dioxide) gas. It features a Miller-Compatible rear connection and uses the WS14…

SKU 3G-OTH-354971

Brand
TWECO MIG
Item
TWECO WeldSkill WM 400 MIG Gun, 400 A, 0.045 in, 15 ft, Miller-Compatible
Category
Tweco MIG Guns
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TWECO MIG
Manufacturer Part Number
10471027
For Gas Type
CO2 (Carbon Dioxide)
MIG Gun Model
WM400M-15-3545
Contact Tip Series
WS14
For Rear Connection Type
Miller-Compatible

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

TWECO MIG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TWECO MIG Gun WeldSkill WM 400 is a 400 A, 0.045 in, 15 ft MIG gun from the Tweco MIG Guns product type, designed for CO2 (Carbon Dioxide) gas. It features a Miller-Compatible rear connection and uses the WS14 contact tip series, with model number WM400M-15-3545 and manufacturer part number 10471027.

Frequently Asked Questions

What is the TWECO MIG Gun WeldSkill WM 400 used for?

The TWECO MIG Gun WeldSkill WM 400 is used for semi-automatic gas metal arc welding (GMAW/MIG) with CO2 shielding gas. It is designed for industrial fabrication, automotive repair, and heavy manufacturing applications requiring a 400 A, 0.045 in wire feed capacity.

What are the specifications of the TWECO MIG Gun WeldSkill WM 400?

The TWECO MIG Gun WeldSkill WM 400 has a 400 A rating, 0.045 in wire size, 15 ft cable length, and a Miller-Compatible rear connection. It uses the WS14 contact tip series and is designed for CO2 gas. The model number is WM400M-15-3545 with MPN 10471027.

Where to buy the TWECO MIG Gun WeldSkill WM 400 worldwide?

3G Electric supplies the TWECO MIG Gun WeldSkill WM 400 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this Miller-compatible MIG gun for your welding operations.

How to select the correct TWECO MIG Gun for a Miller welder?

To select the correct TWECO MIG Gun for a Miller welder, ensure the rear connection type is Miller-Compatible, as with the WM 400 model. Match the amperage (400 A), wire size (0.045 in), and cable length (15 ft) to your application. Verify the contact tip series (WS14) and gas type (CO2) for proper fit.

Used in

Common applications for TWECO MIG
Heavy equipment manufacturing — TWECO Classic No. 4 (400 A) for welding thick steel components with CO2 shielding gas.
Shipbuilding — TWECO Spray Master 350 for mixed gas spray transfer on hull plates and structural members.
Structural steel fabrication — TWECO WeldSkill WM 400 for high-deposition welding of beams and columns.
Automotive repair — TWECO Classic No. 2 (200 A) for thin-gauge sheet metal welding with Miller-compatible feeders.
Pipeline construction — TWECO Classic No. 3 (300 A) for field welding of carbon steel pipes using CO2 gas.
General maintenance and repair — TWECO WeldSkill WM 400 with 12 ft cable for confined-space welding in industrial plants.

TWECO MIG Products

3G Electric supplies TWECO MIG tweco mig guns. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Related products

More from TWECO MIG

View all TWECO MIG parts
The TWECO MIG Gun Classic No. 3 (MPN 10301103) is a semi-automatic GMAW gun rated for 300 A and 0.045 in wire, with a 15 ft length. It uses Contact Tip Series 14 and is configured for CO2 shielding gas with a Tweco-compatible rear connection. Suitable for fabrication, repair, and production welding in industrial environments
TWECO MIG
The TWECO MIG Gun Classic No. 3 (MPN 10301103) is a semi-automatic GMAW gun rated for 300 A and 0.045 in wire, with a 15 ft length. It uses Contact Tip Series 14 and is configured for CO2 shielding gas with a Tweco-compatible rear connection. Suitable for fabrication, repair, and production welding in industrial environments
TWECO MIG Gun Classic No. 2, model 215-3035, rated at 200 A for 0.035 in wire with a 15 ft cable. Designed for CO2 shielding gas and features a Tweco-Compatible rear connection with Contact Tip Series 14. Suitable for semi-automatic GMAW in fabrication and repair applications
TWECO MIG
TWECO MIG Gun Classic No. 2, model 215-3035, rated at 200 A for 0.035 in wire with a 15 ft cable. Designed for CO2 shielding gas and features a Tweco-Compatible rear connection with Contact Tip Series 14. Suitable for semi-automatic GMAW in fabrication and repair applications
The TWECO Spray Master 450 is a MIG gun model MS415X-116 rated at 450 A, featuring a 1/16 in contact tip from the 16S series and a 15 ft cable. It has a Euro-Compatible rear connection and is designed for use with mixed gas. This gun is suitable for spray-transfer welding applications in heavy fabrication, automotive repair, and general manufacturing where high deposition rates and clean welds on steel are required
TWECO MIG
The TWECO Spray Master 450 is a MIG gun model MS415X-116 rated at 450 A, featuring a 1/16 in contact tip from the 16S series and a 15 ft cable. It has a Euro-Compatible rear connection and is designed for use with mixed gas. This gun is suitable for spray-transfer welding applications in heavy fabrication, automotive repair, and general manufacturing where high deposition rates and clean welds on steel are required
Semi-automatic MIG gun rated at 350 A for gas metal arc welding with mixed gas. Features an ergonomic handle, 1/16 in contact tip (series 16S), and 12 ft cable. Uses Tweco-Compatible rear connection. Suitable for fabrication, repair, and manufacturing applications
TWECO MIG
Semi-automatic MIG gun rated at 350 A for gas metal arc welding with mixed gas. Features an ergonomic handle, 1/16 in contact tip (series 16S), and 12 ft cable. Uses Tweco-Compatible rear connection. Suitable for fabrication, repair, and manufacturing applications
The TWECO Spray Master 450 is a MIG gun rated at 450 A, using a 1/16 in contact tip from the 16S series and a 15 ft cable. It operates with mixed gas and features a Lincoln-Compatible rear connection. Suitable for semi-automatic MIG welding in fabrication and repair applications
TWECO MIG
The TWECO Spray Master 450 is a MIG gun rated at 450 A, using a 1/16 in contact tip from the 16S series and a 15 ft cable. It operates with mixed gas and features a Lincoln-Compatible rear connection. Suitable for semi-automatic MIG welding in fabrication and repair applications
The TWECO MIG Gun Classic No. 4 (MPN 10401103) is a semi-automatic GMAW gun rated for 400 A and 0.035 in wire, with a 15 ft length. It features a Tweco-Compatible rear connection, uses Contact Tip Series 14, and is designed for CO2 shielding gas. Suitable for heavy fabrication, automotive repair, and industrial manufacturing
TWECO MIG
The TWECO MIG Gun Classic No. 4 (MPN 10401103) is a semi-automatic GMAW gun rated for 400 A and 0.035 in wire, with a 15 ft length. It features a Tweco-Compatible rear connection, uses Contact Tip Series 14, and is designed for CO2 shielding gas. Suitable for heavy fabrication, automotive repair, and industrial manufacturing
TWECO MIG
TWECO MIG
MIG gun rated 400 A for 0.045 in wire, 15 ft cable, Euro-Compatible rear connection, Contact Tip Series 14, for CO2 gas. Used for semi-automatic GMAW in fabrication and repair
MIG gun rated at 250 A with 0.045 in wire capacity and 12 ft cable. Uses Contact Tip Series 11H and is designed for mixed gas. Features a Lincoln-compatible rear connection. Suitable for semi-automatic MIG welding in fabrication, repair, and production applications
TWECO MIG
MIG gun rated at 250 A with 0.045 in wire capacity and 12 ft cable. Uses Contact Tip Series 11H and is designed for mixed gas. Features a Lincoln-compatible rear connection. Suitable for semi-automatic MIG welding in fabrication, repair, and production applications