TWECO MIGTweco MIG Guns

TWECO MIG Gun: Classic No. 4, 400 A, 0.045 in, 15 ft

The TWECO MIG Gun Classic No. 4 is a 400 A, 0.045 in, 15 ft MIG gun from the Tweco MIG Guns product type. It features a Euro-Compatible rear connection, uses Contact Tip Series 14, and is designed for CO2 (Carbon…

SKU 3G-OTH-354986

Also listed as: 10401603 · 1040 1603

Brand

TWECO MIG

Item

Gun: Classic No. 4, 400 A, 0.045 in, 15 ft

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TWECO MIG

Manufacturer Part Number

1040-1603 

For Gas Type

CO2 (Carbon Dioxide) 

MIG Gun Model

X415-3545 

Contact Tip Series

14

For Rear Connection Type

Euro-Compatible 

Technical Documents

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TWECO MIG Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the TWECO MIG Gun Classic No. 4 used for?

The TWECO MIG Gun Classic No. 4 is used for semi-automatic gas metal arc welding (GMAW) with CO2 shielding gas. It is rated at 400 A and handles 0.045 in wire, making it suitable for heavy fabrication, automotive repair, and industrial manufacturing applications.

What are the specifications of the TWECO MIG Gun Classic No. 4?

The TWECO MIG Gun Classic No. 4 has a 400 A rating, uses 0.045 in wire, and comes with a 15 ft cable. It features a Euro-Compatible rear connection, uses Contact Tip Series 14, and is designed for CO2 gas. The model is X415-3545 (MPN 1040-1603).

Where to buy the TWECO MIG Gun Classic No. 4 worldwide?

3G Electric supplies the TWECO MIG Gun Classic No. 4 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Tweco MIG gun.

How to select the correct contact tip for the TWECO MIG Gun Classic No. 4?

For the TWECO MIG Gun Classic No. 4, use Contact Tip Series 14. Select a tip diameter matching your wire size (e.g., 0.045 in). Ensure the tip is compatible with CO2 gas and the Euro-Compatible rear connection. Always verify with the manufacturer's specifications for optimal weld quality.

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.

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