Tweco #4 Lincoln 400A MIG Gun 12′ 4M LN7/9/25
$240.00
Product Introduction
Premium quality MIG gun torch designed for home hobby welders. Features Lincoln Direct MK Bayonet Connection, compatible with Lincoln welders LN7, LN8, LN9, LN22, LN25, SUITCASE, LN742, SYNERGIC 7. 12-month warranty included.
Product Parameters
| Amperage | 400 Amp Co2 @ 60% duty cycle |
| Cable Length | 4 meter (12′) |
| Consumables | Tweco #4 compatible |
| Part Number | NT4-12L |
| Connection | Lincoln Direct MK Bayonet |
Tweco #4 Lincoln 400A MIG Gun – 12′ 4 Meter for LN7/9/25 Welders
Engineered for precision and durability, this Tweco #4 compatible MIG gun delivers industrial-grade performance for home hobbyists and professional welders alike. With Lincoln direct MK bayonet connection, it seamlessly integrates with your Lincoln LN7, LN9, LN25, and other compatible welders, ensuring reliable arc starts and consistent weld quality.
Core Specifications
| Amperage | 400A CO? @ 60% duty cycle |
| Cable Length | 4 meters (12′) |
| Connection | Lincoln Direct MK Bayonet |
| Consumable Compatibility | Tweco #4 series |
| Part Number | NT4-12L |
| Warranty | 12 months |
| Compatible Welders | LN7, LN8, LN9, LN22, LN25, SUITCASE, LN742, SYNERGIC 7 |
| Contact Tip Sizes | 0.8mm-2.0mm |
| Gas Diffuser | 54A Tweco |
| Insulator | 34A Tweco |
Key Features & Benefits
Heavy-Duty Construction: Robust build quality ensures longevity even in demanding workshop environments. The 4-meter cable offers flexible maneuverability for large workpieces.
Premium Consumables: Compatible with a full range of Tweco #4 contact tips (0.8mm to 2.0mm) and nozzles (24A-50, 24A-75, 24A62), allowing customization for different wire types and thicknesses.
Lincoln Compatibility: Direct MK bayonet connection guarantees seamless integration with Lincoln welders, eliminating adapter issues and ensuring optimal power transfer.
Application Scenarios
Ideal for home hobbyists, auto body repair, metal fabrication, and light industrial use. Perfect for welding mild steel, stainless steel, and aluminum with MIG or flux-cored processes.
Quality Assurance
Backed by a 12-month warranty and manufactured by North welding products, a leader in premium welding gear. Full range of spares available for easy maintenance.
FAQ
Q: Will this gun fit my Lincoln LN25 welder?
A: Yes, it is specifically designed for Lincoln LN25 and other listed models.
Q: What contact tip size should I use for 1.2mm wire?
A: Use 14H45 (1.2mm) or 15H52 (1.2mm alloy) contact tips.
Q: Is a gas diffuser included?
A: Yes, the 54A Tweco gas diffuser is part of the standard front-end setup.
Ready to elevate your welding projects? Contact us today for bulk pricing, technical support, or to confirm compatibility with your specific Lincoln welder model.
