P4-15T - Tweco #4 Style 400 Amp MIG Gun, 15 ft

Techniweld P4-15T: The Industrial Standard for 400A MIG Welding

Upgrade your welding setup with the Techniweld P4-15T, a premium quality import MIG gun engineered to meet the rigorous demands of heavy fabrication. This torch is a direct replacement for the classic Tweco #4 style guns, offering a robust 400 Amp output capability. It is the ideal solution for shops running high-amperage spray transfer or flux-cored applications where heat management and durability are critical. The 15-foot (4.6 meter) cable assembly offers superior flexibility, allowing welders to access hard-to-reach joints without compromising wire feed stability.

Seamless Integration

The P4-15T is designed with a standard Tweco power pin connection, ensuring instant compatibility with a vast array of industrial wire feeders. There is no need for expensive adapters if your machine is set up for Tweco guns. The front end is equally standardized, utilizing the ubiquitous Tweco 14 Series contact tips and 24 Series gas nozzles. This standardization simplifies inventory management for consumables, as these parts are among the most widely available in the welding industry.

Ergonomics and Durability

Welder comfort translates directly to weld quality. The P4-15T features a curved, ergonomic handle that balances weight distribution and provides a secure grip, essential for maintaining steady torch manipulation over long welds. The trigger switch is designed for positive engagement and long cycle life. To prevent cable failure—a common issue in busy shops—the gun is equipped with sturdy metal spring supports at the connection points. These supports prevent sharp bends that can damage the liner or power cable, ensuring smooth wire delivery and consistent arc performance.

Performance Specifications

• Amperage: 400 Amps (CO2), 350 Amps (Mixed Gas).
• Duty Cycle: 60%.
• Wire Size Range: Compatible with .035" to 5/64" wires (with appropriate liner).
• Cooling: Air-cooled efficiency for heavy plate welding.

For fabricators seeking a cost-effective yet high-performance alternative to OEM torches, the P4-15T offers exceptional value without sacrificing quality or capability.