Tweco 1064-1106 Water-cooled Mig Gun 600 Amp 15 Ft

Product Description

The TWECO 1064-1106 is a water-cooled MIG welding gun rated at 600 amps with 100% duty cycle, built for continuous high-amperage welding in demanding industrial environments. At 15 feet in length, it delivers full output without derating, supported by large-diameter water lines and threaded left-hand CGA water line connections that maximize coolant flow through the front end. The ergonomic handle is designed to reduce operator fatigue during extended runs. A standard conductor tube (part number WCS66-60) is included, and the gun uses a 45 Series conduit liner. The outer cover shields internal components from weld spatter and abrasion.

This gun is well-suited for heavy fabrication settings including shipbuilding and offshore yards, steel industry production, automotive manufacturing, and industrial repair and maintenance operations. It adapts to Miller and Lincoln style machines through simplified direct rear plug connections, making it a practical choice for shops running mixed equipment. The Tweco-style rear connector allows for straightforward integration into existing torch setups. Replacement cable assemblies, including field-repairable power cable, water lines, and gas hose, are available separately for in-field serviceability.

Key Features

• 600 amp rating with 100% duty cycle for uninterrupted high-amperage welding
• Water-cooled design with large water lines and threaded left-hand CGA connections for maximum coolant flow
• Ergonomic handle reduces operator fatigue during long weld cycles
• Color-coded water lines distinguish water-in from water-out connections
• Outer cover protects internal components from spatter and abrasion
• Adapts to Miller and Lincoln style machines via direct rear plug connection
• Field-repairable: replacement cable assemblies, water lines, and gas hose available separately

Compatibility

Adapts to Miller and Lincoln style welding machines. Includes standard conductor tube WCS66-60 (stock number 1664-1106) on guns up to 15 feet. Uses 45 Series conduit liner.

Installation Notes

Installation should be performed by a qualified welding equipment technician or licensed industrial electrician. Shut down the welding power source and close all water supply valves before connecting or disconnecting the gun. Verify water line connections are tight and leak-free before resuming operation, and confirm coolant flow is established prior to initiating any weld arc. Follow applicable AWS and OSHA guidelines for water-cooled torch installation and maintenance.

Technical Specifications

• Amperage: 600 amps
• Duty Cycle: 100%
• Cable Length: 15 feet
• Wire Capacity: Up to 1/16 inches
• Cooling Type: Water-cooled
• Conductor Tube: WCS66-60 (Stock No. 1664-1106)
• Conduit Liner Series: 45 Series
• Water Line Connection: Threaded LH CGA
• Weight: 11.4 pounds
• Length: 23.2 inches
• Width: 14.8 inches
• Height: 5.9 inches

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1064-1106