Lincoln Magnum PRO Robotic 550 Welding Gun, Thru-Arm Air Cooled 1520ID Ready-Pak K3359-1520ID Drag Shield Caps 98% Argon / 2% O₂

98% Argon / 2% O₂ (recommended blend for optimal arc characteristics and weld quality)

This case contains four 1-gallon bottles of specialized coolant formulated to provide optimal cooling performance and system protection

Model “J in

Confirm M20585-4 / 9SM20585-4 in the applicable Lincoln parts list using the model and code number from the rating plate

Lincoln Magnum PRO Robotic 550 Welding Gun, Thru-Arm Air Cooled 1520ID Ready-Pak K3359-1520ID Drag Shield Caps 98% Argon / 2% O₂Designed for easy repair. Magnum PRO Robotic Guns combine a robust design with industry leading expendable parts to produce a consistent high performing arc. Single Tool Center Point (TCP) Changing between 350A and 550A expendables does not alter the robot TCP. Robust Cable System Cables exceed industry standards by a factor of two in durability testing. Simplified Expendable Parts Selection 350A and 550A rated consumables are interchangeable across