{"product_id":"lincoln-magnum-pro-al-fc-450-water-cooled-front-trigger-mig-welding-gun","title":"Lincoln Magnum PRO AL FC 450 Water-Cooled Front Trigger MIG Welding Gun","description":"\u003cp\u003eThe Lincoln Electric Magnum PRO AL FC 450 Water-Cooled Front Trigger MIG Welding Gun is a 450-amp heavy-duty gun for high-duty-cycle aluminum MIG\/GMAW and FCAW production welding. Water cooling sustains safe gun and cable temperatures at amperage levels and arc-on times that would quickly overheat an air-cooled gun. The front trigger positions the switch at the front of the handle — ergonomically preferred for overhead, vertical, and high-repetition welding positions.\u003c\/p\u003e\n\u003cp\u003eAvailable with a 12-pin Lincoln Electric feeder connection in cable lengths of 15 ft, 25 ft, 35 ft, and 50 ft, the Magnum PRO AL FC 450 FT adapts to close-proximity and extended-reach production setups. Field-replaceable consumables — tips, nozzles, and liners — keep the gun in service without full replacement.\u003c\/p\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eK4798-1\u003c\/strong\u003e – Magnum PRO AL FC 450 Water-Cooled, 12-Pin, Front Trigger, 15 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK4798-2\u003c\/strong\u003e – Magnum PRO AL FC 450 Water-Cooled, 12-Pin, Front Trigger, 25 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK4798-3\u003c\/strong\u003e – Magnum PRO AL FC 450 Water-Cooled, 12-Pin, Front Trigger, 35 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK4798-4\u003c\/strong\u003e – Magnum PRO AL FC 450 Water-Cooled, 12-Pin, Front Trigger, 50 ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e450-amp water-cooled rating\u003c\/strong\u003e — sustained high-duty-cycle capability beyond air-cooled gun limits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront trigger ergonomics\u003c\/strong\u003e — preferred for overhead, out-of-position, and high-repetition welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-pin connection\u003c\/strong\u003e — full compatibility with Lincoln Electric wire feeders and power sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum and flux-cored wire capable\u003c\/strong\u003e — GMAW aluminum and FCAW structural processes from one gun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour cable lengths: 15 ft, 25 ft, 35 ft, 50 ft\u003c\/strong\u003e — close-in and extended-reach production layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater cooling circuit\u003c\/strong\u003e — maintains safe temperatures during sustained 450A production welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-replaceable consumables\u003c\/strong\u003e — tips, nozzles, and liners serviceable for continuous uptime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-duty-cycle aluminum GMAW in shipbuilding, aerospace, and heavy transportation manufacturing\u003c\/li\u003e\n\u003cli\u003eHeavy FCAW structural welding on construction, bridge, and offshore applications\u003c\/li\u003e\n\u003cli\u003ePressure vessel and heat exchanger fabrication at sustained high amperage\u003c\/li\u003e\n\u003cli\u003eProduction lines where cycle times exceed air-cooled gun capacity\u003c\/li\u003e\n\u003cli\u003eRobotic-adjacent manual high-deposition welding requiring extended arc-on time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Lincoln Electric Magnum PRO AL FC 450 Water-Cooled Front Trigger\u003c\/h2\u003e\n\u003cp\u003eThe Lincoln Electric Magnum PRO AL FC 450 Front Trigger MIG gun delivers 450-amp water-cooled performance for high-deposition aluminum GMAW and FCAW environments where air-cooled guns cannot keep pace. Front trigger ergonomics, 12-pin feeder compatibility, four cable length options, and field-replaceable consumables make the Magnum PRO AL FC 450 FT the engineered solution for the most demanding high-duty-cycle production welding.\u003c\/p\u003e","brand":"Lincoln Electric","offers":[{"title":"15 ft","offer_id":43639508467863,"sku":"K4798-1","price":4574.64,"currency_code":"USD","in_stock":true},{"title":"50 ft","offer_id":43639507910807,"sku":"K4798-4","price":5858.44,"currency_code":"USD","in_stock":true},{"title":"25 ft","offer_id":43639507845271,"sku":"K4798-2","price":4939.2,"currency_code":"USD","in_stock":true},{"title":"35 ft","offer_id":43639507878039,"sku":"K4798-3","price":5334.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7140\/4695\/files\/lincoln-magnum-pro-al-fc-450-water-12p-ft-15-ft-k4798-1-lincoln-electric-1.jpg?v=1746611252","url":"https:\/\/weldingmart.com\/products\/lincoln-magnum-pro-al-fc-450-water-cooled-front-trigger-mig-welding-gun","provider":"WeldingMart.com","version":"1.0","type":"link"}