The Lincoln Frontier 400X K3484-1-RP3 is an outstanding all-round welder/generator. It can deliver up to 400 amps of DC multi-process welding, along with 120/240 VAC single phase and 240 VAC three phase auxiliary power. It has a bright and durable 7-inch digital user interface screen for advanced functions. Powered by a 24.7 hp Perkins 403F-15T diesel engine, it comes with patented Chopper Technology and CrossLinc Technology. This advanced engine-driven welder/generator offers top-notch arc performance and the latest welding innovation for maximum jobsite versatility. Its multi-process capability provides optimized CC and CV modes, plus specialized modes for mechanized equipment and advanced GMAW applications like STT and pulse welding. The next-gen display, an industry first, has enhanced operator-focused features such as saving and recalling weld parameters, maintenance reminders, and optional PIN user authorization. Additional features include Auto-Stop/Start technology to cut engine idling, save fuel, and reduce engine wear. CrossLinc Technology allows output adjustment at the arc, boosting productivity, safety, and weld quality. Features: 1. Full Job-Site Versatility: Up to 400 amps (IEC rated at 325 amps) for various welding and carbon arc gouging. Six optimized CC and CV modes and advanced modes for pulsed TIG, pulsed MIG, STT, and mechanized equipment. 2. All Day Auxiliary Power: Up to 11 kW of continuous three-phase power for industrial tools. 3. Next-Gen Display: 7-inch digital interface for great machine control, with memory save/recall, maintenance reminders, and PIN authorization. 4. CrossLinc Enabled: Communicate through a standard weld cable for arc voltage or current control without a control cable, improving safety, quality, and productivity. True Voltage Technology (TVT) compensates for voltage drop. 5. Run Longer and More Efficient: 20 US gal. (75.7 L) fuel tank and Auto-Stop/Start to save fuel, reduce engine wear, and extend maintenance intervals. 6. Field-Proven Diesel Engine: 24.7 hp turbocharged Perkins diesel engine for smooth, quiet operation, good cold-weather starting, and high altitude performance, meeting EPA Tier 4 Final compliance. 7. Trusted Reliability: Built tough for harsh conditions, backed by industry support and a 3-year warranty. Dimensions (HxWxL): 35.9' x 25.3' x 60'. Weight: 1035 lbs. Warranty: 3 years. Included with Product: Lincoln Frontier 400X Welder/Generator (Perkins) - K3484-1, Trailer with integrated lights and forklift pockets, fender kit, cable rack. Specifications: Click the image below to view full spec sheet.











Using the Lincoln Frontier 400X Welder/Generator is quite straightforward. First, make sure it's on a stable surface. Connect your welding tools or industrial equipment to the appropriate power outlets for either single - phase or three - phase power. Start the diesel engine following the normal starting procedures for a diesel engine. Use the 7 - inch digital display to set your welding parameters. You can save and recall these settings later for convenience. When using the CrossLinc Technology, you can adjust the output at the arc without going back to the power source. Remember to turn on the Auto - Stop/Start feature to save fuel and reduce engine wear. Here are some important safety notes. Always wear proper safety gear like welding helmets, gloves, and protective clothing. Keep the area around the machine well - ventilated, especially when running the diesel engine. Don't touch the welding electrodes or power connections with wet hands. For maintenance, regularly check the fuel level in the 20 - gallon tank. Inspect the engine oil and coolant levels. The machine has maintenance reminders on the display, so follow those to keep the engine and the welding components in good shape. If there are any signs of wear or damage, like frayed cables or leaks, stop using the machine and get it repaired. And keep in mind that this machine comes with a 3 - year warranty, so if you have any major issues, contact the support team.