Name: Frontier® 400X Welder/Generator w/ Perkins® Diesel Engine (12,500W) #K3484-1
Brand: Lincoln Electric
SKU: LINK3484-1

24.7HP 20Gal Diesel Engine
120/240V 60Hz Output
1-Phase or 3-Phase Output
10000W 120/240V 1PH,
11000W 240V 3PH
7" Digital User Interface
Lincoln Electric 3-Year Warranty

Lincoln Electric Frontier® 400X Diesel Welder/Generator with Perkins® Engine #K3484-1

Lincoln Electric's Frontier® 400X with diesel engine is a powerful, engine-driven welder/generator designed to deliver best-in-class arc performance with the latest innovations in welding technology.

Built for versatility, this machine supports multi-process welding with optimized CC and CV modes, as well as specialized modes for mechanized equipment and advanced GMAW applications, including STT® and pulse welding.

Whether you're working on-site or in the shop, the Frontier® 400X provides unmatched precision, productivity, and reliability.

Highlights

Multi-process capability, optimized for CC and CV modes
Powerful and reliable Perkins® diesel engine
Next-gen display with operator-focused enhancements
Versatile performance for a range of applications

Industries

Construction
Heavy Fabrication
Oil & Gas
Pipe Welding
Industrial Maintenance

What’s Included

Frontier® 400X Pipe machine only

Benefits of the Frontier® 400X Pipe (Perkins®)

Superior Pipeline Performance
Multi-process Versatility
Reliability and Power
Exceptional Arc Control

Fast, Free Shipping & Easy Returns

At Welders Supply, we focus on providing quick, dependable shipping and seamless returns. If you're unsatisfied, return the product within 14 days for an exchange, credit, or refund. All returns must be freight prepaid, in the original packaging, with all manuals and accessories. A restocking fee of up to 25% may apply depending on the condition of the returned product. Certain exclusions apply, including custom orders, PPE, and demo items. For more details, contact our customer service team at 1-844-682-0205.

Browse all welder/generators or explore Lincoln Electric welding supplies at the best prices online.

Welding Machine Weights & Dimensions

Dimensions (H x W x D)	35.9 in x 25.3 in x 60 in (913 mm x 643 mm x 1524 mm)
Net Weight	1035 lbs (469 kg)

General Specifications

Machines Processes	Stick (SMAW) Gouging (CAC-A) TIG (GTAW) MIG (GMAW) Pulsed MIG (GMAW-P) Flux-Cored Self-Shielded (FCAW-S) Flux-Cored Gas-Shielded (FCAW-G) Orbital MIG
IEC Rating	325A / 33V / 100% @ 104°F (40°C)
Max Rating	400A / 26V / 60% @ 104°F (40°C)
Output Range by Mode	Stick (SMAW): 30 – 400 Amps CV-Wire (GMAW, FCAW-S, FCAW-G): 10 – 45 Volts DC TIG (GTAW): 5 – 400 Amps Arc Gouging (CAC-A): 60 – 400 Amps
Open Circuit Voltage	71 Peak OCV at 1800 RPM
Rated Gouging Carbon Diameter	5/16" (8.0 mm)
Machines Communication Technology	CrossLinc

Engine Driven Welding Specs

Single Phase Auxiliary Output	10,000 Watts Continuous / 11,500 Watts Peak, 120/240V
Three Phase Auxiliary Output	11,000 Watts Continuous / 12,500 Watts Peak, 240V
Auxiliary Output Frequency	60 Hz
Receptacle Types	NEMA 5-20R NEMA 14-50R NEMA 15-50R
Engine Brand & Model	Perkins® 403F-15T
Engine Description	3 Cylinder Turbocharged Water Cooled Diesel Engine
Engine Horsepower	24.7 hp (18.4 kW)
Engine Block Size & Displacement	91 cu. in (1.5 L) Bore x Stroke - 3.3 in x 3.5 in (84 mm x 90 mm)
Emissions Rating	US EPA Tier 4 Final
High Idle Operating Speed @ Rated Output	1800
Low Idle Operating Speed	1440
Sound Rating @23 ft. (7m)	67 dBA at Low Idle 71 dBA at High Idle
Fuel Tank Size (US gal.)	20 US gal.
Fuel Tank Size (L)	75.7 L
Oil Capacity (qts.)	6.4 qts.
Oil Capacity (L)	6.0 L
Coolant Capacity (US gal.)	1.8 US gal.
Coolant Capacity (L)	6.8 L

Application

Typical Application

Construction
Mining
Railroad Maintenance
Cross Country Pipeline
Construction & Field Erection
Maintenance & Repair
Offshore
Oil & Gas
Power Generation
Shipbuilding
Structural Fabrication
Structural Welding