Transform your jobsite productivity with the Lincoln Ranger 305 G EFI - the ultimate portable welding station engineered for professional welders who demand versatility and performance in challenging environments. This powerful engine-driven welder delivers exceptional multi-process capabilities including stick welding, downhill pipe welding, Touch Start TIG, MIG, and flux-cored wire applications, making it the ideal solution for construction sites, maintenance operations, and field repairs. The advanced Electronic Fuel Injection (EFI) system ensures reliable cold-weather starting without choke adjustments while significantly reducing fuel consumption compared to standard carbureted models.
The Ranger 305 G EFI features industry-leading digital weld meters that provide precise amperage and voltage monitoring for exceptional weld quality control. With its robust 12-gallon fuel capacity, this professional-grade welder delivers extended runtime between refueling, maximizing productivity on remote jobsites. The integrated electric fuel pump technology effectively prevents vapor lock during high-altitude operation, ensuring consistent performance regardless of working conditions. Experience unmatched welding versatility and generator power in a single compact unit designed for the most demanding welding professionals.
Powered by a premium Kohler 25 HP EFI gasoline engine, the Ranger 305 G EFI sets new standards for engine-driven welder performance and efficiency. The Electronic Fuel Injection system provides instant cold-weather starting without choke adjustments while delivering up to 15% fuel savings compared to conventional carbureted engines. The electric fuel pump ensures reliable operation at high altitudes, eliminating vapor lock issues common in mountainous environments. This advanced engine technology combines with Lincoln Electric's legendary welding performance to create the most versatile portable welding power source available for professional contractors, pipeline operations, and maintenance crews.
The Ranger 305 G EFI stands alone as North America's only compact gasoline welder rated at 29V for 300 amps of stick or CV welding capability. This exceptional multi-process performance supports general purpose stick welding, downhill pipe applications, TIG welding, and wire feed processes including MIG with both CO2 and mixed gas shielding. The system accommodates CV wire welding with electrodes up to 5/64 inch (2.0 mm) diameter, providing the versatility needed for diverse welding applications across construction, fabrication, and repair environments. Lincoln Electric's proprietary Chopper Technology delivers superior arc characteristics with easy starts, smooth arc action, minimal spatter, and optimal bead appearance across all welding processes.
Beyond its exceptional welding capabilities, the Ranger 305 G EFI functions as a powerful AC generator with 12,000 watts peak and 9,500 watts continuous output, making it the ideal power source for job site tools, equipment, and auxiliary welding systems. The consistent 120V/240V AC power remains stable regardless of welding output settings, providing reliable electricity for running lights, grinders, drills, and even Lincoln Electric Invertec inverter welders for expanded process capabilities. With its rugged construction and components rated for operation in extreme 104°F (40°C) environments, the Ranger 305 G EFI delivers the dependable performance, versatility, and durability that professional welders demand for challenging field applications.
- Kohler Gasoline Engine - 25 HP EFI (Electronic Fuel Injection) for easier starts in cold weather and lower fuel use!
- Multi-Process Welding - Excellent DC multi-process welding for general purpose stick, downhill pipe (stick), TIG, cored-wire, MIG (CO2 and mixed gas) and arc gouging.
- Digital Weld Meters - makes it easy to precisely pre-set Your procedures and monitor actual welding output.
- Superior Arc Performance - Lincoln Chopper Technology provides easy starts, a smooth arc, low spatter and excellent bead appearance.
| Dimensions (H x W x D) | 30 in x 21.5 in x 42.3 in (762 mm x 546 mm x 1073 mm) |
| Net Weight | 510 lbs (231 kg) |
| Machines Processes | Stick (SMAW) Gouging (CAC-A) TIG (GTAW) MIG (GMAW) Flux-Cored Self-Shielded (FCAW-S) Flux-Cored Gas-Shielded (FCAW-G) |
| Max Rating | 305A / 29V / 100% @ 104°F (40°C) |
| Output Range by Mode | CC-Stick: 20– 305 A Downhill Pipe (CC): 40-300 A Touch Start TIG: 20 – 250 A CV-Wire: 14 – 29 V Arc Gouging: 90 – 300 A |
| Rated Gouging Carbon Diameter | 5/32 in (4.0 mm) |
| Single Phase Auxiliary Output | 9,500 Watts Continuous, 120/240V |
| Auxiliary Output Frequency | 60 Hz |
| Receptacle Types | NEMA 5-20R NEMA 14-50R |
| Engine Brand & Model | Kohler OHV Command ECH740 |
| Engine Description | 2 Cylinder Air-Cooled Gasoline Engine |
| Engine Horsepower | 25 HP |
| High Idle Operating Speed @ Rated Output | 3600 |
| Fuel Tank Size (US gal.) | 12 |
| Fuel Tank Size (L) | 45.4 |
| Oil Capacity (qts.) | 2.0 |
| Oil Capacity (L) | 1.9 |
| Typical Application | Construction Construction & Field Erection General Fabrication Maintenance & Repair Repair Welding Structural Fabrication Structural Welding |
| Warranty | 3 Years Parts and Labor - Engine warranted separately by engine manufacturer |
Frequently Asked Questions
Lincoln lists the welding processes for the Ranger 305G EFI as: Stick, TIG, MIG, Flux-Cored. Lincoln lists the welding modes as CC-Stick, downhill Pipe, Touch Start TIG and CV-Wire. Source: Lincoln spec sheet E6.117.
Yes. Lincoln publishes the auxiliary AC generator output for the Ranger 305G EFI as: single-phase 12,000 Watts Peak EFI / 9,500 Watts Continuous (60 Hz Single Phase). Lincoln publishes these receptacles for this machine:
- Four 120V Receptacles — 120V, 40A@ 120V ea. Branch Circuit; 20A per Duplex, 40A Total, NEMA 5-20R
- Full KVA Receptacle — 120/240V, 40A@ 240V, NEMA 14-50R
- Wire Feeder Power — 42V, 60 Hz / 120V, 60 Hz, 15 Amps (42V) / 20 Amps (120V), NEMA type not stated by Lincoln
Source: Lincoln spec sheet E6.117.
The Ranger 305G EFI on this listing is powered by a Kohler OHV Command ECH740, Electronic Fuel Injection gasoline engine, 25 HP @ 3600 RPM. Kohler engines in this line are gasoline or LP-Gas — there is no Kohler diesel in the Lincoln engine-drive range. Lincoln’s current engine-warranty document brands Kohler as Rehlko (formerly Kohler). Source: Lincoln spec sheet E6.117.
Duty cycle varies by output setting. Lincoln publishes 100% duty cycle at every rated output on the Ranger 305 G EFI, including its maximum 305 A / 29 V DC CC point, with welding and AC generator outputs rated at 104°F (40°C).
| Welding process / output mode | Rating basis | Amperes | Volts | Duty cycle | As printed by Lincoln |
|---|---|---|---|---|---|
| DC Constant Current | NOT LABELLED (CC/Pipe Rated Output column) | 305A | 29V | 100% | 305A/29V/100% |
| DC Pipe Current | NOT LABELLED (CC/Pipe Rated Output column) | 300A | 29V | 100% | 300A/29V/100% |
| Touch Start TIG | NOT LABELLED (CC/Pipe Rated Output column) | 250A | 30V | 100% | 250A/30V/100% |
| DC Constant Voltage | NOT LABELLED (CV-Rated Output column) | 300A | 29V | 100% | 300A/29V/100% |
| Mode / parameter | Range |
|---|---|
| DC Constant Current | 20-305A |
| DC Pipe Current | 40-300A |
| Touch Start TIG | 20-250 A |
| DC Constant Voltage | 14-29 V |
| Output Range (Product Specifications) | 20-305A DC / 40-300A Pipe / 20-250A DC TIG / 14-29V CV |
| Open circuit voltage | All Models Single Dial Continuous Control; 60V DC Max OCV @ 3700 RPM |
| Rated ambient temperature | "Welding and AC Generator Outputs rated at 104°F (40°C)." |
| Specification | As printed by Lincoln |
|---|---|
| Peak / surge output | 12,000 Watts Peak EFI |
| Continuous output | 9,500 Watts Continuous |
| Single-phase | 12,000 Watts Peak EFI / 9,500 Watts Continuous |
| Three-phase | NONE PRESENT (single-phase machine) |
| Frequency / phase | 60 Hz Single Phase |
| Receptacle | Voltage | Amperage | NEMA type |
|---|---|---|---|
| Four 120V Receptacles | 120V | 40A@ 120V ea. Branch Circuit; 20A per Duplex, 40A Total | NEMA 5-20R |
| Full KVA Receptacle | 120/240V | 40A@ 240V | NEMA 14-50R |
| Wire Feeder Power | 42V, 60 Hz / 120V, 60 Hz | 15 Amps (42V) / 20 Amps (120V) | NOT STATED |
Source: Lincoln Electric publication E6.117 (Issue Date 01/21) — view the Lincoln spec sheet PDF. Figures are Lincoln's own; “NOT STATED” means Lincoln does not publish that value for this machine.
Yes — this is a factory demo or low-hour unit directly from Lincoln Electric. Units may show light cosmetic marks from display use but are mechanically sound. The warranty on this unit is the same as on a new machine. Lincoln’s Industrial Limited Warranty (form IMWS1, Apr-2026) lists a 3-year warranty period for “All Lincoln welding machines, wirefeeders & plasma cutting machines”, and Lincoln states: “Lincoln will assume both the parts and labor expense of correcting defects during the warranty period.” As on a new machine, the engine is not covered by Lincoln’s warranty — Lincoln states: “All engines and engine accessories are warranted by the engine or engine accessory manufacturer and are not covered by this warranty.” This machine’s Kohler OHV Command ECH740 engine is warranted by Rehlko (formerly Kohler): “Three Years”, and that term “BEGINS ON DATE OF PURCHASE BY END USER.” Lincoln footnotes the Rehlko (formerly Kohler) three-year term “First owner only.” Lincoln directs buyers to the engine maker — WWW.ENGINES.REHLKO.COM / 1-800-544-2444 Rehlko Service Department. See Lincoln Engine Drive Motors Warranty Contacts. Source: Lincoln Electric Industrial Limited Warranty (form IMWS1, Apr-2026).
This factory demo unit is supplied as the machine only, verified directly by WeldingMart’s owner. Lincoln’s English product page for K3928-1 is retired (404), so Lincoln publishes no included-items list for this product number. Not included: welding leads (electrode and work cable), electrode holder, work clamp, and accessory kits. No printed operator’s manual, WeldingMart demo-prep certification document or Lincoln warranty registration paperwork ships with the machine. Consumables (electrodes, gas cylinders) are not included. Leads, holders, clamps, cable connectors, undercarriages, spark arrestors, remote controls and wire feeders are sold separately — contact WeldingMart and we will quote the exact set you need.