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Used Lincoln Ranger 305G — Low Hour Factory Demo Machine - U1726-5

SKU: U1726-5

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$8,235.00 $10,323.00
Full New Factory Warranty Same warranty as a brand-new unit — backed by Lincoln Electric.

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Overview
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Lincoln Ranger 305G Low Hour Factory Demo Machine - U1726-5
Compare to New Ranger 305 G - K1726-5
Full 3 Year Factory Warranty

A WELDER FOR ALL SEASONS - Make the Ranger 305 G your portable welding station for general stick and downhill pipe, Touch Start™ TIG, MIG, and flux-cored wire capability. The 9,500 watt continuous single-phase AC generator powers motors starting, tools and inverter welders for extended range and process capability.

The Ranger 305 G features digital weld meters that monitor actual welding output, making it easy to precisely pre-set your procedures and track performance in real-time. With a generous 12-gallon fuel capacity, the unit allows for extended operation on job sites without frequent refueling interruptions. The electric fuel pump helps avoid vapor lock during high-altitude operation, ensuring reliable performance in challenging environments. Powered by a robust 23 HP Kohler carburetor gasoline engine, the Ranger 305 G delivers excellent DC multi-process welding capabilities for general purpose stick, downhill pipe welding, TIG, cored-wire, and MIG applications using CO2 and mixed gas. This is the only compact gasoline welder in North America rated at 29V for 300 amps of stick or CV welding, providing exceptional power in a portable package.

The Ranger 305 G incorporates Lincoln Electric's proven Chopper Technology® which provides easy starts, a smooth arc, low spatter, and optimal bead appearance for superior welding results. Beyond welding capabilities, the unit serves as a powerful generator with 10,500 watts peak single-phase AC generator power and 9,500 watts continuous output for high capacity needs such as back-up power generation or operating Lincoln Electric Invertec® inverter welders. The AC generator maintains constant voltage at 120V or 240V at any weld dial setting, providing clean power for lights, grinders, and other power tools. The innovative skewed rotor design provides AC power suitable for operating Lincoln Electric inverter power sources - a feature Lincoln Electric pioneered in the welding industry. Built for rugged reliability, both welding and AC generator outputs are rated for operation at 104°F (40°C), ensuring dependable performance in extreme conditions. The Ranger 305 G represents the perfect balance of portability, power, and versatility for contractors, pipeline welders, maintenance crews, and fabricators who need a reliable all-season welding solution for remote locations and demanding applications.

Features

  • Kohler Gasoline Engine: 23 HP carburetor engine with electric fuel pump to avoid vapor lock at high altitude
  • Multi-Process Welding: Excellent DC welding for stick, downhill pipe, TIG, cored-wire, MIG, and arc gouging
  • Digital Weld Meters: Monitor actual welding output and precisely pre-set procedures
  • Superior Arc Performance: Lincoln Chopper Technology® provides easy starts, smooth arc, and low spatter
  • Peak Single-Phase AC Generator Power: 10,500 watts peak, 9,500 watts continuous for motor starting
  • Skewed Rotor Design: AC power suitable for operating Lincoln Electric inverter power sources
  • Only compact gasoline welder in North America rated at 29V for 300 amps
  • 12-gallon fuel capacity for extended operation

Specifications

Product Weights & Dimensions
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)

General Specification
Machines Processes Stick (SMAW)
Gouging (CAC-A)
TIG (GTAW)
MIG (GMAW)
Flux-Cored Self-Shielded (FCAW-S)
Flux-Cored Gas-Shielded (FCAW-G)

Machine Technologies & Connections
Output Range by Mode CC-Stick: 20 – 305 A
Downhill Pipe (CC): 40-300 A
Touch Start TIG: 20 – 250 A
CV-Wire: 14 – 32 V
Arc Gouging: 90 – 300 A
Rated Gouging Carbon Diameter 5/32 in (4.0 mm)

Engine Driven Welders
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 CH730
Engine Description 2 Cylinder Air-Cooled Gasoline Engine
Engine Horsepower 23 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

Application
Typical Application Construction
Construction & Field Erection
General Fabrication
Maintenance & Repair
Piping
Process Piping
Repair Welding
Structural Fabrication
Structural Welding

Warranty
Warranty 3 Years Parts and Labor - Engine warranted separately by engine manufacturer
Frequently Asked Questions
What welding processes does the Ranger 305G support?

Lincoln lists the welding processes for the Ranger 305G 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.

Does the Ranger 305G have a generator output for powering tools?

Yes. Lincoln publishes the auxiliary AC generator output for the Ranger 305G as: single-phase 10,500 Watts Peak / 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.

What engine powers the Ranger 305G?

The Ranger 305G on this listing is powered by a Kohler OHV Command CH730 gasoline engine, 23 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.

What is the duty cycle rating?

Duty cycle varies by output setting. Lincoln publishes 100% duty cycle at every rated output on the Ranger 305 G, including its maximum 305 A / 29 V DC CC point, with welding and AC generator outputs rated at 104°F (40°C).

Rated welding output and duty cycle — Ranger 305 G (K1726-5), Lincoln spec sheet E6.117
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%
Output range — as printed by Lincoln
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)."
Auxiliary (AC generator) power — Ranger 305 G (K1726-5), Lincoln spec sheet E6.117
Specification As printed by Lincoln
Peak / surge output 10,500 Watts Peak
Continuous output 9,500 Watts Continuous
Single-phase 10,500 Watts Peak / 9,500 Watts Continuous
Three-phase NONE PRESENT (single-phase machine)
Frequency / phase 60 Hz Single Phase
Auxiliary receptacles — as printed by Lincoln
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.

Is this a factory demo or refurbished unit?

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 CH730 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).

What does this unit come with?

This factory demo unit is supplied as the machine only, verified directly by WeldingMart’s owner. Lincoln’s English product page for K1726-5 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.

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