Specifications based on Lincoln Electric factory documentation for the Lincoln SP-180T Wire Feeder MIG Welder. Used/demo units are verified to the same performance standards.
| Model | SP-180T |
| Manufacturer Code | K2689-2 |
| Output Amperage Range | 25–180A |
| Duty Cycle | 130A/21.5V/30% |
| Input Voltage | 120V / 230V |
| Phase | Single-phase |
| Wire Diameter Range | .025–.045 in |
| Welding Processes | MIG (GMAW), Flux-Cored (FCAW) |
| Material Thickness Capability | Up to 3/8 in |
| Weight | 66 lbs |
| Warranty (New) | 3 Year Lincoln Electric |
View full specifications and current pricing on the new-version listing: View new Lincoln SP-180T →
The Lincoln SP-180T Wire Feeder MIG Welder is built for MIG, Flux-Cored welding. Its 120V / 230V dual voltage input, 25–180A output range, and 130A/21.5V/30% duty cycle make it the right tool for these applications:
Dual 120V/230V input makes the SP-180T the ideal home shop upgrade — start on the 120V circuit you already have, then upgrade to 230V as your shop grows. Higher output ceiling (180A) handles heavier steel than a 120V-only machine.
25A minimum output and fine wire capability handle thin-gauge body panels without burn-through. The SP-180T's 180A ceiling lets you step up to heavier structural repair and frame work on the same machine.
Equipment repair, implement fabrication, grain bin work, and fencing — the SP-180T's dual voltage and.045 in wire capability cover the range of material thicknesses found on agricultural maintenance jobs.
At 180A with.045 in wire, the SP-180T handles structural steel up to 3/8 in — adequate for small job shop production runs, jig fabrication, and general metal fabrication without stepping up to a larger, more expensive machine.
66 lbs and dual-voltage flexibility make the SP-180T mobile-friendly. Field service technicians running off site power or a generator can use the same machine at 120V or 230V depending on available power.
Welding gun, work cable with clamp, gas regulator/hose, operator manual. Contact WeldingMart to confirm exact accessory configuration of the specific demo unit.
Note: Accessory kit contents on used and demo machines vary by unit. Contact WeldingMart before purchase to confirm the exact configuration of this specific unit. Additional accessories — guns, gas equipment, wire, carts — are available separately.
- WeldingMart operational verification documentation
- Operator manual (original or digital)
The Lincoln SP-180T Wire Feeder MIG Welder carries a 3 Year Lincoln Electric warranty when purchased new. For used and demo units, warranty status depends on the specific unit's age and prior registration history.
Every WeldingMart used/demo unit is backed by our operational verification and satisfaction commitment. If the machine doesn't perform as described upon arrival, contact WeldingMart immediately. We don't ship machines we haven't verified — and we stand behind what we ship.
Contact WeldingMart within 30 days of delivery for any performance concern. Our team will evaluate, troubleshoot, and resolve — whether that means service support, return authorization, or replacement. We prioritize resolution over process friction.
Each used and factory demo unit is one of a kind. Call 877-532-9353 to confirm this unit is still available before ordering. Prefer a new machine? View new Lincoln SP-180T →
Is a used Lincoln SP-180T worth buying?
Yes. The SP-180T is a dual-voltage (120V/230V) step up from Lincoln's entry-level SP-140T, with 180A output and.045 in wire capability. A WeldingMart used/demo unit passes operational verification and delivers the same Lincoln arc quality at a reduced price.
What is the Lincoln SP-180T capable of welding?
MIG (GMAW) and Flux-Cored (FCAW) on mild steel up to 3/8 in. Output range is 25–180A with wire sizes from.025–.045 in. For stainless, aluminum (with spool gun), and heavier structural work, the SP-180T covers most small shop applications.
What is the duty cycle of the Lincoln SP-180T?
130A at 30% duty cycle (21.5V). For fabrication and repair work cycles, this is adequate for most applications. High-output continuous production welding would need a higher duty cycle industrial machine.
Does the Lincoln SP-180T run on 120V?
Yes — dual voltage. On 120V single-phase (20A circuit), output is limited compared to 230V operation. For full 180A capability, a 230V/30A circuit is required.
What wire size does the Lincoln SP-180T accept?
.025–.045 in diameter wire. The.045 in capability is the key differentiator from the SP-140T — it allows heavier structural MIG passes on 3/8 in and thicker material.
What's the difference between the Lincoln SP-140T and SP-180T?
The SP-180T adds dual 120V/230V input, higher output (180A vs 140A), heavier wire capability (.045 in vs.035 in), and capability up to 3/8 in material. If you anticipate any structural work or want the flexibility of 230V shop power, the SP-180T is the better long-term buy.
Does a used Lincoln SP-180T from WeldingMart come with accessories?
Every unit ships with welding gun, work cable, gas regulator/hose, and operator manual. Contact WeldingMart to confirm exact configuration for the specific demo unit — accessory kits on demo machines vary.