- Sub-20 lb TIG and Stick capability at demo savings. The Sprinter 180Si delivers 200 A TIG output in a machine that weighs under 20 lbs — lighter than a car battery. Factory demo pricing provides 15–25% savings versus MAP while maintaining the full 3-year Lincoln Electric factory warranty. This is the go-anywhere TIG for field welders, restoration shops, and contractors.
- Dual-voltage: plug into 120 V or 230 V automatically. The Sprinter 180Si detects input voltage and configures output accordingly. On 120 V household power, it delivers up to 110 A TIG and 85 A Stick. On 230 V, the full 200 A TIG and 180 A Stick capability is available. No rewiring, no adapters, no guesswork.
- Ships from WeldingMart's warehouse — no lead time. Available now. New Sprinter 180Si units can carry lead times in tight market conditions. This factory demo is pre-inspected, certified, and ready to ship in 1–3 business days.
| SKU / Model | U5453-1 (Factory Demo) |
| Process | TIG (GTAW), Stick (SMAW) — DC only |
| Polarity | DC (electrode negative for TIG; electrode positive for Stick) |
| Output Range (Stick, 120 V) | 20–85 A |
| Output Range (TIG, 120 V) | 10–110 A |
| Output Range (Stick, 230 V) | 20–180 A |
| Output Range (TIG, 230 V) | 10–200 A |
| Rated Output (Stick, 120 V) | 85 A / 23.2 V @ 40% duty cycle |
| Rated Output (TIG, 120 V) | 110 A / 14.6 V @ 40% duty cycle |
| Rated Output (Stick, 230 V) | 180 A / 26.4 V @ 25% duty cycle |
| Rated Output (TIG, 230 V) | 200 A / 16.4 V @ 25% duty cycle |
| Input Voltage | 120 / 230 V, 1-Phase, 60 Hz |
| Input Current (Max) | 120 V: 22 A; 230 V: 29 A |
| OCV | Average 65 V; Peak 110 V; VRD Peak 14 V |
| Arc Start (TIG) | High-Frequency (HF) — non-contact |
| Pulse TIG Mode | Yes — standard feature |
| Net Weight | 20 lbs / 9.1 kg |
| Dimensions (H×W×D) | 11.8 in × 6.25 in × 16 in (299.7 × 158.8 × 406.4 mm) |
| Warranty | 3 Years — full factory warranty |
| Condition | Factory Demo / Reconditioned — Lincoln Electric certified |
- Sprinter 180Si Power Source
- TIG Torch with cable assembly
- Gas Regulator / Flowmeter
- Work Cable & Clamp
- Electrode Holder & Cable
- Ergonomic carry handle and included shoulder strap
- Input Power Cord (120 V and 230 V configurations)
The Sprinter 180Si's compact form factor pairs well with lightweight, portable accessories from WeldingMart:
- Compact Air-Cooled TIG Torches — 150 A-rated PTA-17 torches with flexible necks for positional and out-of-position welding; 12.5 ft cables for field use
- TIG Filler Rod — ER70S-2 carbon steel; ER308L stainless; ERTi-2 titanium for DC TIG applications; 1 lb precision packs for field kits
- Portable Argon Regulators — compact single-stage CGA-580 flowmeters compatible with small argon cylinders; lightweight for field carry
- TIG Consumables — 1/16 in and 3/32 in ceriated tungsten; mini-collet kits for PTA-17 torches; small ceramic cups for tight-access work
The Sprinter 180Si is built for professional mobility — applications where precision TIG capability must go where larger machines cannot:
- Field service & maintenance welding. At under 20 lbs with a shoulder strap, the Sprinter 180Si goes up scaffolding, into pipe racks, onto offshore platforms, and into cramped industrial maintenance environments. HF arc start enables precise TIG initiation in positions where a touch-start would contaminate the tungsten.
- Automotive restoration & custom fabrication. DC TIG at 10–200 A handles thin sheet metal patch panels, 4130 chromoly fabrication, and stainless exhaust work. Pulse mode reduces heat input on thin steel to prevent distortion and burn-through. The 120 V input means it runs in garages and bodyshops without a dedicated 240 V circuit.
- Aerospace maintenance & structural repair. HF TIG start on DC delivers non-contact arc initiation essential for titanium structural repairs where tungsten inclusions are cause for rejection. 10 A minimum output handles thin-gauge skins and brackets requiring precision fusion without excess heat.
- Stick welding in the field — E6010, E6011, E7018. Two dedicated stick modes: crisp arc for demanding E6010 and E6011 pipeline and structural applications; soft arc for dependable E7018 low-hydrogen starts. At 180 A on 230 V, it handles 5/32 in rods for structural field repairs.
- Generator-powered remote welding. The Sprinter 180Si's 120 V compatibility allows operation from standard contractor generators — critical for pipeline, oil & gas, and remote infrastructure repairs where no grid power is available.
The U5453-1 is a Lincoln Electric factory demo unit — manufactured to full production specification, used for authorized trade show demonstrations or distributor evaluations, then returned to Lincoln's certified refurbishment center. Inspected, tested to factory tolerances, and issued with a full 3-year manufacturer warranty. Not a customer-returned or shop-used machine.
No. The Sprinter 180Si is a DC-only TIG and Stick machine. TIG welding aluminum requires AC output (to break the aluminum oxide layer), which this machine does not provide. For AC/DC aluminum TIG in a lightweight format, see the Square Wave TIG 200 (46.5 lbs, AC/DC, 120/230 V). The Sprinter 180Si excels on steel, stainless, titanium, and chrome-moly.
High-Frequency (HF) arc start — non-contact. The tungsten never touches the work piece. This prevents tungsten contamination, eliminates tungsten inclusions in the weld, and enables precise arc placement on thin and critical materials. Especially important for titanium, thin stainless, and aerospace structural repair work.
Yes. On 120 V, the Sprinter 180Si draws up to 22 A at peak output, so a dedicated 20 A circuit (with a 25 A breaker) is recommended for full 110 A TIG and 85 A Stick output. On a shared 15 A circuit, limit output to 60 A to avoid tripping breakers. For full 200 A TIG output, connect to 230 V service.
Electrically and mechanically identical — same DC TIG and Stick output range, same HF arc start, same pulse TIG mode, same dual-voltage input, same weight, and the same 3-year Lincoln Electric factory warranty. The U5453-1 may show minor cosmetic marks from trade-show handling. Price difference is typically 15–25% below current MAP of the new K5453-1.
Looking for the brand-new version? See brand-new Sprinter 180Si or browse all Lincoln TIG Welders and our full used TIG welders collection.
The Lincoln Sprinter 180Si represents a remarkable achievement in portable welding technology, delivering exceptional performance and versatility in an incredibly compact package. Weighing less than 20 pounds, this lightweight powerhouse offers a substantial 180-amp output capacity that enables welding with electrodes up to 5/32 inches, including demanding 7018 and 6010 varieties. What truly distinguishes the Sprinter 180Si is its comprehensive multi-process capability, combining superior stick welding performance with advanced TIG functionality including high-frequency starting, pulse mode, and full amptrol compatibility.
Engineered for maximum flexibility across diverse applications, the Sprinter 180Si features dual input voltage capability (120V/230V) that allows seamless connection to any common power supply without manual reconfiguration. The system's intuitive interface simplifies setup with clearly displayed parameters, enabling users to quickly dial in optimal settings for any job. The specialized stick welding modes further enhance versatility, with a crisp arc setting providing superior performance on E6010 and E6011 electrodes, while the soft arc mode ensures dependable E7018 arc starting characteristics.
Despite its compact dimensions, the Sprinter 180Si incorporates advanced features typically found only in larger, more expensive machines. The high-frequency TIG start capability ensures precise arc initiation without tungsten contamination, while the pulsed TIG mode provides enhanced heat management and control for thin, precise welds. The system's exceptional portability is complemented by thoughtful design elements including an ergonomic handle and included shoulder strap, making it ideal for maintenance work, light fabrication, structural applications, and field repairs where mobility is essential. This factory demo unit offers an exceptional opportunity to acquire Lincoln's advanced portable welding technology at enhanced value.
- Dual Input Voltage - 120V and 230V inputs so you can plug into any common power supply.
- Multi-Process Capable - Welds DC Stick and DC TIG.
- Two Stick Modes - Crisp arc allows for greater welding versatility and superior performance on E6010 and E6011 electrodes while soft arc allows for dependable E7018 arc starting.
- Pulsed TIG Mode - Provides heat management and enhanced control when making thin, precise welds.
- High Frequency Start - Strike a precise arc every time while TIG welding
- Lightweight Portability - This durable machine weighs under 20 lbs. and is easy to carry with its ergonomic handle or included shoulder strap.
| Phase 1: Input Voltage #1 (Voltage/Phase/Hertz) | 120/1/60 |
| Phase 1: Rated Output #1A (Current/Voltage/Duty Cycle) | Stick 85A/23.2V/40% |
| Phase 1: Rated Output #1B (Current/Voltage/Duty Cycle) | TIG 110A/14.6V/40% |
| Phase 1: Input Current at Max Rated Ouput #1 (Current) | 22A |
| Phase 1: Input Voltage #2 (Voltage/Phase/Hertz) | 230/1/60 |
| Phase 1: Rated Output #2A (Current/Voltage/Duty Cycle) | Stick 180A/26.4V/25% |
| Phase 1: Rated Output #2B (Current/Voltage/Duty Cycle) | TIG 200A/16.4V/25% |
| Phase 1: Input Current at MAX Rated Output #2 (Current) | 29A |
| Dimensions (H x W x D) | 11.8 in x 6.25 in x 16 in (299.7 mm x 158.8 mm x 406.4 mm) |
| Net Weight | 20 lbs (9.1 kg) |
| Machines Processes | Stick (SMAW) TIG (GTAW) |
| Open Circuit Voltage | Average OCV - 65V Peak OCV - 110V VRD OCV (Peak) - 14V |
| Number of Operators per Machine | 1 |
| Input Voltage | 120/230 |
| Input Hertz | 60 |
| Input Phase | 1 |
| Input Power | 120/230/1/60 |
| Mode Icon | CC |
| Output Range | SMAW 120V: 20-85A 230V: 20-180A GTAW 120V: 10-110A 230V: 00-200A MAX OCV 110V |
| Polarity | DC |
| IEC Rating | IP21S |
| Output Range by Mode | Stick 20A-180A TIG 10A-200A |
| Machines Communication Technology | analog |
| Work Lead Connector Type | Dinse |
| UI type | Simple |
| Typical Application | Construction Brewery Distillery General Fabrication Maintenance & Repair Repair Welding Shipbuilding Structural Welding |
| Warranty | 3 Years |