- Built-in air compressor — no external compressor required. The Tomahawk 375 Air is Lincoln Electric's only plasma cutter with an integrated internal air compressor. Plug into a standard 120 V outlet, connect the torch, and start cutting in seconds. No compressor rental, no air lines, no setup delay — ideal for field service, remote job sites, and shops without compressed air infrastructure.
- Factory demo pricing: 15–25% below MAP on a certified Lincoln unit. This U2806-1 unit was used exclusively for Lincoln Electric's authorized demonstration program — trade shows, dealer evaluations, and distributor training events. Minimal arc-on time. It ships from WeldingMart in 1–3 business days with a full Lincoln Electric factory warranty.
- Touch Start technology eliminates pilot-arc consumable wear. The Tomahawk 375 Air uses Touch Start arc initiation — the torch contacts the workpiece briefly before arc start, eliminating the high-frequency pilot arc that degrades nozzle and electrode life on conventional plasma cutters. Consumable life extends significantly in start-heavy applications like HVAC duct work, automotive panel trimming, and sheet metal fabrication.
- Continuous output control for precision cutting on any gauge. A continuously variable output dial lets the operator fine-tune amperage from low to full output — matching arc energy precisely to material thickness. Thin 16-gauge sheet metal cuts clean at reduced power; thicker plate runs at full amperage without overheating the workpiece or distorting thin flanges.
- Compact and portable at under 20 lbs. At 19 lbs with the compressor built in, the Tomahawk 375 Air is among the most portable plasma cutting systems available for its output class. Carry it by hand, store it in a truck bed, or position it anywhere near a 120 V circuit — no cart, no separate compressor unit to move.
| SKU / Model | U2806-1 (Factory Demo / Refurbished) |
| Clean Severance Cut | 3/8 in (9.5 mm) mild steel |
| Maximum Severance Cut | 5/8 in (15.9 mm) mild steel |
| Output Current Range | 12–27 A (continuously variable) |
| Rated Output | 27 A @ 92 VDC |
| Duty Cycle | 35% @ 27 A (120 V) / 60% @ 20 A (120 V) |
| Input Voltage | 120 V AC, 1-Phase, 50/60 Hz |
| Input Current (rated) | 20 A @ 120 V |
| Air Compressor | Integrated — no external compressor required |
| Air Pressure (internal) | Automatically regulated — 60–70 PSI at torch |
| Arc Initiation | Touch Start — no high-frequency pilot arc |
| Torch Included | LC25 Handheld Plasma Torch, 10 ft (3 m) |
| Net Weight | 19 lbs (8.6 kg) |
| Dimensions (H×W×D) | 10.0 in × 6.1 in × 17.8 in (254 × 155 × 452 mm) |
| Warranty | 3 Years — full Lincoln Electric factory warranty |
| Condition | Factory Demo — Lincoln Electric certified, minimal arc-on time |
- Tomahawk 375 Air Power Source with integrated air compressor
- LC25 Handheld Plasma Torch, 10 ft (3 m)
- Work cable and clamp
- Power cord with 120 V plug
- Consumable kit (electrode, nozzle, retaining cap, swirl ring)
- Operator's manual and factory warranty card
The Tomahawk 375 Air's LC25 torch system and compact form factor pair with these WeldingMart accessories:
- Replacement Plasma Torches — LC25 handheld torch assemblies in 10 ft and 20 ft lengths; flexible-neck LC25 torch bodies for tight-access cutting applications
- Plasma Consumables — Lincoln Tomahawk LC25/LC30 electrodes (KP2842-1), nozzles 25 A (KP2842-2), retaining caps (KP2842-3), swirl rings (KP2842-4), and drag spacers (KP2842-5) for the 375 Air torch system
- Plasma Cutter Air Compressors — portable pancake and hot-dog compressors for step-up to higher-amperage plasma systems; useful when upgrading from the internal-compressor 375 Air to a larger Tomahawk model
- Welding Accessories — cutting guides, circle-cutting attachments (Lincoln K2886-1 Tomahawk circle-cutting guide), drag shields, and safety glasses for plasma operations
The Tomahawk 375 Air's self-contained design and 120 V input make it an unusually flexible tool for professional tradespeople and skilled hobbyists:
- HVAC fabrication and ductwork. Sheet metal contractors rely on the 375 Air for quick, burr-free cuts on 22–16 gauge galvanized and stainless duct panels. Touch Start initiation produces clean starts without cratering thin sheet at the arc ignition point — a common problem with conventional high-frequency plasma starters. The compact unit fits inside duct sections for in-situ cuts during installation.
- Automotive restoration and panel work. Cutting thin 18–20 gauge steel and aluminum body panels with a plasma cutter vs. a grinder eliminates grinding heat distortion and reduces kerf width. The 375 Air at reduced amperage severs floor pans, rocker panels, and quarter panels with minimal heat-affected zone — protecting surrounding paint and body filler during restoration projects.
- Farm and ranch maintenance. Broken implement brackets, rusted trailer frames, and damaged irrigation hardware respond to plasma cutting faster than grinders or oxy-fuel setups. The 375 Air's 120 V input and integrated compressor mean it runs from any barn outlet or generator without a separate compressor — critical for mid-field equipment repairs.
- Plumbing, electrical, and mechanical contractors. Cutting structural steel, rebar, and threaded rod on job sites requires a tool that's ready in seconds. The Tomahawk 375 Air stows in a service van, runs from a job site power panel at 120 V, and cuts 3/8 in mild steel cleanly without burning attachments or heating the surrounding area as flame cutting does.
- Art, sculpture, and custom fabrication. Plasma cutting's narrow kerf and low dross enable detailed cuts in mild steel, stainless, and aluminum for decorative metalwork, garden sculpture, custom signage, and architectural metal art. The 375 Air's variable output dial allows precise energy control for delicate freehand cutting at low amperages on thin material.
Correct. The 375 Air houses a fully integrated air compressor inside the same enclosure as the plasma inverter. Connect the unit to a 120 V outlet, connect the torch and work clamp, press the power switch, and cut. There is no airline fitting, no external compressor, and no air pressure adjustment required — the internal compressor is factory-calibrated to maintain 60–70 PSI at the torch head.
Clean severance (production-quality edge, minimal dross) up to 3/8 in (9.5 mm) mild steel. Maximum severance (single pass through the material, edge cleanup required) up to 5/8 in (15.9 mm). Stainless steel and aluminum cut at slightly reduced thickness vs. mild steel for equivalent edge quality. For regular production cutting of 1/2 in and thicker material, consider the Tomahawk 625 (31–60 A) or Tomahawk 1000 (up to 80 A).
No. A factory demo unit has been used exclusively for Lincoln Electric's authorized demonstration program — dealer events, trade shows, and distributor training. It has not been used for production cutting, job site work, or personal projects. It carries minimal arc-on time. Lincoln refurbishes demo units to factory tolerances at a certified service center and issues the same 3-year warranty as a new unit. A "used welder" is typically a production-return — the condition, warranty, and service history are not equivalent.
The rated input current is 20 A at 120 V, which requires a 20 A circuit breaker and 20 A outlet (NEMA 5-20). On a 15 A circuit, the breaker may trip at full output. For best results, plug into a dedicated 20 A circuit. The unit will operate at reduced amperage on a 15 A circuit, which is adequate for light-gauge sheet metal cutting at lower power settings.
The 375 Air uses the Lincoln LC25 torch consumable system: electrode (KP2842-1), nozzle 25 A (KP2842-2), retaining cap (KP2842-3), swirl ring (KP2842-4), and drag spacer (KP2842-5). All are available from WeldingMart individually and in multi-pack kits. Touch Start technology significantly extends consumable life vs. conventional high-frequency arc start systems — particularly the nozzle and electrode life in start-heavy applications.
Looking for the brand-new successor model? See the brand-new Lincoln FlexCut 35 Plasma Cutter or browse all plasma cutters and our full demo plasma cutter collection.
The Lincoln Tomahawk 375 Air Factory Demo represents one of the most practical plasma cutting values in the WeldingMart catalog — a self-contained, no-compressor-needed system at factory demo pricing. This inverter-based plasma cutter incorporates a fully integrated air compressor, Lincoln's Touch Start arc initiation technology, and continuously variable output control in a compact 19 lb package that runs on a standard 120 V household circuit.
What separates the Tomahawk 375 Air from conventional plasma cutters is the elimination of external air infrastructure. Every other plasma cutter in this output class requires either a dedicated air compressor (adding 50–80 lbs and $300–$800 to the setup cost) or a compressed air supply. The 375 Air eliminates this requirement entirely — the internal compressor delivers factory-regulated pressure to the torch automatically. This design makes it the default choice for mobile tradespeople, field service contractors, and anyone cutting in a location without existing compressed air infrastructure.
Touch Start arc initiation is Lincoln's alternative to high-frequency pilot arc systems. The torch tip contacts the workpiece momentarily before the arc fires, eliminating the radio-frequency interference of HF ignition and significantly reducing the wear rate of nozzle and electrode consumables. In sheet metal applications where dozens of start-and-stop cuts are made per hour, this translates directly into longer consumable life and lower operating costs.
This U2806-1 unit has been used exclusively for Lincoln Electric's authorized demonstration program, maintained to factory tolerances, and issued a full 3-year manufacturer warranty identical to new Tomahawk 375 Air units. Factory demo pricing reflects condition classification only — not service history, wear condition, or warranty coverage.
- Integrated internal air compressor — no external compressed air required
- 120 V input — runs on any standard 20 A household or job site circuit
- Touch Start arc initiation — no high-frequency pilot arc, extended consumable life
- Continuously variable output control (12–27 A) for precise cut quality adjustment
- Clean severance cut: 3/8 in mild steel; maximum severance: 5/8 in
- LC25 torch system with full consumable availability from WeldingMart
- Compact, lightweight design: 19 lbs total with compressor
- Full 3-year Lincoln Electric factory warranty on this certified demo unit
- Ships from WeldingMart 1–3 business days — no manufacturer lead time
| Input Voltage | 120 V AC, 1-Phase |
| Input Current (rated) | 20 A @ 120 V |
| Input Hertz | 50/60 Hz |
| Output Current Range | 12–27 A |
| Rated Output | 27 A @ 92 VDC |
| Duty Cycle | 35% @ 27 A; 60% @ 20 A |
| Air Supply | Internal compressor (no external air required) |
| Arc Initiation | Touch Start (contact start) |
| Clean Cut Capacity | 3/8 in (9.5 mm) mild steel |
| Severance Cut Capacity | 5/8 in (15.9 mm) mild steel |
| Torch | LC25 Handheld, 10 ft (3 m) |
| Net Weight | 19 lbs (8.6 kg) |
| Dimensions (H×W×D) | 10.0 × 6.1 × 17.8 in |
| Warranty | 3 Years |
| Condition | Factory Demo — Lincoln Electric certified |