# ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter: specs and price compared

A sourced, side-by-side comparison of the ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter (ESAB) and YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter (YesWelder) among plasma cutters. YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter is the cheaper of the two at $309.

## Side by side

| Spec | ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter | YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter |
| --- | --- | --- |
| US price | $1734 | $309 |
| Brand | ESAB | YesWelder |
| Cutting amperage (A) | 40 | 55 |
| Rated cut thickness | 1/2 in (12mm) | 3/8 in (10mm) @ 220V, 5/16 in (8mm) @ 110V |
| Sever cut thickness | 1 in (25mm) | 3/4 in (18mm) @ 220V, 9/16 in (14mm) @ 110V |
| Duty cycle at rated amps | 40% @ 40A, 60% @ 30A, 100% @ 20A | 60% @ 55A/220V, 100% @ 42A/220V; 60% @ 35A/110V, 100% @ 27A/110V |
| Input voltage | 110-240V, 1-PH, auto-sensing | 110V/220V ±10% |
| Pilot arc | Yes | Yes |
| Air requirement | 300-500 cfh (5-8.3 CFM) @ 90-125 psi | 6.0 CFM max; 55-70 psi @ 220V, 50-60 psi @ 110V |
| Weight (lb) | 22 | 14.48 |

## Key differences

- Cutting amperage (A): ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 40 vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 55
- Rated cut thickness: ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 1/2 in (12mm) vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 3/8 in (10mm) @ 220V, 5/16 in (8mm) @ 110V
- Sever cut thickness: ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 1 in (25mm) vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 3/4 in (18mm) @ 220V, 9/16 in (14mm) @ 110V
- Duty cycle at rated amps: ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 40% @ 40A, 60% @ 30A, 100% @ 20A vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 60% @ 55A/220V, 100% @ 42A/220V; 60% @ 35A/110V, 100% @ 27A/110V
- Input voltage: ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 110-240V, 1-PH, auto-sensing vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 110V/220V ±10%
- Air requirement: ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 300-500 cfh (5-8.3 CFM) @ 90-125 psi vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 6.0 CFM max; 55-70 psi @ 220V, 50-60 psi @ 110V
- Weight (lb): ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter 22 vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter 14.48

## Sources

- ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter: https://store.cyberweld.com/products/thermal-dynamics-cutmaster-40-plasma-cutter-1-4000-1 (store.cyberweld.com, verified 2026-08-11)
- YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter: https://yeswelder.com/products/pilot-arc-plasma-cutter (yeswelder.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/plasma-cutters/esab-cutmaster-40-vs-yeswelder-cut-55ds-plus/
Cite: Per The Front Desk Review, ESAB (Thermal Dynamics) Cutmaster 40 Plasma Cutter ($1734) vs YesWelder CUT-55DS PLUS Pilot Arc Plasma Cutter ($309) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/plasma-cutters/esab-cutmaster-40-vs-yeswelder-cut-55ds-plus/
License: CC BY 4.0.