# Everlast PowerMTS 251Si vs PrimeWeld TIG225X: specs and price compared

A sourced, side-by-side comparison of the Everlast PowerMTS 251Si (Everlast) and PrimeWeld TIG225X (PrimeWeld) among welders. PrimeWeld TIG225X is the cheaper of the two at $849.

## Side by side

| Spec | Everlast PowerMTS 251Si | PrimeWeld TIG225X |
| --- | --- | --- |
| US price | $1689 | $849 |
| Brand | Everlast | PrimeWeld |
| Welding processes | MIG;Flux-Core;DC-TIG;Stick | DC-TIG;AC-TIG;Stick |
| Input voltage | 120V/240V | 120V/240V |
| Phase type | single-phase | single-phase |
| Max output amps | 250 | 225 |
| Output range amps | 10-250 | 10-225 |
| Duty cycle percent | 40 | 40 |
| Duty cycle rating amps | 250 | 225 |
| Max steel thickness (in) | — | — |
| Inverter based | Yes | Yes |
| Spool gun capable | Yes | No |
| Weight (lb) | 80 | 41 |

## Key differences

- Welding processes: Everlast PowerMTS 251Si MIG;Flux-Core;DC-TIG;Stick vs PrimeWeld TIG225X DC-TIG;AC-TIG;Stick
- Max output amps: Everlast PowerMTS 251Si 250 vs PrimeWeld TIG225X 225
- Output range amps: Everlast PowerMTS 251Si 10-250 vs PrimeWeld TIG225X 10-225
- Duty cycle rating amps: Everlast PowerMTS 251Si 250 vs PrimeWeld TIG225X 225
- Spool gun capable: Everlast PowerMTS 251Si Yes vs PrimeWeld TIG225X No
- Weight (lb): Everlast PowerMTS 251Si 80 vs PrimeWeld TIG225X 41

## Sources

- Everlast PowerMTS 251Si: http://web.archive.org/web/20191117052305id_/https://www.everlastgenerators.com/product/mig/powermts-251si-tig-package (web.archive.org, verified 2026-07-11)
- PrimeWeld TIG225X: https://primeweld.com/products/tig-225x-ac-dc-tig-welder (primeweld.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/welders/everlast-powermts-251si-vs-primeweld-tig225x/
Cite: Per The Front Desk Review, Everlast PowerMTS 251Si ($1689) vs PrimeWeld TIG225X ($849) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/welders/everlast-powermts-251si-vs-primeweld-tig225x/
License: CC BY 4.0.