Multi-process welder · Observed pricing · DIY / home workshop

UNIMIG Viper Multi 135

Observed in Australia$399
Category typical$400–$1,300
SourceSydney Tools

Observed August 2026 from a live Australian listing — not RRP. Prices move; quotes often beat stickers.

What it is

A 135 A machine in the multi-process welder category. One machine, MIG + TIG + stick: from $219 compact units to $4,000 AC/DC flagships with pulse. The value densest band is $400–$1,300.

Our observation notes

perennial best-value pick

Quick specs

  • Process: 135 A
  • Power: Standard 10A household power point
  • Gas: Argon/CO₂ mix (steel) or pure argon (aluminium)
  • Best for: DIY / home workshop

Running costs

Consumables: Category-specific consumables. These are recurring costs — budget for them alongside the purchase price.

Gas: check our complete gas buying guide for bottle sizes, prices, and rent-vs-own analysis.

Buying this machine smart

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130 models tracked · 11 categories · Observed Aug 2026

Get 3 quotes for the UNIMIG Viper Multi 135

Suppliers know they're up against other quotes — and you'll know the observed market range before you talk to any of them.

Observed price range: $219–$3,999 — quotes from suppliers often beat list price.

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The street price, verified

WeldBase tracks this model across Australian retail: median street price $399 across 1 seller , checked 2026-09-02. At $399 observed, this machine sits at the value end of the multi-process welder price spectrum.

What that means for your quote: the median is the market's verdict — suppliers competing for your job typically land at or under it. If a quote comes in well above $399, ask why or ask the next supplier.

The honest read

  • UNIMIG’s exact model code is U11005K for the Viper Multi 135; it is a 240V single-phase, 10A-plug, 3-in-1 MIG/TIG/Stick welder sold in the Australian market
  • The verified current Australian shelf price observed in 2026 is $399 AUD at Kennedy’s
  • The UNIMIG Viper Multi 135 is broadly seen as a good-value hobby/home-use 3-in-1 welder in Australia, with praise centered on its low entry price, 10A plug convenience, and compact size.

From our verification program — manufacturer documentation, live retail data, community sources. Checked 2026-09-02.