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Miller Spectrum 625 X-TREME™ 12-ft. XT40 Quick Connect Plasma Cutter - 907579


The Miller Spectrum 625 X-Treme 907579 Powerful 40 amps cuts up to 5/8 inch mild steel and weighs only 21 lbs. X-CASE provides ultimate protection during transport and storage.


Gtin 715959589185 SKU: 907579 Categories: , , , Tags: ,

Miller Spectrum 625 X-TREME Plasma Cutter w/12 Foot XT40 Torch 907579


Miller Spectrum 625 X-TREME Plasma Cutter – Powerhouse in Cutting and Gouging

Welcome to the world of precision cutting and gouging with the Miller Spectrum 625 X-TREME Plasma Cutter. Issued in October 2019, this powerhouse is designed for industrial applications like maintenance, light construction, prototyping, body shops, and fabrication. Let’s delve into the key features and specifications that make this tool stand out.

Key Features

X-TREME Versatility

The Auto-Line™ circuitry seamlessly connects to 120–240 V, single-phase power, adapting to various input voltages without internal changes. Experience reduced user fatigue with automatically adjusted output amperage for 120 V input.

X-TREME Protection

The X-CASE™ provides ultimate protection, accommodating MVP™ adapters, consumables, gloves, and eye protection. Weighing just 21 pounds, its shoulder strap ensures easy portability.

X-TREME Portability

With a mere 21-pound weight, the shoulder strap allows users to move effortlessly from one location to another.

Auto-Refire™ Technology

Say goodbye to manual re-triggering. Auto-Refire™ technology controls the pilot arc when cutting expanded metal or multiple pieces of metal, ensuring maximum power for cutting thicker materials.

LVC™ Line Voltage Compensation

Experience peak performance power under variable conditions, with LVC™ compensating for power fluctuations up to ±15 percent, delivering steady and clean cuts.


  • Input Power: 240 V, 120 V (20 A), 120 V (15 A)
  • Rated Output: 40 A at 140 VDC (60% duty cycle), 27 A at 91 VDC (35% duty cycle)
  • Cutting Capability: Rated at 5/8 in. (16 mm)
  • Net Weight: 21 lb. (9.5 kg) with 12 ft. hand-held torch, 23 lb. (10.4 kg) with 20 ft. hand-held torch


  • Auto postflow optimizes consumable life and eliminates excessive air usage.
  • LED indicators for power, pressure, cup, and temperature enable faster troubleshooting.
  • Automatic air regulation compensates for input pressure variation, ensuring constant torch pressure for optimum cutting performance.

Cutting Capabilities

  • Mild Steel Recommended Cut Speeds at 40 Amps: Varying travel speeds for different thicknesses.
  • Mild Steel Recommended Cut Speeds at 27 Amps: Adjusted speeds for optimal performance.

Accessories and Compatibility

  • Compatible with engine-driven welders, offering complete cutting capability when powered by a generator.
  • MVP™ adapters allow easy connection to 120 or 240 V receptacles without tools.

Ordering Information

  • Spectrum 625 X-TREME with X-CASE™: Choose between 12 ft. or 20 ft. XT40 hand-held torch options.
  • Replacement Torches and Consumables: Find genuine Miller® accessories for ongoing performance.


Experience X-TREME cutting and gouging capabilities with the Miller Spectrum 625 X-TREME Plasma Cutter. Unleash precision, portability, and versatility for your industrial applications. Order now for a reliable, efficient, and durable cutting solution.

PLUS get a $250.00 rebate from Miller® with the purchase of this Miller® Spectrum® 625 X-TREME™ plasma cutter. Rebate form must be submitted online HERE within 30 days of original purchase. Expires 6/30/24.

Earn additional rebates when you purchase additional Miller® branded accessories or Hobart® filler metals.

  • Spectrum 625 X-TREME
  • XT40 hand-held torch with 12-ft. (3.7 m) cable. Torches include a complete set of 40 A consumables
  • Heavy-duty work clamp and flexible cable with quick connect
  • 12-ft. (3.7 m) power cord with 240 V L6-30P twist lock plug for MVP™ adapters
  • MVP™ adapters with 240 V, 50A (6-50P) plug and 120 V, 15 A (5-15P) plug
  • X-CASE™ provides protection during transport and storage
  • Shoulder Strap
  • Consumables box with 2 electrodes, 2 tips (40 A), 1 tip (30 A), drag shield (30 A), deflector, and air fitting


Plasma (PAC)


Title Spectrum® 625 X-TREME™ 12-ft. XT40 Quick Connect
Industries Interests Racing / Customizing / Restoring
DIY / Home Hobbyist
Farm and Ranch
Metal Art / Sculptures
Boat / Yacht
Capability Gouging
Plasma Material Thickness Mild Steel 5/8 in. (15.9 mm) 15 IPM
Stainless Steel 1/2 in. (12.7 mm) 15 IPM
Aluminum 3/8 in. (9.5 mm) 15 IPM
Rated Output at 104 Degrees Fahrenheit 120 (15 A): 20 A at 88 VDC, 60% duty cycle; 120 V (20 A) 27 A at 91 VDC, 35% duty cycle; 240 V: 40 A at 140 VDC, 60% duty cycle
Recommended Generator Power 8000
Input Voltage 110/115/120 V
220/230/240 V
Input Phase 1-Phase
Input Hz 60 Hz
Input Amperage 13.6 A
Net Width 5.5 in
Net Height 9 in
Net Length 13.25 in
Net Weight 21 lbs
Warranty 3 Years
Miller’s True Blue Warranty
Gtin 715959589185 SKU: 907579 Categories: , , , Tags: ,
Weight 21 lbs
Dimensions 13.25 × 5.5 × 9 in