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Firepower MST 140i Multi-Process Welder — 115V, 140 Amp, Model# 1444-0870

Item# 47682
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Firepower MST 140i Multi-Process Welder — 115V, 140 Amp, Model# 1444-0870

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Only $599.99
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  • Quick start guide walks you through machine setup in four simple steps
  • Uses 115V AC with 140 Amp maximum output
  • Performs a wide spectrum of tasks
  • Wire diameter range: Mild steel: .023–.030in. (0.6–0.8mm); Stainless steel: .023–.030in. (0.6–0.8mm); Aluminum: .030in (0.8mm), Flux cored: .030 –.035in. (0.8–0.9mm); Spool size capacity: 4in, 8in (100mm, 200mm)
  • Variable wirefeed speed control
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Factory Shipped —
Estimated Delivery: 9 - 11 Business Days
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Not Available in Stores
 

Product Summary

This ultra lightweight Firepower MST 140i Multi-Process Welder is a powerhouse welding system that offers MIG, Stick and TIG welding capabilities in one complete, integrated, portable package. Ideal for farm/ranch, automotive, on-site maintenance/repair and other applications.

What's Included
  • (1) Firepower MST 140i power supply
  • (1) Firepower 140 Amp MIG gun
  • (1) Argon/CO2 pressure regulator, gauge and hose
  • (1) Electrode holder and ground clamp
  • (1) Drive roll
  • (1) Set of contact tips
  • (1) 15–20 Amp power adapter
  • (1) Shoulder strap
  • (1) Instructional CD

Features + Benefits

  • Quick start guide walks you through machine setup in four simple steps
  • Uses 115V AC with 140 Amp maximum output
  • Performs a wide spectrum of tasks
  • Wire diameter range: Mild steel: .023–.030in. (0.6–0.8mm); Stainless steel: .023–.030in. (0.6–0.8mm); Aluminum: .030in (0.8mm), Flux cored: .030 –.035in. (0.8–0.9mm); Spool size capacity: 4in, 8in (100mm, 200mm)
  • Variable wirefeed speed control
  • 15% to 20% duty cycle
  • Includes Argon/CO2 pressure regulator/gauge, hose, electrode holder and ground clamp, MIG Gun, drive roll, contact tips, shoulder strap and instructional CD
  • Measures 23 7/8in.L x 13 3/8in.W x 20 1/2in.H
Key Specs
Item# 47682
Brand Firepower
Manufacturer's Warranty 3 year limited warranty
Ship Weight 58.0 lbs
Volts 115
Amps 140
Duty Cycle 15%–20%
Mig Ready Yes
Wire Feed Speed Control Variable
Weldable Metals Thin ga. to 1/2in. steel
Weld Thickness (in.) 3/16 plate
Clamp Cable Length (ft.) 6
Regulator and Gas Hose Included Yes
Shielding Gas Required No
Welding Wire Diameter (in.) 4, 8
Power Cord (ft.) 10
Cart No
Dimensions L x W x H (in.) 23 7/8 x 13 3/8 x 20 1/2

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Hide Similarities
Volts
115 208–265 120/230 120/230 230
Amps
140 180 MIG 30–220; Stick/TIG up to 175 MIG 40–200; Stick/TIG up to 180 45
Duty Cycle
15%–20% 30% 40% at 90A (120V); 25% at 200A (230V) 40% at 90A (120V); 20% at 200A (230V) 250A at 20%
Mig Ready Yes Yes Yes Yes Yes
Wire Feed Speed Control
Variable 100–650 IPM (2.5–16 1/2 m/min.) Infinite Infinite LCD
Weldable Metals Thin ga. to 1/2in. steel Thin ga. aluminum to 1/2in. steel MIG/spool gun: mild steel, stainless steel, aluminum MIG/spool gun: mild steel, stainless steel, aluminum MIG: steel, stainless steel, aluminum; Flux Core: steel; DC Stick: steel, stainless steel, cast iron; TIG: steel, stainless steel
Weld Thickness (in.) 3/16 plate 1/4 Up to 5/16 (depending on process) Up to 5/16 (depending on process) 1/2
Clamp Cable Length (ft.) 6 6 10 10 12
Regulator and Gas Hose Included Yes Yes Yes Yes Yes
Shielding Gas Required No No Yes for solid MIG wires/TIG; No for stick electrodes/flux core wire Yes for solid MIG wires/TIG; No for stick electrodes/flux core wire Yes
Welding Wire Diameter (in.) 4, 8 4, 8 0.023–0.035 0.023–0.035 0.023, 0.030, 0.035, 0.045
Power Cord (ft.) 10 10 6 1/2 (230V); 2 (120V adapter) 6 1/2 (230V); 2 (120V adapter) 6
Cart No No Not included Not included, (optional) Installed
Dimensions L x W x H (in.)
23 7/8 x 13 3/8 x 20 1/2 31 3/8 x 14 x 21 19 7/16 x 8 2/3 x 15 20 3/4 x 9 1/2 x 16 1/4 38 21/32 x 20 7/8 x 32 11/16
Product Weight (lbs.) - - 26.82 33 115