User Manual
INPUT
OUTPUT
Multiprocess
Wirefeeder Welder
This Lincoln Electric MIG-PAK
®
140MP
®
lightweight and portable welder connects
to 120 volt power and is an excellent
choice for MIG, STICK, Spool Gun, Flux-
Cored, or TIG welding. The intuitive user
interface, easy setup, and full list of
accessories permits welding in no-time.
BENEFITS
MIG
– Wide 30-140 amp welding output for
MIG, FCAW and Spool Gun allows for
welding on 24 to 5/16 material.
– Durable cast aluminum gear box
delivers added torque and quiet
operation, and brass-to-brass gun
connection enhances conductivity.
– Smooth arc starts and a forgiving arc
makes dialing in your application easy.
TIG
– The wide 10-120 amp range permits
welding on thin and thick steel and
stainless.
– Weld with or without a foot pedal,
the machine will automatically detect
connected.
– Easy arc starts and optional patent
pending TIG torch assembly eliminate
the need for a manually controlled gas
valve.
STICK
– Smooth arc starts prevent sticking.
– Heavy duty electrode holder and cable
included.
– Great for repair.
WHAT’S
INCLUDED
Gun
Magnum
®
PRO 100L gun and 10 ft. (3.0 m)
cable assembly with brass connection and
8-pin trigger connector (K530-7).
.025 in. (0.6 mm) tapered contact tips
(Qty 3) (KH83)
.035 in. (0.9 mm) tapered contact tips
(Qty. 3) (KH831)
Gasless nozzle for Innershield
®
welding (KH836)
Gas nozzle for MIG welding (KH835)
Spindle adapter for 8 in. (203 mm) diameter
spools (KH720)
.025 - .035 in. (0.6 - 0.9 mm) wire diameter
welding (KP2948-1)
Shielding Gas Apparatus
Harris
®
3000290 Gas Regulator (S25805) and
52 in. (1.3 m) hose (S19303) for use with Ar/
CO
2
blend gases. For use with CO
2
shielding
gas, order a Lincoln Electric S19298 CO
2
shielding gas bottle adapter.
Welding Wire
Sample spool of .025 in. (0.6 mm) diameter
SuperArc
®
L-56
®
premium
MIG wire
Sample) spool of .035 in. (0.9 mm) diameter
Innershield
®
NR
®
-211-MP
APPLICATIONS
Shop
Farm
Home
Autobody
Other
Work clamp and
10 ft. (3.0 m) cable
Instruction manual
Quick Start guide
Electrode holder with 10 ft. cable
for stick welding
Shown K3821-1
Publication E7.47 | Issue D ate 06/17
© Lincoln Global, Inc. All Rights Reserved.
MIG-PAK 140MP Multiprocess Welder
MULTIPROCESS WIRE FEEDER/WELDERS
Processes
MIG, Flux-Cored, Stick, DC TIG,
Aluminum with a Spool Gun
Product Number
K3821-1
ISO
9001:2000
14001:2004
THE LINCOLN ELECTRIC COMPANY
22801 St. Clair Avenue • Cleveland, OH • 44117-1199 • U.S.A.
PH: +1.216-481-8100 • www.lincolnelectric.com
Input Power
120/1/60
Input Current at Rated Output
20 A
Rated Output Current/Voltage/Duty Cycle
95 A / 18.75 V @ 60% MIG
115 A / 14.6 V @ 60% TIG
80 A / 23.2 V @ 60% Stick
Output Range
30 - 140 A MIG
25 - 90 A Stick
10 - 120 A TIG
40-500 WFS (1.3-12.7 m/min)
Weight/Dimensions (H x W x D)
34.5 lbs. (15.6 kg)
13.6 x 8.9 x 18.1 in.
(345 x 224 x 460 mm)
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Two Year Extended
Warranty Available in
the U.S.A. and Canada.
® ®