Miller Mig Gun Selection Chart

Model Name Effective Serial Number Original Gun Recommended Replacemnt Gun(s)
Amperage / Duty Cycle (Co2) Wire Size
Sidekick XL/CricketAll Serial NumbersGA-16CM-100 - Part# 248282
MDX-100 Part#1770028
100 % Duty Cycle @ 100 Amps.030 - .035 in. (.8-.9 mm)
CricketAll Serial NumbersGA-16C1M-100 W/Friction Terminal
Part# 220606
100 % Duty Cycle @ 100 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 90All Serial NumbersGA-17CM-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.030 - .035 in. (.8-.9 mm)
Millermatic 120
Millermatic 130
Millermatic 150
Prior to KF849783
Effective With:
KF849783
GA-17C
M-15
M-150 Part# 249039
MDX-100 Part#1770028
100 % Duty Cycle @ 150 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 125All Serial NumbersM-80M-80 Part# 273618100 % Duty Cycle @ 100 Amps.023 - .045 in. (.6-1.2 mm)
Millermatic 130XPPrior to KK110539
Effetive With:
KK110539
10-A
M-10
M-150 Part# 249039
MDX-100 Part#1770028
100 % Duty Cycle @ 150 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 135, 140s, 175, 180, DVI, 211 (transformer)All Serial NumbersM-10

MDX-100
M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.030 - .035 in. (.8-.9 mm)
Millermatic 141 / 190All Serial NumbersM-100
MDX-100
M-100 Part# 248282
MDX-100 Part#1770028
100 % Duty Cycle @ 100 Amps.030 - .035 in. (.8-.9 mm)
Millermatic ChallangerAll Serial NumbersM-15M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.030 - .035 in. (.8-.9 mm)
Millematic Challanger 172Prior to KK118238
Effective With:
KK118238
10-A
M-10
M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.030 - .035 in. (.8-.9 mm)
Millermatic 185All Serial NumbersM-15M-150 Part# 249039
MDX-100 Part#1770028
100 % Duty Cycle @ 150 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 200All Serial NumbersGA-20CM-25 Part# 169598
MDX-250 Part# 1770035
MDX-250 Part# 1770036
MDX-250 Part# 1770037
100 % Duty Cycle @ 250 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 210, 212, 250X, 251, 252All Serial NumbersM-25

MDX-250 Acculock
M-25 Part# 169598
MDX-250 Part# 1770035
MDX-250 Part# 1770036
MDX-250 Part# 1770037
100 % Duty Cycle @ 250 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 250Prior to KF851980
Effective With:
KF851980
GA-21C
M-25
M-25 Part# 169598
MDX-250 Part# 1770035
MDX-250 Part# 1770036
MDX-250 Part# 1770037
100 % Duty Cycle @ 250 Amps.030 - .035 in. (.8-.9 mm)
Millermatic VintageAll Serial NumbersGA-20C
GA-21C
M-25 Part# 169598
MDX-250 Part# 1770035
MDX-250 Part# 1770036
MDX-250 Part# 1770037
100 % Duty Cycle @ 250 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 300All Serial NumbersM-40Bernard Replacement:
Q4015AE8EMC
100 % Duty Cycle @ 400 Amps.035 - .045 in. (.9-1.2 mm)
Millermatic 350Prior to LE443589
Effective With:
LE443589
C-4012
Q3015AE8XM
Bernard Q-Gun Part#
Q4015AE8EMC
Q3015AE8XMC
100 % Duty Cycle @ 400 Amps
300 Amps
.035 - .045 in. (.9-1.2 mm)
Millermatic PassportAll Serial NumbersM-10M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.030 - .035 in. (.8-.9 mm)
Millermatic PluserAll Serial NumbersM-15M-150 Part# 249039
MDX-100 Part# 1770028
100 % Duty Cycle @ 150 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 255All Serial NumbersMDX 250 - Acculock SMDX-250 Part# 1770041
MDX-250 Part# 1770042
MDX-250 Part# 1770043
100 % Duty Cycle @ 250 Amps.030 - .035 in. (.8-.9 mm)
Millermatic 350PAll Serial NumbersQ3015AE8EMCBernard Q-Gun Part#
Q3015AE8EMC
100 % Duty Cycle @ 300 Amps.035 - .045 in. (.9-1.2 mm)
Multimatic 220 AC/DCAll Serial NumbersM-150
MDX-100
M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.035 - .045 in. (.9-1.2 mm)
Multimatic 215 DCAll Serial NumbersM-150
MDX-100
M-100 Part # 248282
M-150 Part # 249039
MDX-100 Part#1770028
100% DutyCycle @ 100A
100% DutyCycle @ 150A
.035 - .045 in. (.9-1.2 mm)
Multimatic 200 DCAll Serial NumbersQ3015AE8EMCBernard Gun:
Q3015AE8EMC
100 % Duty Cycle @ 300 Amps.035 - .045 in. (.9-1.2 mm)

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