New Welders Rewards! | Earn points on every purchase, unlock exclusive perks, and score serious savings.

Miller Maxstar® 400 TIG Welder, 208-600 V, TIGRunner - 907873001

Part Numbers: 907873001
UPCs: 715959708401

Miller Maxstar® 400 TIG Welder, 208-600 V, TIGRunner - 907873001

Part Numbers: 907873001
UPCs: 715959708401
$15,019.00 + Free Shipping $17,346.00*
SAVE $2,327.00
Login or signup to earn 15019 Welders rewards points.
Ships Free (Contiguous U.S.) 5 Distribution Centers, 481 Reviews
Miller Maxstar® 400 TIG Welder, 208-600 V, TIGRunner - 907873001
Miller Maxstar® 400 TIG Welder, 208-600 ...

Included with your purchase:

Choose Options
American Welder T-Shirt - Back
FREE!
Welders Supply T-Shirt & Stickers
Small
Medium
Large
1X Large
2X Large
3X Large
Welders Supply cup holder
FREE!
Welders Supply Magnetic Cup Holder
$15,019.00 + Free Shipping $17,346.00*
SAVE $2,327.00
Login or signup to earn 15019 Welders rewards points.

Welding type:

TIG

TIG

Stick

Stick

Power supply:

220V Single Phase

220V Single Phase

220V 3 Phase

220V 3 Phase

460V

460V

600V

600V

Material type:

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel

Related Products

Forney 220 AC/DC TIG Welder Package #420
$330 MFR Rebate
Forney 220 AC/DC TIG Welder Package (110-230V 1PH) #420 2 purchased
$2,399.99
Free Shipping
Lincoln Electric Aspect 230 AC/DC Air Cooled One-Pak #K4341-1 Lincoln Electric Aspect 230 AC/DC Air Cooled One-Pak #K4341-1 1 purchased
$6,709.99
Free Shipping
Welder machine Miller Big Blue® 800 Duo Pro heavy duty
Helmet Gift Pack
Miller Electric Big Blue® 800 Duo Pro #907751
Save $8,282.00
$53,458.00
$61,740.00
Free Shipping
Bobcat™ 265 ArcReach® w/ Remote Start/Stop #907826001
$1,000 MFR Rebate & Free Cover
Miller Electric Bobcat 265 ArcReach w/ Remote Start/Stop #907826001
(2)
3 purchased
Save $2,215.00
$8,275.00
$10,490.00
Free Shipping
Miller Bobcat™ 230 Engine-Driven Welder (Vanguard) #907847
$500 MFR Rebate & Free Cover
Miller Electric Bobcat™ 230 Engine-Driven Welder (Vanguard) #907847 2 purchased
Save $1,816.00
$6,785.00
$8,601.00
Free Shipping
Miller Electric Continuum Wire Feeder Drive Left #301216
Save $712.00
$4,596.00
$5,308.00
Free Shipping
Miller Continuum™ 350 907636 for sale online at Welders Supply
Helmet Gift Pack
Miller Electric Continuum™ 350 #907636
Save $1,816.00
$11,719.00
$13,535.00
Free Shipping
Lincoln Electric Cross Country® 300 (Kubota®) Engine-Driven Welder #K4166-1 Lincoln Electric Cross Country® 300 Welder/Generator w/ Kubota® Diesel Engine (11,000W) #K4166-1
Save $3,034.57
$27,928.43
$30,963.00
Free Shipping
Miller Dynasty® 300 Multiprocess Welder, Wireless Foot Control Complete Pkg #951000100 Miller Electric Dynasty® 300 Multiprocess Welder, Wireless Foot Control Complete Package (208-600V) #951000100
Save $3,333.00
$21,515.00
$24,848.00
Free Shipping
Miller Dynasty® 800 TIG Welder - 907859
Helmet Gift Pack
Miller Electric Dynasty® 800 TIG/Stick Welder (208-600 V) #907859
Save $3,780.00
$24,400.00
$28,180.00
Free Shipping
ESAB EM 210 MIG Welder 0700501200
Cup Holder + Shirt
ESAB ESAB EM 210 MIG Welder (110-230V 1PH) - 0700501200 9 purchased
Save $148.07
$1,163.88
$1,311.95
Free Shipping
ESAB® Rogue EMP 210 PRO Multi-Process Welder, Dual Voltage (120/230V) #0700301085 for sale online
$100 MFR Rebate
ESAB ESAB Rogue EMP 210 PRO Multi-Process Welder – MIG/TIG/Stick, 120/230V, 0700301085 6 purchased
Save $978.82
$1,746.03
$2,724.85
Free Shipping
Beginner welding kit ESAB ET 220i AC/DC HF TIG Package on sale
Cup Holder + Shirt
ESAB ET 220i AC/DC HF TIG Welder Pkg (220-460V 1/3PH) #W1009301 2 purchased
Save $997.36
$6,907.89
$7,905.25
Free Shipping
Everything you need ESAB ET 301i AC/DC TIG Package #W100940 free and fast
Cup Holder + Shirt
ESAB ET 301i AC/DC HF TIG/Stick Welder (208-460V 1/3PH) #W1009401 1 purchased
Save $476.97
$12,874.23
$13,351.20
Free Shipping
Lincoln Electric Flextec 350X PowerConnect (Tweco)/DLF-82 EDU Ready-Pak #K5336-5 Lincoln Electric Flextec 350X PC (Tweco)/DLF-82 EDU Ready-Pak #K5336-5
Save $119.27
$13,184.73
$13,304.00
Free Shipping
Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder, (Tweco)/DLF-82 Ready-Pak #K5336-4 Lincoln Electric Flextec 350X PC (Tweco)/DLF-82 Ready-Pak #K5336-4
Save $119.03
$12,734.97
$12,854.00
Free Shipping
Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2 Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2
Save $71.36
$8,061.64
$8,133.00
Free Shipping
Lincoln Electric Flextec® 350X Construction (Tweco) Multi-Process Welder 4-Pack Rack #K3402-3 Lincoln Electric Flextec® 350X Construction Multi-Process Welder, 4-Pack Rack w/ Tweco Connector #K3402-3
Save $3,476.68
$32,000.32
$35,477.00
Free Shipping
Lincoln Electric Flextec® 350X Construction Multi-Process Welder, 6-Pack Rack w/ Tweco Connector #K4277-2
Save $5,076.22
$46,680.78
$51,757.00
Free Shipping
Lincoln Electric Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® #K3612-4 for sale online Lincoln Electric Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® #K3612-4
Save $1,653.96
$15,207.04
$16,861.00
Free Shipping
Lincoln Electric Frontier® 400X Engine-Driven Welder (Kubota®) #K3484-2 Lincoln Electric Frontier® 400X Welder/Generator w/ Kubota® Diesel Engine (12,500W) #K3484-2 1 purchased
Save $2,630.10
$24,207.90
$26,838.00
Free Shipping
Lincoln Electric Idealarc® DC600 Multi-Process Welder #K1288-22 Lincoln Electric Idealarc® DC600 Multi-Process Welder #K1288-22
Save $1,328.65
$12,220.35
$13,549.00
Free Shipping
Miller Intellx™ Dual Remote Operator Interface (ROI) #301551 for sale online Miller Electric Intellx™ Dual Remote Operator Interface (ROI) #301551
Save $385.00
$2,486.00
$2,871.00
Free Shipping
Lincoln Electric Power MIG 220 AC/DC Multi-Process Welder #K5379-1 Lincoln Electric Lincoln Electric Power MIG 220 AC/DC Multi-Process Welder (K5379-1) 3 purchased
Save $125.91
$3,624.08
$3,749.99
Free Shipping
Lincoln Electric Sprinter™ 180Si #K5453-1 Lincoln Electric Lincoln Sprinter 180Si Stick/TIG Welder – Dual Voltage 120/230V #K5453-1 11 purchased
$959.99
Free Shipping
Lincoln Electric Maverick® 325X Engine-Driven Welder (Kubota®) #K3581-1 Lincoln Electric Maverick® 325X Welder/Generator w/ Kubota® Diesel Engine (10,000W) #K3581-1
Save $1,989.10
$18,291.90
$20,281.00
Free Shipping
Where to buy Miller Maxstar 161 STL #907710002 quick shipping
$400 MFR Rebate
Miller Electric Maxstar 161 STL, X-Case, Fingertip Contractor Pkg #907710002
(3)
47 purchased
Save $683.00
$2,555.00
$3,238.00
Free Shipping
Miller MAXSTAR 280 (AUTO-LINE 208-575) 907552
Helmet & Gloves
Miller Electric MAXSTAR 280 (AUTO-LINE 208-575) #907552
(1)
Save $1,124.00
$7,257.00
$8,381.00
Free Shipping
Miller Bobcat 200 Air Pak Diesel #907760
Helmet Gift Pack
Miller Electric Miller Bobcat™ 200 Air Pak™ Diesel #907760
(1)
4 purchased
Save $4,120.00
$26,592.00
$30,712.00
Free Shipping
Miller Pipeworx 400 Pipe Fabrication Welding System (575V) #951000095 Miller Electric Pipeworx 400 Pipe Fabrication Welding System Package (575V) #951000095
Save $4,216.00
$27,213.00
$31,429.00
Free Shipping
Lincoln Electric Power Wave® 300C Advanced Multi-Process Welder (200575V 1/3PH) #K4488-1 Lincoln Electric Power Wave® 300C Advanced Multi-Process Welder (200-575V 1/3PH) #K4488-1
Save $1,683.71
$15,499.29
$17,183.00
Free Shipping
Lincoln Electric Power Wave® S500 Advanced Process Welder & Power Feed® 84 One-Pak® #K3186-2 for sale online at Welders Lincoln Electric Power Wave® S500 Advanced Process Welder & Power Feed® 84 One-Pak® (208-575V 3PH) #K3186-2
Save $2,245.22
$20,666.78
$22,912.00
Free Shipping
Lincoln Electric Ranger® Air 260MPX™ Multi-Function Engine Driven Welder/Generator #K5238-1 Lincoln Electric Ranger® Air 260MPX™ Multi-Function Engine Driven Welder/Generator #K5238-1
Save $1,665.20
$15,328.80
$16,994.00
Free Shipping
Razorweld RazorArc 200di Stick/TIG Welder #JRW200di Razorweld RazorArc 200di Stick/TIG Welder #JRW200di Other Razorweld RazorArc 200di Stick/TIG Welder #JRW200di
$605.00
Free Shipping
ESAB REBEL EMP 235IC MIG/STICK/TIG WELDER WITH CART #0558012704
$250 MFR Rebate
ESAB Rebel EMP 235IC Multi-Process Welder w/ Cart (110-230V 1PH) #0558012704
(1)
15 purchased
Save $2,163.56
$3,859.32
$6,022.88
Free Shipping
Save on ESAB Rebel™ EMP 205ic AC/DC 0558102553 with Winter Saving Rebate
$250 MFR Rebate
ESAB Rebel™ EMP 205ic AC/DC Multi-Process Welder (110-230V 1PH) #0558102553 17 purchased
Save $2,520.00
$4,495.13
$7,015.13
Free Shipping
ESAB Rebel™ EMP 285ic System with Cart 0558102555 1ph, 0558102557 3ph
$250 MFR Rebate
ESAB Rebel™ EMP 285ic Multi-Process Welder w/ Cart (110-575V 1/3PH) #0558102555 7 purchased
Save $2,698.72
$4,813.93
$7,512.65
Free Shipping
Hero shot Miller SubArc DC 1000 Digital 907624 New welder in stock
Helmet Gift Pack
Miller Electric SubArc DC 1000 #907624
Save $2,913.00
$18,801.00
$21,714.00
Free Shipping
907832004 Miller Trailblazer 330 EFI Excel Power Battery Charging WIC with Remote
$1,000 MFR Rebate & Free Cover
Miller Electric Trailblazer 330 EFI Engine-Driven Welder, Battery Charger, Excel, Remote #907832004
(2)
1 purchased
Save $3,305.00
$12,355.00
$15,660.00
Free Shipping
Lincoln Electric Vantage® 549X (Deutz®) Engine-Driven Welder Ready-Pak® 2 #K3534-2-RP2 Lincoln Electric Vantage® 549X Welder/Generator w/ Deutz® Diesel Engine (19,000W) Ready-Pak® 2 #K3534-2-RP2
Save $3,864.33
$35,565.67
$39,430.00
Free Shipping
ESAB Warrior 300i MIG Multi-Process Welding Package #0558102559 For Sale Online ESAB Warrior 300i MIG Multi-Process Welding Package #0558102559
Save $2,416.16
$10,090.30
$12,506.46
Free Shipping
Miller XMT 350 FieldPro with Polarity Reversing, ArcReach® Stick/MIG/TIG Remote Pkg #951737 Miller Electric XMT 350 FieldPro with Polarity Reversing, ArcReach® Stick/MIG/TIG Remote Pkg #951737
Save $1,975.00
$12,751.00
$14,726.00
Free Shipping
Miller XMT® 350 FieldPro™ Multi-Process Welder w/ Polarity Reversing, Tweco® #907731 Miller Electric XMT® 350 FieldPro™ Multi-Process Welder w/ Polarity Reversing, Tweco® #907731
Save $1,496.00
$9,654.00
$11,150.00
Free Shipping
Miller XMT® 350 FieldPro™ with Polarity Reversing, Dinse® #907731002 Miller Electric XMT® 350 FieldPro™ with Polarity Reversing, Dinse® #907731002
Save $1,541.00
$9,944.00
$11,485.00
Free Shipping
Miller XMT® 450 ArcReach™, 4-Rack #907700 available at Welders Supply
Helmet Gift Pack
Miller Electric XMT® 450 ArcReach™, 4-Pack Rack #907700
Save $6,651.00
$42,930.00
$49,581.00
Free Shipping
Miller Big Blue 400 PipePro (Mitsubishi) Stainless Steel w/Wireless Interface Control 907805 Ships FREE to lower 48 states.
Helmet Gift Pack
Miller Electric Big Blue 400 PipePro (Mitsubishi) w/ Remote #907805
(1)
Save $4,899.00
$31,623.00
$36,522.00
Free Shipping
Miller Big Blue® 600 Air Pak™ Truck Mount Spec w/Wireless Interface Control #907750004 Miller Electric Big Blue® 600 Air Pak™ Truck Mount Spec w/Wireless Interface Control #907750004
Save $10,972.00
$70,821.00
$81,793.00
Free Shipping
Big Blue® 800 Duo Air Pak™ Truck Mount w/Wireless Interface Control #907752004 Miller Electric Big Blue® 800 Duo Air Pak™ Truck Mount w/Wireless Interface Control #907752004
Save $11,758.00
$75,895.00
$87,653.00
Free Shipping
Miller Continuum™ Feeder (Single) 951631 Miller Electric Continuum™ Feeder (Single) #951631001
Save $1,033.00
$6,669.00
$7,702.00
Free Shipping
Miller Dynasty® 300 Multiprocess Welder w/ AC/DC & Pulsed TIG #907819 Miller Electric Dynasty® 300 Multiprocess Welder #907819
(2)
Save $1,826.00
$11,785.00
$13,611.00
Free Shipping
Miller FieldPro™ Smart Feeder #300935
Cup Holder + Shirt
Miller Electric FieldPro™ Smart Feeder #300935 1 purchased
Save $1,461.00
$9,430.00
$10,891.00
Free Shipping
Miller Invision™ 352 MPa, D-74 MPa Plus (Dual), 2 Bernard™ BTB 400 A 15 Ft, Running Gear Pkg #951500
Helmet Gift Pack
Miller Electric Invision 352 MPa Plus System #951500
Save $3,784.00
$24,422.00
$28,206.00
Free Shipping
Miller Maxstar 280 TIGRunner, Water Cooled (208-575 V 1PH/3PH) #907538002 for sale online Miller Electric Maxstar 280 TIGRunner, Water Cooled (208-575 V 1PH/3PH) #907538002
Save $1,531.00
$9,881.00
$11,412.00
Free Shipping
Maxstar STR 210 120-480 V #907682 Miller Electric Miller Maxstar STR 210 Stick Welder – 120–480V, 907682 18 purchased
Save $607.00
$3,918.00
$4,525.00
Free Shipping
Miller Multimatic 220 AC/DC Multiprocess welder #907757 - Included accessories
$550 MFR Rebate
Miller Electric Miller Multimatic 220 AC/DC Multi-Process Welder - 907757
(4)
744 purchased
Save $1,141.53
$4,285.00
$5,426.53
Free Shipping
Multimatic® 255 Multiprocess Welder - 208-575V
$400 MFR Rebate
Miller Electric Miller Multimatic 255 Multi-Process Welder – MIG/TIG/Stick, 907728
(3)
41 purchased
Save $1,276.07
$4,777.00
$6,053.07
Free Shipping
Miller XMT 450 CC/CV Multi-Process Welder – 230/460V (907481) for Sale
Cup Holder + Shirt
Miller Electric Miller XMT 450 CC/CV Multi-Process Welder – 230/460V, 907481 4 purchased
Save $1,203.00
$7,764.00
$8,967.00
Free Shipping
Miller Multimatic® 255 Multi-Process Welder w/ EZ-Latch™ Running Gear #951767
$400 MFR Rebate
Miller Electric Multimatic 255 Multi-Process Welder w/ EZ-Latch Running Gear #951767
(2)
38 purchased
Save $1,415.01
$5,294.00
$6,709.01
Free Shipping
Dual Bench-Style Feeder for Miller PipeWorx Welding Machines Miller Electric PipeWorx Dual Bench Feeder #300366 1 purchased
Save $1,137.00
$7,342.00
$8,479.00
Free Shipping
Miller Syncrowave® 300 TIG Welder, Wired Foot Pedal Complete Pkg #951000003 for sale online
Gift Pack
Miller Electric Syncrowave® 300 TIG Welder, Wired Foot Pedal Complete Pkg #951000003
(5)
1 purchased
Save $1,878.00
$12,125.00
$14,003.00
Free Shipping
XMTMPA XMT 350 MPa, Dinse #907366 Miller Electric XMT 350 MPa, Dinse #907366 3 purchased
Save $1,514.00
$9,769.00
$11,283.00
Free Shipping
  • Miller True Blue 3-year warranty3-Year Power Warranty
  • Miller multi-voltage TIG welder208-600V Input
  • Welder with multi-phase input1-Phase or 3-Phase Input
  • Miller TIG welderTIG Welding
  • Miller stick welderStick Welding

Miller Maxstar® 400 TIG/Stick Welding Machine, 208-600 V, TIGRunner - 907873001Miller True Blue 3-Year Warranty

Miller Maxstar 400 machines provide exceptional DC arc performance. A 7 sq. inch LDC interface ensures proper machine setup and parameter selection through on-screen explanations. Maxstar 400 delivers the power and performance you need for professional TIG & stick welding.

This TIGRunner package comes with the Maxstar 400 power source, Coolmate 3.5 torch cooler, cart, foot control system and torch kit.


What's Included:

  • Maxstar 400 power source
  • Runner cart
  • Coolmate 3.5
  • 8 ft power cord (no plug)
  • Coolant (4 one-gallon bottles of 043810)
  • Wireless Foot Control System (301580)
  • W-375 Torch Kit (301268)
Miller Maxstar® 400 TIG/Stick Welding Machine, 208-600 V, TIGRunner - 907873001

Standard Features of the Miller Maxstar 400

This TIG/stick professional welding machine power source, torch cooler & cart setup comes with:

Intuitive Interface LCD Display - Ensure proper machine setup and parameter selection with informative on-screen explanations and dynamic images.

QuietPulse™ - Activate QuietPulse by selecting sine or triangular waveshape to reduce audible noise.

Program Memory - Allows easy naming, saving and recalling of favorite weld settings.

Locks and Limits - Provides control of the weld parameter ranges minimizing deviations from the welding procedure specifications (WPS).

USB Port - Provides the ability to easily update software, back-up settings and transfer saved weld programs from one unit to the next.

Pro-Set Feature (professional settings) - This feature eliminates the guesswork when setting weld parameters. Use Pro-Set when you want the speed, convenience and confidence of pre-set controls. Simply select the feature and adjust until Pro-Set appears on the display. The Pro-Set feature is available for Balance, Frequency, Pulse and DIG parameters.

AC Frequency Control - Control the width of the arc cone and can improve directional control of the arc with adjustments between 50-150 Hertz.

Auto-Line™ Technology - For portability and reliability this inverter power supply allows for any single-phase input voltage hookup (208–600 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power.

Stick Features - Tailored arc control (DIG) allows the arc characteristics to be changed for specific applications and electrodes. Smooth running 7018 or stiffer, more penetrating 6010. Hot Start™ adaptive control provides positive arc starts without sticking.

Miller TIG/stick welding machines & accessories

Fast, Free Shipping & Easy Returns

Your in-stock items ship same or next day from our five distribution hubs in WI and IL via fast UPS Ground. Need special shipping? Just call 1-844-682-0205 - we accommodate any request, including using your shipping accounts. Enjoy hassle-free 14-day returns on new, sealed products. Count on exceptional service backed by industry-leading shipping and return policies. Experience the advantage on your next order!

Check out the wide selection of MIG, TIG, Stick and Gas welders available at Welders Supply Company.

This product replaces these legacy models:

Miller Maxstar® 400 TIG Welder - Specifications

Input

Power

Welding

Amperage Range

 

Rated Output

Amps Input at Rated Load Output, 50/60 Hz 

208 V   230 V   400 V   460 V   600 V   KVA     KW

Max. Open-

Circuit Voltage

 

Dimensions

Net 

Weight

3-phase

 

 

 

3–400 A

 

 

 

250 A at 30 V, 

100% duty cycle

27        24        14        12       9          9.4      9.1

 

75 VDC

(10–15 VDC*)

H: 24.125 in. (613 mm)

W:13.875 in. (352 mm) D: 24.313 in. (618 mm)

 

with TIGRunner®

H: 43.125 in. (1,095 mm)

W:23.125 in. (587 mm)

D: 41.625 in. (1,057 mm)

126 lb. 

(57 kg)

 

with TIGRunner®

246 lb. 

(112 kg)

300 A at 32 V, 

60% duty cycle

33        30        17        15       11        12       11.6

 

1-phase

3–400 A

200 A at 28 V, 

100% duty cycle

36        33        18        15       11        7.4      6.9

 

250 A at 30 V, 

60% duty cycle

48        43        24        20       15        10       9.2

Performance data

Input

Power

TIG (GTAW)

Duty Cycle

Stick (SMAW)

Duty Cycle

DC TIG Material

Thickness Range

Stick Electrode

Maximum Diameter

Carbon Arc Gouging

(CAC-A) Maximum

Generator

Requirement

3-phase

 

 

400 A, 20%

300 A, 60%

250 A, 100%

400 A, 20%

300 A, 60%

250 A, 100%

.012–5/8 in. (0.3–15.9 mm)

6010: 1/4 in. (6.4 mm)

7018: 1/4 in. (6.4 mm)

7024: 1/4 in. (6.4 mm)

1/4 in. (6.4 mm)

20 kVA

1-phase

300 A, 20%

250 A, 60%

200 A, 100%

300 A, 20%

250 A, 60%

200 A, 100%

Tungsten

Tungsten                                                    

    Amp Range                                       

    2% Ceriated (AC/DC)                       

    2% Lanthanated (AC/DC)

1/16 in. (1.6 mm)                                       

    70–150 A                                         

    WC116X7                                          

    WL2116X7

3/32 in. (2.4 mm)                                       

    140–250 A                                       

    WC332X7                                          

    WL2332X7

1/8 in. (3.2 mm)                                        

    225–400 A                                       

    WC018X7                                          

    WL2018X7

5/32 in. (4.0 mm)                                       

    300–500 A                                       

    WC532X7                                          

    WL2532X7

SHIPPING DIMENSIONS

Height: 48.19 Inches
Width: 30.00 Inches
Length: 46.00 Inches
Weight: 298 Lb(s) 0 Oz

Product Questions and Answers

Have a question about this product? Submit your question using the form below

Be the first to know about upcoming specials!