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Specifications  

(Subject to change without notice.)

Engine Specifications

(Subject to change without notice.)

Processes

DC Stick (DC SMAW)

Air Carbon Arc (CAC-A) 

Cutting and Gouging
thru 6 mm (1/4 in)

DC TIG (GTAW) 
Flux Cored (FCAW) 

Rated Output at 40˚C (104˚F)

400 A at 30 VDC, 40% Duty Cycle
300 A at 32 VDC, 100% Duty Cycle

DC Amperage Range  

40 – 400 A

Generator Power  

3 kVA, 120/240 VAC, 26/13 A, 50/60 Hz while welding

Weight  

Net: 670 kg (1475 lb)

Ship: 685 kg (1510 lb)

Industrial Applications

Structural Work
Mining
Maintenance and Repair
Piping

Quick
Specs

Big Blue

®

401DX

Engine Driven 

Welding Generator

Issued May 2008 • Index No. EX/5.2

The Power of Blue

®

.

Miller Electric Mfg. Co.

An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA

Web Site

www.MillerWelds.com

International Headquarters

Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125

3-phase, 4-pole revolving field
technology

provides efficient welding

current with less horsepower than DC
generator technology — less horsepower
per welding amp saves fuel — as much
as 20 to 30 percent. Easily connects in
parallel with no special kits for heavy
gouging or stud welding applications.

Five welding ranges

provide

overlapping ranges and fine current
control in each range for easy set-up
and control of welding amperage.

The F3L2011, 3-cylinder 

Deutz diesel

engine

provides 30 HP at 1850 RPM.

Single side service. Direct fuel injection
for fuel economy and easy starts. Air/oil
double-cooled diesel for maximum
reliability in all environments.

Compact and lightweight

, this low-

speed diesel measures in at 625 x
927 x 1422 mm (24-5/8 x 36-1/2 x
56 in). 

Remote control facility

allows

precise adjustment of amperage
without walking back to the machine.

3 kW/kVA auxiliary power

while

welding is available from one 
120 VAC duplex receptacle and one
240 VAC duplex receptacle that are
circuit breaker protected. 

Note: Parts and labor warranted for three years.

Engine warranted by Deutz for three years.

Rugged controls 

with no printed

circuit boards. 

Weld Output 
Range

40 – 400 A

Weld
Mode

CC/DC

Max. Open-Circuit
Voltage 

95 (90)

Weld Output Rated at 
40˚C (104˚F)

400 A, 30 VDC, 40% Duty Cycle
300 A, 32 VDC, 100% Duty Cycle*

Generator Power Output
Rated at 40˚C (104˚F)

3 kVA, 120/240 VAC,
26/13 A, 50/60 Hz while
welding

Weight (without fuel)***

Net: 670 kg (1475 lb)
Ship: 685 kg (1510 lb)

Dimensions

H: 927 mm (36 in)**
W: 625 mm (24-5/8 in)
D: 1422 mm (56 in)

*NEMA output rating. **Height is 1029 mm (40-1/2 in) with muffler. ***Additional 136.5 kg (80.5 lb) with tank is full 

Engine Brand

Deutz

F3L2011

HP

30.3

Type

Three-cylinder,
industrial,
liquid-cooled
diesel

Engine Speeds

Run: 1850 RPM

Fuel Capacity 

43 L 
(11.3 gal)

Automatic Engine Shutdown

Low Oil Pressure 
High Oil Temperature

Oil Capacity

5.5 L

(6 qt)

Features

Tier 0, direct-injected, air/oil-cooled
engine. Right-side service access
with service intervals of 

1000 hours

for 

oil

and 

filters

Summary of Contents for Big Blue 401DX

Page 1: ...Deutz diesel engineprovides 30 HP at 1850 RPM Single side service Direct fuel injection for fuel economy and easy starts Air oil double cooled diesel for maximum reliability in all environments Compact and lightweight this low speed diesel measures in at 625 x 927 x 1422 mm 24 5 8 x 36 1 2 x 56 in Remote control facility allows precise adjustment of amperage without walking back to the machine 3 k...

Page 2: ...0 200 250 400 500 1000 600 800 50 15 20 30 25 40 60 10 80 100 DUTY CYCLE CHART DC AMPS VOLT AMP CURVES DC VOLTS 20 40 0 200 300 400 100 500 0 60 80 100 RANGES MIN 70 55 120 90 190 120 240 200 MAX Weld Ammeter and Voltmeter 041 567 Field Monitors weld output Installs on welder control panel Spark Arrestor Muffler Kit 042 317 Field only Mandatory when operating on California grasslands brush or fore...

Page 3: ...ld Ultimate Circuit Board Protection No matter how well it s built any machine can fail if its critical circuit boards are compromised Miller makes two types of industrial engine drives both of which ensure that no critical circuit boards are left vulnerable CC Stick and TIG Models Miller s robust efficient constant current CC industrial engine drives for Stick and TIG welding are designed with no...

Page 4: ...cle 15 m 50 ft stinger 15 m 50 ft work clamp 043 952 2 0 300 A 100 duty cycle 30 5 m 100 ft stinger 15 m 50 ft work clamp Remote Controls RHC 3GD34A 041 122 Includes 6m 20 ft cord Trailers and Hitches HWY 224 Trailer 043 805 OFR 224 Trailer 043 802 Lunette Eye 64 mm 2 1 2 in 043 824 For use with both 224 trailers Cable Tree 043 826 Works on all 224 and 430 trailers 4 West Trailer 042 801 Date Tota...

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