Miller Electric 145 User Manual
Four Blue Star models to choose from.
See Page 3 for comparison information.
Blue Star Series
Blue Star 145
Blue Star 145 DX
Blue Star 185
Blue Star 185 DX (shown)
Processes
Stick (SMAW)
DC TIG (GTAW)
Air Plasma Cutting and Gouging
with optional Spectrum models
Industrial Applications
Maintenance
Repair
Farm/Ranch Applications
Construction
Stand-alone Generator
Blue Star®Series
Gas Engine-Driven Welder/
AC Generator
Issued January 2008 • Index No. ED/2.5
Compact and portable, its small
footprint uses little truck space.
Optional running gear also makes
the Blue Star one-man portable.
Large 5-gallon fuel capacity
(DX models) leads its class.
Longer run time for welder or
generator usage. See page 2 for
fuel consumption data.
Standard Auto Idle (DX models) idles
engine while not in use. Reduces fuel
consumption and noise.
Reliable air-cooled OHV engines ensure
consistent engine performance.
Quick-reference parameter chart provides
convenient amperage setting guidance.
Hour meter provides easy tracking of
run hours for maintenance intervals
(DX models).
The Power of Blue®.
Welder/generator is warranted by Miller for 3 years, parts and labor.
Engine is warranted 2 years by engine manufacturer.
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
Weld Output Range
For DC Stick/TIG 145: 40 –145 A 185: 55 – 185 A
Generator Output Rated at 104˚ F (40˚ C)
145: 4500 Watts Peak, 4000 Watts Continuous
185: 6000 Watts Peak, 5500 Watts Continuous
Weight 145: 263 lb (119 kg) 145 DX: 309 lb (140 kg)
185: 267 lb (121 kg) 185 DX: 315 lb (143 kg)
Class-leading 6000-watt peak power
(185 models) of regulated power to
extend power tool life.
Bulletproof technology eliminates use of
complicated circuit boards.
Receptacle covers improve reliability by
protecting receptacles from debris.
240 V and 120 V receptacles provide
power for jobsite tools. Receptacles are
circuit-breaker protected (optional
120 VAC GFCI receptacles are available).
Single-range amperage control makes
setting amperage levels easy.
Reliable Blue Star engine drives
are the standard for portable
welder/generators.
Quick
Specs
Performance Data
2
Control Panel
Welding
Mode
CC/DC
(Stick/TIG)
CC/DC
(Stick/TIG)
Model
Blue Star
®
145
Blue Star®145 DX
Blue Star®185
Blue Star®185 DX
Weld Output
Range
40 – 145 A
55 – 185 A
Weld Output Rated
at 104˚ F (40˚C)*
145 A at 25 V, 20% Duty Cycle
100 A at 25 V, 60% Duty Cycle
185 A at 25 V, 20% Duty Cycle
130 A at 25 V, 60% Duty Cycle
Single Phase
Generator Power
4500 Watts Peak
4000 Watts Continuous
34 A at 120 V, 17 A at 240 V
6000 Watts Peak
5500 Watts Continuous
40 A at 120 V, 23 A at 240 V
Dimensions
H: 22.75 in (578 mm)
W: 22.75 in (578 mm)
D: 31.6 in (803 mm)
H: 22.75 in (578 mm)
W: 22.75 in (578 mm)
D: 31.6 in (803 mm)
Net Weight
(without fuel)
263 lb (119 kg)
309 lb (140 kg)
267 lb (121 kg)
315 lb (143 kg)
Specifications (Subject to change without notice.)
1. Engine Hour Meter*
2. Auto Idle Switch*
3. Quick-Reference Parameter Chart
4. 240 V and 120 V Receptacles
5. Single-Range Amperage Control
*DX Models only.
*Rated at sea level.
Engine Specifications (Subject to change without notice.)
Engine
Kohler CS10
2 year warranty
Honda GX390
2 year warranty
Kohler CS12.75
2 year warranty
HP
10 HP at 3600 RPM
13 HP at 3600 RPM
12.75 HP at 3600 RPM
Type
1-cylinder, 4-cycle,
air-cooled, OHV
1-cylinder, 4-cycle,
air-cooled, OHV
Engine Speeds
3750 RPM
3750 RPM
(2500 RPM at idle)
3750 RPM
3750 RPM
(2500 RPM at idle)
Fuel
Capacity
1.8 gal
(6.8 L)
5 gal
(18.9 L)
1.7 gal
(6.4 L)
5 gal
(18.9 L)
Oil Capacity
1.1 qt (1.04 L)
1.16 qt (1.10 L)
1.1 qt (1.04 L)
Automatic Engine
Shutdown
Standard
Standard
Model
Blue Star®145
Blue Star
®
145 DX
Blue Star®185
Blue Star
®
185 DX
Gasoline
Fuel Consumption Data
• 5-gallon fuel capacity on DX models. 1.7 and 1.8 gallon on
standard models.
• Under a continuous load of 3000 watts of generator power, the
Blue Star 185 DX would run for about 6.5 hours.
• Welding at 130 amps (at 30% duty cycle), the Blue Star 185 DX
would run for about 15 hours of operation.
1
2
3
1.200
1.000
0.800
0.600
0.400
U.S. GAL PER HOUR
0.200
0.000
01 2 34 5 6
FUEL CONSUMPTION
Kohler 12.75
Kohler 10
Kohler 12.75 (at idle)
Kohler 10 (at idle)
POWER KVA AT 100% DUTY CYCLE
Honda 13
4
5
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