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Big Blue® 300 Pro

Low speed, compact diesel welder ideal for the construction contractor, independent rig owner or fleet manager.

Big Blue 300 Pro
  • Big Blue 300 Pro
Base Model Starting at:
$14,577.00 List Price (US$)

Additional Models and Pricing

Spec Sheet (ENG)


Heavy-Duty Low Speed Industrial Engine

Designed to operate over 10,000 hours before the first basic overhaul.  Backed by worldwide support and service.

Meter Maintenance Displays

  • Fuel guage
  • Hour meter function
  • Oil change interval
  • High coolant temperature and low oil pressure shutdowns
  • Lowfuel shutdows - engine shuts down before system runs out of fuel, making restarts easy

Quiet Operation

Improves work site communication

Thermal Overload Protection

Prevents machine damage if the duty cycle is exceeded or airflow is blocked.

Superior Arc Performance

  • Four preset DIG settings (Stick)
  • Hot Start™ (Stick)
  • Lift-Arc TIG with Auto-Stop™ and Crater-Out
  • MIG/FCAW arc performance

Auto Remote Sense™ (ARS)

Detects if a remote control is plugged into the 14-pin receptacle and eliminates confusion of a remote/panel switch.

Simple-to-Set Controls

Requires no elaborate procedure - just select process and weld!

Other Standard Features

  • Digital Preset Weld Meters
  • Output Contactor Control
  • Automatic Idle
 

Models

Stock #

XMT® 350 VS Weld Cable Control 907224002

XMT® 450 VS Weld Cable Control 907481002

SuitCase® X-TREME™ 8VS WCC with Bernard® S-Gun™ 951588

SuitCase® X-TREME™ 8VS WCC with Bernard® Q300 Gun 951584

SuitCase® X-TREME™ 12VS WCC with Bernard® S-Gun™ 951589

SuitCase® X-TREME™ 12VS WCC with Bernard® Q300 Gun 951581

SuitCase® X-TREME™ 12VS Multiprocess WCC with Bernard® S-Gun™ 951590

Product Literature
Spec Sheet (ENG)
Service Truck Installation Drawing
Diesel Brochure
 
ProcessesMIG (GMAW) 
DC TIG (DC GTAW) 
Stick (SMAW) 
Flux Cored (FCAW) 
Air Plasma Cutting and Gouging (PAC) with Optional Spectrum Models 
Air Carbon Arc Cutting and Gouging (CAC-A) - capable 1/4" carbons, rated 3/16" carbons 
General specificationsInput Power
Diesel Fuel
Rated Output
300 A @ 32 VDC, 60% Duty Cycle
400 A @ 21 VDC, 30% Duty Cycle
Welding Amperage Range
20 - 400 A
14 - 40 V
Net Weight1040 lbs. (472 kg)
Generator Power 104DegF
Peak: 12,000 Watts
Continuous: 10,000 Watts
MaxOpenCircuitVoltage
65 VDC
Engine
Caterpillar C1.5, 3-Cylinder, Liquid-Cooled Industrial Diesel Engine, 21.7 HP, 1500-1850 RPM, EPA Tier 4 Compliant.
 
Kubota V1505, 4-Cylinder, Liquid-Cooled Industrial Diesel Engine, 20.2 HP, 1500-1850 RPM, EPA Tier 4 Compliant.
 
Mitsubishi S4L2, 4-Cylinder, Liquid-Cooled Industrial Diesel Engine, 24.7 HP, 1500-1850 RPM, EPA Tier 4 Compliant.
Fuel Capacity & Fuel Type
Fuel: 11.5 gal. (43.5 L)
Oil: 6 qt. (5.7 L)
Coolant: 6 qt. (5.7 L)
Dimensions
H: 32 in. (813 mm)
W: 26.25 in. (667 mm)
D: 56 in. (1422 mm)
Sound Level
72.2 dB (97 Lwa)
ApplicationsConstruction 
Fabrication 
Field Maintenance and Repair 
Mechanical Contracting 
Rental 
Warranty True Blue With the best coverage in the industry, Miller's True Blue® Warranty [PDF] delivers unparalleled peace-of-mind.

Models

Stock # Manufacturer List Price US$    
BIG BLUE 300 PRO KUBOTA CC/CV, STARTING AID 907521 $14577.00  
  BIG BLUE 300 PRO CAT CC/CV  907144 $14654.00  
  BIG BLUE 300 PRO CAT CC/CV W/STARTING AID, BLOCK H  907144011 $14914.00  
  BIG BLUE 300 PRO CAT CC/CV, APPEAR PKG W/START AID  907144021 $15538.00  
  BIG BLUE 300 PRO MITSUBISHI CC/CV  907472 $14658.00  
  BIG BLUE 300 PRO MITSUBISHI CC/CV W/STARTING AID  907472001 $14917.00  
       

Most Popular Accessories

Stock# Manufacturer List Price US$   US and Canada Add to list

4 West Four-Wheel Steerable Off-Road Trailer

Heavy-duty 2570 lb (1166 kg) capacity trailer designed for use in mines, quarries, and other rough terrain. Has narrow 22 ft (6.7 m) turning radius. Includes 3 in lunette eye, universal hitch and safety chains. Note: Trailer is shipped unassembled.

042801$2770.00  

OFR-224 Trailer

A 2650 lb (1202 kg) capacity off road trailer. Welded steel tubing frame, heavy-duty axle with roller bearing hubs and leaf-spring suspension. The OFR-224 comes with jack stand and 2 in (50 mm) ball hitch. Note: Trailer is shipped unassembled.

043802$1785.00  
 View Accessories for OFR-224 Trailer   
 View Accessories for OFR-224 Trailer   
 Cable Tree043826$202.00  
 FENDER KIT (224 TRAILER)300160$320.00  
 DUAL HITCH,2"BALL/3"LUNETTE EYE300831$225.00 Buy Now
    

Hwy-224 Trailer

A 2650 lb (1202 kg) capacity highway trailer. Welded steel tubing frame, heavy-duty axle with roller bearing hubs and leaf-spring suspension. The Hwy-224 comes with jack stand, 2 in (50 mm) ball hitch, fenders and lights. Note: Trailer is shipped unassem

043805$2206.00  
 View Accessories for Hwy-224 Trailer   
 View Accessories for Hwy-224 Trailer   
 Cable Tree043826$202.00  
 FENDER KIT (224 TRAILER)300160$320.00  
 DUAL HITCH,2"BALL/3"LUNETTE EYE300831$225.00 Buy Now
    

Flame Arrestor Kit

Fuel cap can be padlocked to prevent vandalism. A built-in flame arrestor prevents flames or sparks from entering the fuel tank.

043947$660.00  
 

Cold Weather Starting Aid Kit

Includes 120 V block heater for Perkins 104.22/CAT 3024 engines.

195056$215.00  
 

Blue Protective Cover with Logo

Blue with Miller logo. Water resistant cover resists stains and mildew, and protects the finish of your welder. Cannot be used with roll cage option.

195301$303.00  

PRHC-14 Hand Control (14-pin plug)

Complete current or voltage control brings 120 volts GFCI power to work area in a single cord. Housed in a durable light aluminum case and includes 100 ft (30 m) cord with plugs.

195511$1165.00  

RHC-14 REMOTE HAND CONTROL W/CABLE 20 FT

Miniature hand control for remote current and contactor control. Dimensions: 4 x 4 x 3-1/4 in (102 x 102 x 82 mm). Includes 20 ft (6 m) cord and 14-pin plug.

242211020$273.00  

RHC-14 REMOTE HAND CONTROL W/CABLE 100 FT

Miniature hand control for remote current and contactor control. Dimensions: 4 x 4 x 3-1/4 in (102 x 102 x 82 mm). Includes 100 ft (6 m) cord and 14-pin plug.

242211100$443.00  
 

KIT,FILTER MITSUBISHI (S4L2) PRIOR TO MA250132E

244711$82.98  
 

KIT,FILTER CAT (C1.5) PERKINS (403-15)

246987$112.72  
 

KIT,FILTER MITSUBISHI (S4L2) EFF W/ MA250132E

252782$80.61  
 

KIT,FILTER KUBOTA V1505

253901$46.66  

Wireless Hand Control and 14 Pin Receiver

Improves productivity, eliminates clutter and cord tangles in the work area. Eliminates cord failure and associated downtime/repair costs and extends the welding range without adding cord extensions. Designed for tig, stick, and volt sensing wire feeder

300430$1060.00 Buy Now
 

SPARK ARRESTOR,MUFFLER

300585$225.00  
 

KIT,BLOCK HEATER 120V (MITSUBISHI S4L2)

300664$183.00  
 

KIT,ADAPTER WIRELESS REMOTE ANTENNA

300749$89.00  
       
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