Big Blue 350 PipePro (Mitsubishi)


Next-generation, rugged, low speed diesel welder/generator designed for the transmission pipeline contractor.


Product Description

Easy to Use!
Simple controls make it easy to setup and weld.
Heavy-Duty Low-Speed Mitsubishi S4L2 Industrial Diesel Engine
Used in industrial applications around the world, the S4L2 is designed to run 10,000 hours before major overhaul. Backed by worldwide support and service.
Multi-function Fuel Gauge & Engine Coolant Temperature Meter
Displays fuel level and engine hours, and can be customized to set oil change interval reminders. In the case of high coolant temperature, low oil pressure, or low fuel level, the engine will shut down to prevent damage, or make restarting easier.
Superior Arc Performance
Hot Startâ„¢ Stick, adjustable arc control, and Lift-Arcâ„¢ TIG with Auto-Stopâ„¢, allows welders to fine-tune their arc characteristics for optimal performance.
LINE-X® Cover
Workbench tough – provides superior impact, corrosion and abrasion protection.
Low OCV Stick (VRD)
Reduces the open-circuit voltage to 15 volts when the welding power source is not in use, increasing operator safety without compromising arc starts.
Auto Remote Sense (ARS)
Detects if a remote control is plugged into the 14-pin receptacle and eliminates confusion of a remote/panel switch.
Other Standard Features
Digital preset weld meters, output contactor control, automatic idle and 120V block heater.


  • Air Carbon Arc Cutting and Gouging (CAC-A)
  • Flux Cored (FCAW)
  • MIG (GMAW)
  • Stick (SMAW)


General Specifications

Title Big Blue 350 PipePro (Mitsubishi)
Industries Interests Construction
Cross Country Pipeline
Maintenance and Repair – Field Operations
Pipe Fabrication / Construction
Cold Weather Starting Aids Engine Block Heater
Glow Plugs
Engine Brand Mitsubishi
Engine Compliance T4F
Engine Idle Speed 1500 RPM
Engine Weld Speed 1800 RPM
Fuel Tank Size 11.5 Gallon
Fuel Type Diesel
Horsepower 24.7 hp
Weldable Metals Stainless Steel
Rated Output 300 A at 32 V, 100% duty cycle
Single Phase Generator Continuous Power 10000 W
Single Phase Generator Peak Power 12000 W
Sound Rating Idle: 68.7 dB / Weld: 72.1 dB
Carbon Diameter 1/4 in (6.4 mm)
Current Type DC
Max Open Circuit Voltage 85 VDC
Amperage Range 20 – 400
Net Width 26.25 in
Net Height 32 in
Net Length 56 in
Net Weight 1018 lbs
Portability Lift Eye (Standard)
Trailer (Optional)


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