Designed with the professional in mind, the Big Blue 400 Pro is the best for ease of use, reliability and fuel economy.
Heavy Duty Low-Speed CAT Industrial Diesel Engine
With the reliability you expect from Miller, the CAT C1.5T turbo-charged three-cylinder, liquid-cooled, industrial diesel engine is backed by world-class support and service through the global CAT dealer network.
Meter Maintenance Displays
- Fuel gauge
- Hour meter function
- Oil change interval
- High coolant temperature and low oil pressure shutdowns
- Low fuel shutdown - engine shuts down before system runs out of fuel, making restarts easy
Superior Arc Performance
Four preset DIG settings:
- (Stick) Hot Start™
- (Stick) Lift-Arc™
- TIG with Auto-Stop™
- Crater-out MIG/FCAW arc performance
Improves work site safety and communication.
Requires no elaborate procedure - just select process and weld!
Auto Remote Sense (ARS)
Detects if a remote control is plugged into the 14-pin receptacle and eliminates confusion of a remote/panel switch.
Thermal Overload Protection
Prevents machine damage if the duty cycle is exceeded or airflow is blocked.
Other Standard Features
Digital preset weld meters, output contactor control, and automatic idle.