engine driven welder -4003/5.5
Machine Specifications
Rated Output400 A / 32.6 V DC
Output Range60 - 450 A
Open-Circuit Voltage100 V
Rated Output Period5 min
Rated Duty Cycle60%
Welding Operators1
Engine Specifications
Model-144-81 (-144-85)
Typediesel, 4 cylinder, air-cooled
Speed1800 rpm
Power50,0 HP
Fuel Tank Capacity14.8 US gal (56 l)

Typediesel, 4 cylinder, water-cooled
Speed1800 rpm
Power63.0 HP
Fuel Tank Capacity14.8 US gal (56 l)
Generator Specifications
Efficiency, at least74%
AC Generator Specifications
Speed3000 rpm
Load current18.2 A
Three Phase Output5.5 kVA / 380 V / 50 Hz
Dimensions and Weight
Trailertwo wheel trailer -755
Length137.8 in (3500 mm)
Width79.1 in (2010 mm)
Height86.6 in (2200 mm)
Net Weight2866 lb (1300 kg)

Length92.5 in (2350 mm)
Width51.2 in (1300 mm)
Height51.2 in (1300 mm)
Net Weight2116 lb (960 kg)

Specifications are the subject to change without notice. For further information please contact the sales department.

Single-operator air-cooled diesel engine driven welder with auxiliary AC generator -4003/5,5

Mobile version
Mobile version

Stationary version
Stationary version

  • The asynchronous brushless generator has no brushes, rings or rotating windings on the rotor, that results to the exceptional reliability while working under the very extreme operating conditions.
  • Two Great Engine Choices Select the 50 horsepower air-cooled -144 engine, or the 63 horsepower water-cooled -242 engine.
  • 14.8 gallons (56 litres) fuel tank capacity to work an extended day without refueling.
  • It provides added value at the job site by delivering up to 5,500 VA of AC auxiliary power for lights, grinders and other common tools.
  • It allows to weld and have access to AC power simultaneously the full 5,500 VA can be delivered while welding.
  • Rated for the conditions of the moderate climate with the ambient air temperature –49°F (–45°) to 113°F (+45°) and the relative humidity of air up to 98% at a temperature of 59°F (15°).
  • Attractive and durable red finish paint.
  • One year MERIDIAN warranty (engine is warranted separately by the manufacturer).

UkrSEPRO certificate UkrSEPROUA1.012.

See also other engine driven welders by MERIDIAN®.