View and Submit Quote

New Product Added to Quote Request

Model
Close

Rental Equipment

D503K 5+3HO Diesel Engine Welder

D503K 5+3HO Portable Diesel WelderD503K 5+3HO portable trailer welder

Top Features

  • Full Range Amperage Control
  • Job Selector (OCV) Control
  • New High Output Generator and Engine
  • Fuel Efficient V3300EBG Kubota Diesel Engine
  • 3,000 Watts Auxiliary Power
  • Processes: Stick (SMAW), TIG (GTAW), MIG (GMAW), Air Carbon Arc Cutting, Flux-Cored (FCAW)

High output version of the tried and true D503K delivers up to 600 amps for the most demanding applications. The pure DC generator provides outstanding stick welding characteristics with lots of power for larger diameter electrodes and air carbon arc gouging.


   D503K 5+3 HO Spec Sheet
English PDF2   D503K 5+3 HO Operator Manual
English PDF3   D503K 5+3 HO Parts Manual

Product Details

Specifications

DC Amperage Range: 40 - 600 A
Maximum OCV: 98
Rated Output: 520 A at 36 VDC 60% duty cycle
400 A at 40 VDC 100% duty cycle
Auxiliary Power: 3,000 watts, 60 Hz, 15 amps with circuit breaker
Fuel Capacity: 15 gallons (57 L)
Fuel Consumption: 1.8 GPH (6.81 LPH) at rated load
Weight: 2,038 lb (924.4 kg)
Dimensions: H: 44.25" (1124 mm) W: 27" (686 mm) L: 73.5" (1867 mm)

Processes

Stick (SMAW)
TIG (GTAW)
MIG (GMAW)
Air Carbon Arc Cutting
Flux-Cored (FCAW)

Additional Features

The D503K 5+3HO diesel powered DC arc welder offers excellent welding characteristics, built for demanding jobs that call for high amperage capabilities. Available with a CV wirefeed Module to provide excellent voltage control for semi-automatic wire electrode welding and other open-arc welding processes.

Features

  • Extreme-Duty™ protective frame
  • Fuel efficient V3300EBG Kubota diesel engine
  • Low engine noise level
  • Copper wound generator provides excellent welding characteristics
  • One side service (ideal for truck mount)
  • Engine preheat provides excellent cold weather starting (no ether required)
  • Automatic engine shutdown protection for low oil pressure and high temperature
  • Self-bleeding fuel system
  • Heavy duty battery
  • Engine hour meter, ammeter, water temperature gauge
  • CSA approved
  • Remote control receptacle (optional remote control cable available)

All Product Resources

Options, Accessories and Related Equipment

Options
CV Wirefeed Module
Remote control
Highway trailer with Rubber-Ride-Axle™ (ball-type or military hitch connections)
240 VAC receptacle
TIG welding with K930-2 TIG module

Related Equipment
LN25 wirefeeder
LN23P wirefeeder
LN7 wirefeeder
LN8 wirefeeder
RC4 remote control

D503K 5+3HO Diesel Engine Welder

Quantity:
Interest:
RadDatePicker
RadDatePicker
Open the calendar popup.
RadDatePicker
RadDatePicker
Open the calendar popup.
Feedback

1-866-RED-D-ARC(1-866-733-3272)

Credit Card Icons
Airgas

Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading supplier of ammonia products and process chemicals.