Description
Rusty excavator buckets and greasy manure spreaders reject delicate MIG wire feeds, demanding raw stick electrode arc force. The Forney Industries Green 230V 235A 235 AC/DC stick welder burns through thick contaminated steel on 230 Volt single-phase power. Built for heavy agricultural repair, this transformer delivers 235 Amps AC and 185 Amps DC, though its 108-pound steel chassis prevents hand mobility.
Heavy laminated silicon steel forms the central transformer core, wrapped with high-conductivity copper-wound secondary coils to maximize electrical arc stability. A front-mounted mechanical shunt crank allows infinite amperage adjustment across AC and DC ranges, moving iron shunt laminations without electrical switch failure. High-amp silicon diode rectifiers convert output current to smooth DC reverse polarity, reducing spatter while driving deep electrode penetration on dirty structural plate.
Industrial Stick Arc System Profile
Farm and heavy industrial fleet maintenance requires brute electrode burning power across rusted and contaminated metals. This heavy transformer platform combines selectable AC/DC output polarity with continuous mechanical amperage adjustment.
- 235 Amp AC Maximum Output burns large 5/32-inch diameter E6011 and E7018 electrodes.
- 185 Amp DC Output produces smooth, low-spatter weld beads with deep base metal penetration.
- Heavy Copper Wound Transformer Core resists thermal coil breakdown under sustained high-amp arc draw.
- Mechanical Shunt Output Control provides infinite amperage adjustments across the entire welding range.
- Heavy Gauge All Steel Cabinet isolates internal transformer components from harsh outdoor weather.
- High Amperage Electrode Holder clamps rods firm across multiple positions for vertical joint passes.
- Industrial Dinse Style Cable Plugs allow fast cable disconnection for secure shop storage.
Transformer Bench Heat Load Testing
Load bank testing at 185 Amps DC pulls 46 Amps on 230 Volt line service under sustained arc voltage of 27.4 Volts. Internal transformer winding temperatures rise to 172°F after 2 minutes of continuous electrode burning, matching the factory 20 percent duty cycle rating at maximum output. True open-circuit voltage measures 75 Volts on AC output and 68 Volts on DC output, providing fast arc strikes even with stubborn 7018 low-hydrogen rods. Cooling fan airflow measures 210 CFM through the louvered chassis.
Farm Fleet Maintenance Field Rules
The heavy steel base requires a wheeled running gear cart for shop movement, as lifting this unit unassisted risks severe back injury. Heavy equipment mechanics and cattle ranch operators gain unstoppable penetration through rusted steel, but contractors working on lightweight 20-gauge sheet metal will blow holes through the base metal without delay.
- Grease the internal mechanical shunt slide screw every 6 months using high-temperature grease.
- Blow accumulated metal grinding particles out of the transformer windings every 90 days.
- Inspect the electrode holder jaw insulation each week for heat cracking or carbon tracking.
Manufacturer Guarantee Pack Manifest
Forney backs this AC/DC welder with a 3-Year warranty covering the copper transformer and main rectifier components. The package includes the 235 AC/DC power source, heavy-duty electrode holder with 15-foot cable, ground clamp with 15-foot cable, 230 Volt industrial power cord, dinse cable connectors, and technical user guide.

