The GEDW-200 Diesel Engine Driven Welder Generator is a rugged, dual-purpose machine engineered for demanding field operations where grid power is unavailable or unreliable. It combines a high-performance 200A DC arc welder with a 5KW AC auxiliary generator in a single compact unit, delivering exceptional versatility for pipeline construction crews, mining maintenance teams, agricultural repair workshops, and emergency response operations. The integrated design eliminates the need for separate welding and power generation equipment on remote job sites, significantly reducing transportation costs and setup time while maximizing operational efficiency. Built around a proven single-cylinder air-cooled diesel engine and a brushless copper-wound permanent magnet alternator, the GEDW-200 offers outstanding arc stability, fuel economy, and long service life even under continuous heavy-duty cycling. Its portable frame construction with integrated lifting eye and optional wheel kit enables rapid deployment across rough terrain and confined workspaces, making it the preferred choice for contractors who demand uncompromised performance in harsh outdoor environments.
Key Features of the GEDW-200 Diesel Welder Generator
- Dual-Purpose Welding and AC Power Output: The integrated design provides 200A DC welding capability for stick electrode and TIG scratch-start processes while simultaneously delivering 5KW of clean 230V AC auxiliary power for lighting, angle grinders, drills, and other essential site tools, eliminating the need for a separate generator on the work site.
- Brushless Copper-Wound Permanent Magnet Alternator: Unlike conventional brushed alternator designs that require frequent maintenance, the brushless permanent magnet technology eliminates brush wear, reduces internal resistance losses, and achieves up to 90% energy conversion efficiency. The 100% copper winding ensures superior conductivity, cooler operation under sustained load, and extended alternator lifespan exceeding 15,000 service hours.
- Intermediate Frequency Three-Phase Rectification: The advanced rectifier module converts alternator output to ultra-smooth DC welding current with ripple below 3%, producing an exceptionally stable arc with minimal spatter and excellent bead appearance. Fast transient response within 3 milliseconds ensures consistent penetration control even when electrode stick-out varies during positional welding.
- Proven Air-Cooled Diesel Engine Platform: Powered by a robust single-cylinder 4-stroke direct injection diesel engine with 496cc displacement, the power unit delivers reliable starting in temperatures from -15°C to 50°C. The air-cooled design eliminates coolant system complexity and freeze damage risks, making the machine ideal for remote locations with limited maintenance infrastructure. Fuel consumption as low as 1.2 liters per hour at 60% duty cycle ensures full-day operation on a single 12.5L tank fill.
- Dual Start System with 12V Electric and Recoil Backup: Standard 12V electric start with maintenance-free battery provides push-button convenience for daily operation, while the integrated recoil pull-start mechanism serves as a reliable backup when the battery is depleted or in sub-zero cold start conditions. This redundant starting architecture ensures the machine is always deployable regardless of battery charge state.
- Wide Electrode Compatibility and Precise Amperage Control: The stepless current adjustment from 60A to 200A accommodates electrodes from 1.6mm to 5.0mm diameter including E6010, E6011, E6013, E7016, and E7018 types. The fine-tuning amperage dial with clear scale markings allows welders to dial in exact heat input for thin-wall pipe root passes as well as heavy structural fillet welds without overshoot or arc instability.
- Heavy-Duty Roll Cage Frame with Integrated Protection: The all-steel tubular frame with powder-coated finish provides 360-degree impact protection for critical components including the fuel tank, control panel, engine, and alternator. The integrated lifting eye rated at 500kg capacity and forklift pockets on the base frame ensure safe handling during loading, transport, and site positioning.
Technical Specifications
| Parameter |
Specification |
| Model | GEDW-200 |
| Welding Current Range | 60 - 200A DC |
| Welding No-Load Voltage | 89V |
| Welding Working Voltage | 22 - 32V |
| Welding Duty Cycle | 60% at 200A |
| Electrode Diameter Range | 1.6 - 5.0mm |
| Power Factor (cos φ) | 1.0 |
| AC Auxiliary Output | 5KW / 230V / 50Hz |
| AC Output Sockets | 2 x 16A Industrial Socket |
| Engine Type | Single-Cylinder, 4-Stroke, Air-Cooled, Direct Injection Diesel |
| Engine Displacement | 496cc |
| Bore x Stroke | 92mm x 75mm |
| Rated Engine Speed | 3000 rpm (50Hz) / 3600 rpm (60Hz) |
| Fuel Type | 0# or -10# Light Diesel |
| Fuel Tank Capacity | 12.5 Liters |
| Fuel Consumption | ≤1.2 L/h at 60% Duty Cycle |
| Lubrication Oil Capacity | 1.65 Liters |
| Start Method | 12V Electric Start with Recoil Backup |
| Alternator Type | Brushless Copper Wound Permanent Magnet, 3-Phase |
| Alternator Efficiency | ≥90% |
| Insulation Class | Class H (180°C) |
| Protection Class | IP23 |
| Noise Level at 7m | <72 dB(A) |
| Overall Dimensions (L x W x H) | 1020mm x 620mm x 720mm |
| Net Weight | 185kg |
| Gross Weight | 210kg |
Field Applications
The GEDW-200 Diesel Welder Generator is purpose-built for the most demanding field environments where reliable welding and auxiliary power are critical to project success. Pipeline construction and repair crews rely on its consistent 200A DC output for root pass, hot pass, and cap pass welding on carbon steel pipelines ranging from 4-inch to 48-inch diameter, with the auxiliary AC power running beveling machines, dehumidifiers, and job site lighting simultaneously.
Mining and quarry maintenance teams deploy the unit for on-site bucket repair, conveyor frame welding, and heavy equipment structural reinforcement, where its compact footprint and lifting eye enable positioning in tight service bays and elevated platforms. Agricultural equipment dealers and mobile repair services use the GEDW-200 for in-field tractor implement repair, irrigation pipe welding, and grain handling equipment maintenance, benefiting from the machine's ability to operate continuously on readily available diesel fuel without external power.
Construction contractors working on bridge, tunnel, and high-rise projects value the dual output capability for steel reinforcement cage welding during concrete form preparation while powering vibrators and portable concrete mixers on upper floors where temporary power distribution is impractical. Emergency and disaster response organizations stock the GEDW-200 in their mobile workshop fleets for rapid deployment to areas affected by earthquakes, floods, or hurricanes, where the self-contained diesel-powered unit restores critical welding and electrical capability without depending on compromised grid infrastructure. Rail track maintenance crews utilize the generator's AC output to power rail cutting saws and hydraulic tamping tools while performing thermite weld preparation and aluminothermic joint finishing on mainline and siding tracks.
Packaging and Quality Assurance
Each GEDW-200 Diesel Welder Generator undergoes a comprehensive factory acceptance test before shipment, including full-load welding performance verification across the entire 60-200A current range, AC auxiliary output load bank testing at rated 5KW capacity, insulation resistance measurement exceeding 5 megaohms at 500V DC, and a minimum 2-hour continuous run-in cycle with thermal imaging inspection of all critical components.
Every unit is drained of fluids for transport safety and packed in an export-grade 18mm plywood case with internal VCI anti-rust film protection, reinforced steel corner brackets, and shock-absorbing foam cradles securing the machine against vibration and impact during containerized ocean freight. Desiccant packs are placed inside the control panel and terminal box enclosures to prevent condensation damage during maritime transit through tropical humidity zones.
The standard scope of delivery includes the welder generator unit, 12V maintenance-free starting battery, electrode holder with 3-meter cable, earth clamp with 3-meter cable, operator toolkit containing spark plug wrench, fuel filter wrench, and screwdriver set, plus a printed English operation and maintenance manual with detailed wiring diagrams and exploded parts drawings.
Genor provides an 18-month or 1,500-hour limited warranty covering manufacturing defects in materials and workmanship on the engine, alternator, and control system components. Global spare parts support is maintained through regional distribution centers in the Middle East, Southeast Asia, Africa, and South America, ensuring that consumable items including fuel filters, air filter elements, oil filters, rectifier diodes, and AVR modules are available for dispatch within 48 hours of order confirmation.
Genor's ISO 9001:2015 certified manufacturing facility in Fujian Province, China, employs statistical process control, coordinate measuring machine inspection, and computerized engine dynamometer testing to ensure every GEDW-200 meets the same exacting standards of performance and durability trusted by contractors in more than 60 countries worldwide. Our dedicated after-sales engineering team is available via email and video call to provide remote troubleshooting, installation guidance, and preventive maintenance scheduling to maximize equipment uptime throughout its operational life.
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