Dual-Function Workhorse: 300A Industrial Welding Power & 208kVA Continuous Field Electricity
The AC166-T 300A Diesel Welding Generator is engineered specifically for heavy-duty field operations where mobility, multi-process welding, and high-capacity electrical output are non-negotiable. Powered by an industrial-grade Chongqing Cummins (CCEC) engine and integrated into a rugged chassis, this unit functions simultaneously as a high-precision 300A weld power genset and a 208kVA prime power supply for remote job sites.
Whether deployed for pipeline maintenance, oilfield infrastructure repairs, or remote structural steel construction, the AC166-T eliminates the need to haul separate welding machines and heavy power generators to off-grid locations.
Technical Specifications: CCEC Cummins Engine & Generator Unit
| Feature / Specification | Technical Parameters |
| Genset Model | AC166-T |
| Prime Power Rating | 208 kVA / 166 kW |
| Standby Power Rating | 228 kVA / 182 kW |
| Welding Current Range | 50A – 300A DC (Continuous Duty Cycle) |
| Engine Manufacturer | Chongqing Cummins Engine Co., Ltd. (CCEC) |
| Engine Series / Model | CCEC 6CT / 6L / NT Series (Heavy-Duty Industrial) |
| Aspiration & Cooling | Turbocharged, Water-Cooled / Heavy-Duty Radiator |
| Engine Speed / Frequency | 1500 RPM @ 50Hz / 1800 RPM @ 60Hz |
| Governor Type | Electronic Speed Governor |
| Fuel System | Direct Injection / High-Pressure Fuel Pump |
| Configuration Options | Stationary Skid-Mounted or Heavy-Duty Mobile Trailer |
Key Benefits for Remote Construction & Field Operations
1. Simultaneous Welding & Power Generation
Equipped with dual output architecture, the AC166-T provides a dedicated 300A DC arc welding output while concurrently delivering up to 208kVA three-phase AC power. Field crews can run structural MIG/TIG/MMA welding torches while powering site lighting, heavy-duty angle grinders, plasma cutters, and auxiliary site offices from a single fuel source.
2. Built Around Heavy-Duty CCEC Cummins Reliability
The CCEC Cummins diesel engine platform is famous worldwide for exceptional low-end torque, extreme temperature tolerance, and simple mechanical/electronic serviceability. Featuring high dust tolerance and heavy-duty fuel filtration, the engine is optimized to handle high-sulfur diesel and non-stop 24/7 continuous duty without overheating or power derating.
3. Highly Maneuverable Mobile Trailer Design
As a flagship model in our Trailer Genset category, the AC166-T can be outfitted with a multi-axle, high-clearance towable trailer. Designed for unpaved terrain, mud, and gravel, the trailer configuration features a reinforced drawbar, mechanical braking, and a lockable weatherproof canopy for easy transport between remote construction segments.
Engineered for Harsh Field Environments & Extreme Applications
The AC166-T construction site welding machine is structurally reinforced to thrive in off-grid environments where grid power is unreliable or completely absent:
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Oil & Gas Pipeline Maintenance: Provides stable DC welding arcs for thick-wall pipe joint welding along remote right-of-ways, while powering automated pipe-bending and inspection tools.
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Infrastructure & Bridge Construction: Delivers high-amperage current for heavy structural steel fabrication and continuous power for site concrete mixers and cranes.
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Mining & Heavy Fleet Field Repair: Serves as a mobile emergency rescue unit for hard-facing bucket repairs, heavy machinery frame welding, and site equipment maintenance.
Proven Regional Performance: West Africa & Beyond
Operating in challenging tropical climates requires equipment with proven heat dissipation and high fuel adaptability. Similar to our heavy-duty industrial installations—such as our Nigeria Plastics Factory Power Generation Case—our power units are built with anti-corrosion treated enclosures and tropicalized copper radiators to ensure zero downtime during peak ambient temperatures.
For engineering contractors across Nigeria, Ghana, and broader African infrastructure markets, the AC166-T provides an economical, all-in-one energy backbone that minimizes logistics overhead and fuel consumption.
Frequently Asked Questions (FAQ)
Q: Can the AC166-T support continuous 300A welding while supplying 3-phase AC power?
A: Yes. The alternator and engine governor system are designed to handle dynamic load shifts, allowing simultaneous 300A DC welding and auxiliary AC site power without voltage sag or arc instability.
Q: Is the mobile trailer suitable for highway towing and rough terrain?
A: Absolutely. The optional trailer chassis comes equipped with heavy-duty leaf spring suspension, off-road tires, integrated tail lights, and a rugged towing eye compatible with standard trucks and tractors.
Q: Where can I source replacement parts for the CCEC Cummins engine?
A: Chongqing Cummins (CCEC) parts are globally standardized. Filters, injectors, belts, and overhaul kits are readily available through local distributor networks worldwide, including throughout West Africa and the Middle East.
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