Cummins Open Frame Diesel Generator 680kVA For Construction Engineering & Project Site Power
| Engine: | Cummins | Fuel Type: | Diesel |
| Coolingsystem: | Radiator Cooled | Cooling System: | 40℃ Standard Water Cooling Cycle |
| Cerificate: | ISO9001/ CE | Rated Voltage: | 400V/230V |
| Starting Method: | DC 24V DC Start | Oil Supply Method: | Direct Injection |
| Debugging Method: | Electronic Speed Regulation | Air intake Method: | Turbocharged Intercooler |
| High Light: | Cummins Open Frame Diesel Generator,Open Frame Diesel Generator 680kVA |
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Cummins K19 Series 680kVA Diesel Generator for Construction Engineering & Project Site Power
Product Overview
WOPUSAI Cummins K19 series 680kVA open-type diesel genset uses authentic Cummins KTAA19-G6A heavy-duty engine, paired with TFW top-spec all-copper brushless alternator. As the top configuration of K19 series, this unit reserves massive power capacity, coping with frequent heavy load switching and long-duration continuous operation. It is widely used for large industrial parks, big commercial complexes and large mining projects.
Product Showcase
Complete open-frame genset assembly, Cummins K19 series diesel engine unit, TFW brushless all-copper alternator, industrial control cabinet, full set of pipeline components and heavy-duty ultra-large water radiator.

Key Specifications
500kVA‑680kVA K19 series Cummins open frame unit |
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| Rated power | 400KW/500kVA | 460KW/575kVA | 500KW/630kVA | 550KW/688kVA |
| Rated current | 720A | 828A | 900A | 990A |
| Rated voltage | 400V/230V | |||
| Rated frequency | 50Hz | |||
| Rated speed | 1500rpm | |||
| Fuel consumption | 250g.KW/h | |||
| Dimensions | 3600*1400*2150mm | |||
| Unit weight | 3800KG | 4000KG | 4200KG | 4500KG |
| Noise index | 110dB | |||
| Model | KTA19-G3A | KTA19-G4 | KTAA19-G5 | KTAA19-G6A |
| Number of cylinders | 6L | |||
| Bore stroke | 159*1159mm | |||
| Exhaust volume | 18.9L | |||
| Starting method | DC 24V DC start | |||
| Cooling method | 40℃ standard water cooling cycle | |||
| Oil supply method | Direct injection | |||
| Debugging method | Electronic speed regulation | |||
| Air intake method | Turbocharged intercooler | |||
| Generator configuration | Brushless all copper | |||
| Brand/Model | TFW-400 | TFW-460 | TFW-500 | TFW-550 |
| Rated power | 400KW/500kVA | 460KW/575kVA | 500KW/630kVA | 550KW/688kVA |
| Insulation level | H | |||
| Protection level | IP 23 | |||
| Wiring method | Star connection | |||
| Adjustment method | AVR automatic voltage regulation | |||
| Power Factor |
0.8 lag
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Core Advantages
✅ Top-version KTAA19 heavy-duty engine, turbo intercooled design, strong anti-overload performance
✅ TFW all-copper brushless alternator, H insulation & IP23 protection, adapts to dusty and humid mine environments
✅ High-precision electronic speed governor, rapid response to load variation, tiny voltage fluctuation
✅ Oversized heavy-duty water cooling radiator, maintains stable temperature under continuous full load
✅ Reinforced integrated base frame, high-density shock pads, greatly reduce vibration transfer
🎯 Application Scenarios
- Large industrial park standby power supply
- Large mining project prime off-grid power
- Super shopping mall, large hospital emergency backup power
- Large port and infrastructure construction temporary power
⚙️ Optional & Customization
Silent enclosure, ATS auto transfer switch, multi-unit parallel control system, remote cloud monitoring, large volume base fuel tank.
📦 Packaging Standards
Steel frame packing, moisture-proof and shockproof protection, complete spare parts and operation manual.
🚛 Shipping & Delivery
Multiple transportation options. Engineering tender documents and test reports can be provided.
🏢 Brand Introduction
WOPUSAI Mechanical and Electrical focuses on R&D, assembly and sales of diesel generator sets. We strictly inspect each unit before shipment, provide professional after-sales service and global technical support.
