Cummins K19 Series 500kVA-680kVA Open Frame Diesel Generator for Manufacturing Plants & Industrial Use
| 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: | Open Frame 500kVA Diesel Generator,Open Frame Diesel Generator 500kVA,Open Frame Emergency Standby Generator |
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Cummins K19 Series 500kVA-680kVA Open Frame Diesel Generator for Manufacturing Plants & Industrial Use
Product Overview
The WOPUSAI Cummins K19 series 500kVA‑680kVA diesel generator set adopts genuine Cummins K19 series inline 6‑cylinder water‑cooled heavy‑duty industrial diesel engine, matched with Foshan Stanford TFW brushless all‑copper synchronous alternator. This ultra‑power open‑frame genset delivers stable prime power for continuous‑operation and mission‑critical emergency backup scenarios. Adopting turbocharged intercooled intake and direct‑injection fuel system, the unit features powerful load‑impact resistance and outstanding long‑term running stability. The heavy‑duty open‑frame design reserves abundant modification space, which is well‑suited for large‑scale factories, data centers, mining zones, industrial parks and high‑capacity central standby power stations.
Product Showcase
Complete open‑frame genset assembly, Cummins K19 series diesel engine unit, TFW brush‑less all‑copper alternator, industrial‑grade heavy‑duty control cabinet, complete piping assembly and oversized water cooling radiator.

Key Specifications
500kVA‑680kVA K19 series Cummins open frame unit |
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| Rated power | 400KW/500kVA | 460KW/575kVA | 500KW/680kVA | 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/680kVA | 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
- Genuine Cummins K19 Heavy‑Duty Industrial Powertrain The Cummins K19 18.9L engine is a world‑class heavy‑duty power platform for high‑power generator projects. Turbocharged intercooled structure brings tremendous power output and excellent heat dissipation performance. Thickened reinforced cast‑iron cylinder block can withstand long‑time full‑load continuous operation. Direct‑injection fuel system realizes reliable combustion performance, convenient spare‑part maintenance, and full support from Cummins global spare‑parts service network.
- Foshan Stanford TFW Brushless All‑Copper Alternator Brushless excitation removes carbon‑brush wear‑and‑tear failure points, greatly reducing maintenance pressure for 24‑7 non‑stop power supply projects. 100% pure‑copper winding provides superior heat dissipation capability and strong anti‑overload performance. Built‑in AVR automatic voltage regulator keeps stable voltage output, effectively protecting data‑center servers, large‑scale production equipment and heavy‑industry power‑consuming devices. H‑class insulation and IP23 protection grade adapt to harsh outdoor and mining field working conditions.
- Precision Electronic Speed Governing System Electronic governor responds rapidly to sharp load changes, stabilizing rotating speed and output frequency. Optimized direct‑injection fuel system reduces carbon‑deposit accumulation and extends engine overhaul cycle. DC24V heavy‑duty electric starting guarantees reliable startup under various complex ambient‑temperature environments.
- Super‑heavy‑duty Integrated Welded Base & Practical Maintenance Layout High‑strength heavy‑duty one‑piece welded base bears the huge weight of the unit and suppresses strong mechanical vibration effectively. Oil filling ports, filter replacement positions and inspection access points are reasonably arranged for convenient on‑site inspection and component replacement. Every finished genset completes strict full‑load aging test before delivery, to verify all mechanical and electrical performance indexes.
- Rich Customization Options For Large‑scale Industrial Projects Open‑frame layout reserves sufficient installation space for auxiliary accessories. It can be fitted with silent canopy, ATS automatic transfer cabinet, remote cloud monitoring module and large‑capacity extended fuel tank, meeting diversified power‑supply demands of mining, data center, heavy‑manufacturing and industrial‑park projects.
🎯 Application Scenarios
‑ Large heavy‑manufacturing factories, giant production base standby power supply
‑ Data centers, communication hub emergency backup power
‑ Open‑pit mines, large engineering field temporary power supply
‑ Industrial parks, comprehensive chemical plants power backup ‑ Large‑scale commercial parks, remote area central off‑grid power stations
⚙️ Optional & Customization
‑ Silent canopy / sound‑insulated enclosure
‑ ATS automatic transfer switch for auto‑start & mains‑failure auto‑switch
‑ Multi‑protection intelligent control cabinet, remote cloud monitoring module
‑ Large‑capacity extended fuel tank, cold‑region preheating device
📦 Packaging Standards
Export‑grade heavy‑duty iron frame packaging, anti‑rust coating for metal surfaces. Complete operation manual, spare‑parts kit are included inside the package.
🚛 Shipping & Delivery
Support full container and LCL transportation. Available for FOB, CIF and other international trade terms. Production lead‑time subject to order quantity, negotiable delivery schedule for bulk orders.
🏢 Brand Introduction
WOPUSAI Mechanical and Electrical WOPUSAI focuses on R&D, assembly and global supply of industrial diesel generator sets. We maintain long‑term strategic cooperation with Cummins, Shangchai Power, Yuchai and other well‑known engine manufacturers. Our product portfolio ranges from small portable gensets to large‑scale heavy‑duty industrial power equipment. Strict quality inspection runs through every production procedure. We provide worldwide customers with full‑set solutions covering model‑selection guidance, technical consultation and after‑sales support.
Introduction of Cummins Engine Cummins is a world‑renowned internal‑combustion engine manufacturer. The K19 series 18.9L heavy‑duty engine enjoys worldwide high recognition, featuring ultra‑strong heavy‑load resistance, durable mechanical property and complete global spare‑parts service network. Widely adopted on generator sets and heavy‑engineering machinery, it is the preferred power solution for numerous large‑capacity genset projects.
