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Engineering the Standard for 60Hz Power Generation
The CCEC Cummins KTA19-G4 is a heavy-duty, 19-liter, inline 6-cylinder diesel engine engineered specifically for high-demand power generation. Rated at 507kW (680HP) prime power and 563kW standby at 1800 RPM, this specific model is tailored for 60Hz markets. Unlike lighter commercial engines, the KTA19-G4 159x159 engine block is built with cast-iron durability, making it a cornerstone for industrial facilities that cannot tolerate downtime.
As a leading genuine KTA19-G4 507kW engine supplier, HekoPower frequently consults with facility engineers and procurement teams who need more than just standard specifications. Understanding the nuances of this KTA19-G4 G-Drive engine ensures you select the correct power node for your specific operational environment.
Tech Specs of Cummins KTA19-G4 507KW
General Engine Data
Engine Model: Cummins KTA19-G4-507KW
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 19 L
Bore * Stroke: 159 * 159
Net Weight: 1927 Kg
Overall Dimension: 1324mm*835mm*1183mm
Key Performance Data
Standby Power/Standby Output: 507 kW/679HP, 563 kW/754HP
Rated Speed: 1800 rpm
Low Idle Speed: 675-775 rpm
Fuel Consumption @ Rated Power: 120 L/Kw.h
Continuous Output/Speed: 429 kW/575HP @ 1800 rpm
More Technical Data
Engine Exhaust Manifold: Optional for Wet Exhaust manifold Heat exchanger
Aspiration: Turbocharged/Aftercooled
Compression Radio: 14.5:1
Fuel System: Cummins PT Pump, Direct Injection
Starting System: Electrical starting motor (24V)
Cooling Method: Water cooling
Lowest Starting Temp (Without auxiliary system): -12℃
Governor Type: Mechanical Control
Technical Comparisons: Understanding the K19-G Series Nuances
When evaluating a 507KW Cummins generator engine, buyers often face confusion regarding similar models within the CCEC lineup. Because we supply the entire range, it is critical to clarify how the KTA19-G4 differs from its closest counterparts.
KTA19-G4 vs KTA19-G3A at 507kW
A common misconception is that the KTA19-G4 and the KTA19-G3A are fundamentally different engines because they carry different model designations. In reality, when operating at 1800 RPM (60Hz), both engines output an identical 507kW prime and 563kW standby. The hardware—down to the block and crankshaft—is virtually identical. The core difference lies in the engine's fuel mapping and governor tuning. The G3A is typically optimized for prime and continuous duty cycles, offering a slightly flatter fuel consumption curve over long operational hours at partial loads. Conversely, the KTA19-G4 is inherently tuned for rapid load acceptance, making it the superior choice for emergency standby scenarios where the engine must instantly ramp up to manage sudden electrical loads.
KTA19-G4 vs KTAA19-G5 (Charge Air Cooling Differences)
Another vital comparison is the aspiration and cooling methodology. The KTA19-G4 turbocharged aftercooled engine uses a jacket water aftercooler (JWAC). This means the engine coolant is used to cool the compressed air coming from the turbocharger before it enters the intake manifold. On the other hand, the KTAA19-G5 uses an Air-to-Air (TAA) charge cooling system, which requires a larger radiator setup mounted in front of the engine to cool the intake air directly with ambient air. For operators dealing with tight enclosure spaces or retrofitting an older canopy, the jacket water cooling of the KTA19-G4 is often much easier to package and install, even if the Air-to-Air models offer slightly higher power density.
1500 RPM vs 1800 RPM Operations
It is crucial to note that while this engine can technically be governed to 1500 RPM for 50Hz applications, doing so drops the prime power rating down to 448kW. If your project specifically requires a 507kW standby diesel generator engine, you must operate the KTA19-G4 at 1800 RPM for a 60Hz electrical system. Attempting to draw 507kW at 1500 RPM will result in severe engine overload and exhaust gas temperature spikes.
Real Application Scenarios and Retrofitting
The reliability of the 680HP Cummins PT Pump Direct Injection engine makes it highly versatile. HekoPower supplies this engine to OEMs and end-users for a variety of demanding environments.
KTA19-G4 Engine for Data Center Generator: Data centers require Tier-level reliability and near-instantaneous startup times. Because the KTA19-G4 relies on the mechanical PT fuel system rather than ultra-sensitive common rail electronics, it is immune to certain electrical faults and electromagnetic interference, ensuring the servers stay powered during a grid collapse.
KTA19-G4 Engine for Mining Generator: In remote mining sites where fuel quality can fluctuate, the robust nature of the PT injector is highly forgiving compared to modern electronic injectors. The mechanical governor type can easily be fitted with an electronic actuator (such as an EFC governor) to provide the precise isochronous speed control required for synchronizing multiple mining gensets.
KTA19-G4 Replacement for Old Generator: One of the most common requests we receive as a Cummins KTA19-G4 507kW supplier in China is for repowering projects. If you have an aging 500kW to 550kW generator with a failed engine but a perfectly functional alternator (like a Stamford or Leroy Somer), a KTA19-G4 507kW genset retrofit is highly cost-effective. The standard SAE 0 flywheel housing makes it a drop-in replacement for most industrial alternators, saving tens of thousands of dollars compared to buying a completely new generator set.
Maintenance and Lifespan Optimization Tips
To achieve maximum longevity and maintain optimal Cummins KTA19-G4 507KW fuel consumption, operators must adhere to strict maintenance intervals.
The heart of this engine is the KTA19-G4 PT fuel pump engine system. Unlike electronic engines that auto-calibrate, the PT pump relies on precise fuel pressure regulated by the gear pump and throttle shaft. We strongly advise that operators do not adjust the PT pump settings in the field to try and squeeze out more horsepower. Altering the pressure-time calibration without a proper test bench will lead to over-fueling, black smoke, and cylinder wash-down. Always rely on genuine Cummins KTA19 engine parts and assembly kits when rebuilding the pump.
Additionally, pay close attention to the KTA19-G4 cooling system. Because this is a wet-liner engine, cavitation (liner pitting) can occur if the coolant chemistry is ignored. Always use a high-quality supplemental coolant additive (SCA) to maintain the protective film on the outside of the cylinder liners. Replacing the water filter at every standard oil change interval is the easiest way to prevent catastrophic coolant leaks into the oil pan.
As a comprehensive KTA19-G4 507kW engine exporter, HekoPower does not just supply standalone units; we provide full-spectrum support across the entire Cummins 19-liter family. Depending on your frequency requirements and power nodes, you may find that a slightly larger or smaller configuration better suits your specific alternator.
As a professional CCEC Cummins KTA19-G4 507KW supplier, HekoPower offers a full range of CCEC K19-G series diesel engines, including KTA19-G2-336KW, KTA19-G3-403kW, KTA19-G3A-448kW, KTA19-G4-448KW, KTAA19-G5-502KW, KTAA19-G6-570KW, KTAA19-G6A-610KW, KTAA19-G7-610KW, KTA19-G2-392KW, KTA19-G3-463KW, KTA19-G3A-507KW, KTA19-G4-507KW, KTAA19-G5-555KW, KTAA19-G6-620KW, KTAA19-G6A-664KW, KTAA19-G7-664KW, KTAA19-G8-575KW.
Frequently Asked Questions (FAQs)
What is the KTA19-G4 fuel consumption at full load?
When operating at its prime rating of 507kW (1800 RPM), the engine consumes approximately 122 liters per hour (32.3 U.S. gallons/hour). At a 50% load, consumption drops efficiently to around 65 liters per hour. Maintaining clean air filters and properly calibrated injectors is vital to hitting these factory benchmarks.
Can I use a KTA19-G4 507kW engine for a 50Hz generator?
Yes, but with a severe power penalty. If you drop the engine speed from 1800 RPM to 1500 RPM to produce 50Hz power, the engine's prime power output drops from 507kW to 448kW. If you need exactly 500kW of power at 50Hz, you will need to step up to an air-to-air model like the KTAA19-G5 or G6.
What is the difference between the 507kW and 563kW rating on the KTA19-G4 technical data sheet?
The 507kW rating is the Prime Power output, meaning the engine can run at this load continuously for an unlimited number of hours (with a 10% overload allowed for 1 hour every 12 hours). The 563kW rating is the Standby Power output, designed strictly for emergency use during utility outages. There is no overload capability at the standby rating, and it should not exceed 200 hours of operation per year.
Is it easy to find KTA19-G4 60Hz replacement engine parts?
Absolutely. One of the primary advantages of buying a KTA19-G4 507kW diesel engine is the global ubiquity of the K-series architecture. Whether you need a replacement water pump, cylinder head, or PT injector, HekoPower maintains a massive inventory of genuine spares ready for global dispatch, ensuring your facility's downtime is kept to an absolute minimum.
