Details
Original CCEC Cummins KTA19-G4 Engine: 448kW Prime Power
When engineering a highly reliable 500kVA to 560kVA generator set, procurement teams demand uncompromised performance. As an authorized Cummins G-Drive engine supplier, HekoPower provides the original CCEC KTA19-G4 prime power engine for global industrial applications. Built at the Chongqing Cummins Engine Company (CCEC), this heavy-duty 18.9L motor is designed for sustained operation in the harshest environments. Whether you are assembling a new power plant or sourcing a KTA19-G4 replacement engine 448kW for an aging fleet, this exact model delivers the mechanical stability required for critical power applications.
Tech Specs of KTA19-G4 448KW
General Engine Data
Engine Model: Cummins KTA19-G4-448KW
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
Rated Power/Standby Power: 448 kW/600HP, 504 kW/675HP
Rated Speed: 1500 rpm
Low Idle Speed: 675-775 rpm
Fuel Consumption @ Rated Power: 107 L/Kw.h
Continuous Output/Speed: 355 kW/475HP @ 1500 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
Core Mechanics and Output Specifications
The 18.9L Cummins KTA19-G4 is a heavyweight 6 cylinder diesel engine built on a proven inline block. Featuring a robust 159mm x 159mm engine bore and stroke, it is engineered for exceptional mechanical durability. The system operates as a Cummins KTA19-G4 water cooled diesel engine, utilizing a jacket water aftercooling system rather than air-to-air cooling.
Output ratings are strictly defined to guarantee long-term operational health. The KTA19-G4 448kW prime power rating represents its capability to run continuously under variable electrical loads, matching exactly to 600HP at a steady 1500 RPM. For emergency backup scenarios, the KTA19-G4 504kW standby power rating provides a brief surge capacity. When dealing with base-load requirements where the generator runs 24/7 without variation, operators should refer to the KTA19-G4 355kW continuous power threshold.
Engineering the Fuel and Cooling Systems
One of the primary reasons engineers request this specific model is the Cummins KTA19-G4 PT fuel pump engine configuration. The PT (Pressure-Time) system relies on mechanical direct injection. This makes it highly tolerant of the lower-quality diesel fuels often found in remote mining or construction sites, completely bypassing the extreme sensitivities of modern high-pressure common rail systems.
Buyers must account for KTA19-G4 448kW engine heat dissipation requirements when designing the generator canopy. Because it is a turbocharged aftercooled diesel engine utilizing jacket water to cool the intake air, the radiator must be sized to reject heat from both the engine block and the aftercooler circuit simultaneously.
KTA19-G4 Fuel Consumption at Full Load
Fuel efficiency directly dictates the total cost of ownership. The Cummins KTA19-G4 fuel consumption per hour at full load is highly predictable. When operating at its 448kW prime rating, the KTA19-G4 fuel consumption at 100% load sits at approximately 107 L/h. For operations running a lighter draw, the KTA19-G4 fuel consumption at 75% load drops efficiently to around 82 L/h. This consistent Cummins KTA19-G4 fuel consumption L/h curve allows fleet managers to calculate exact diesel tank sizing and operational budgets over a standard 12-hour or 24-hour shift.
Technical Comparisons: Navigating the K19 Series
Navigating the CCEC catalog requires understanding the subtle engineering differences between models. A frequent point of evaluation is the KTA19-G4 vs KTA19-G3. Both utilize the identical 18.9L cast iron block, but the fuel pump calibration and turbocharger mapping differ. The G3 is limited to 403kW prime, making the G4 the necessary choice when facility loads sit firmly in the 500kVA to 560kVA bracket. Relying on a G3 for a 560kVA load will cause immediate mechanical fatigue, whereas the KTA19-G4 handles it seamlessly.
Another common technical debate involves the KTA19-G4 vs KTAA19-G5. The distinction here lies in the cooling methodology. The G4 relies on water-to-air aftercooling, while the G5 introduces an air-to-air intercooler system. Air-to-air cooling achieves denser intake air, pushing the G5 to a higher output. However, the G4 remains preferred in highly abrasive or dusty environments where air-to-air fins are prone to clogging.
Additionally, output changes based on regional grid frequencies. The Cummins KTA19-G4 50Hz 1500rpm configuration delivers 448kW prime. However, when configured for 60Hz markets, the KTA19-G4 1500rpm vs 1800rpm shift alters the dynamics entirely, transitioning it into a KTA19-G4 507kW 60Hz engine.
Alternator Matching for 500kVA to 560kVA Gensets
A high-performance diesel motor requires precise electrical pairing. The standard KTA19-G4 448kW generator size falls between 500kVA and 560kVA. To calculate 448kW engine 500kVA generator sizing, engineers multiply the mechanical kW by the alternator’s efficiency rating, divided by a 0.8 power factor.
This makes the unit an ideal Cummins 560kVA generator engine KTA19. For assembly, the flywheel housing supports standard SAE connections, allowing for flawless KTA19-G4 Stamford alternator compatibility. Facilities opting for different brands will find equal ease with Leroy Somer alternator compatibility. Proper pairing ensures the KTA19-G4 448kW engine generator set handles sudden load steps without severe voltage dips.
Real Application Scenarios and Misconceptions
The CCEC KTA19-G4 448kW thrives in demanding environments. It is frequently deployed as the primary power source for rock crushers, offshore oil rig living quarters, and mid-sized manufacturing facilities across Southeast Asia and Africa.
A common misconception among buyers involves the KTA19-G4 prime vs standby power ratings. Facility managers sometimes purchase this unit assuming they can run it continuously at the 504kW threshold. The KTA19-G4 448kW vs 504kW distinction is critical: the 504kW rating is strictly for emergency grid failures, limited to one hour in every twelve. Pushing the engine past 448kW for daily prime usage will drastically shorten the lifespan of the turbocharger and cylinder liners.
Maintenance Scheduling and Overhaul Protocols
Protecting your investment requires strict adherence to the Cummins KTA19-G4 standard maintenance schedule. Because it utilizes a 24V starting system and heavy-duty components, daily checks should verify battery voltage and coolant levels. Oil and filter changes are typically scheduled every 250 operating hours, utilizing high-grade diesel engine oil.
When the engine eventually reaches its major service interval—usually beyond 15,000 hours depending on load and fuel quality—operators will need complete KTA19-G4 engine overhaul rebuild kit parts. Because this is a globally standardized model, sourcing genuine pistons, rings, and main bearings is highly efficient.
Exploring the Wider K19 Engine Series
While the KTA19-G4 1500RPM diesel motor is a cornerstone of mid-range power generation, complex facility requirements sometimes demand different power profiles or emissions standards. As a premier KTA19-G4 448kW engine supplier China, HekoPower provides comprehensive access to the entire engine family to ensure your exact engineering needs are met.
Cummins K19-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes 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.
FAQs on Purchasing and Logistics
What affects the Cummins KTA19-G4 generator engine wholesale price?
The KTA19-G4 complete engine assembly cost fluctuates based on global raw material costs and exchange rates. However, purchasing an original Cummins KTA19-G4 export from China directly through an authorized supplier like HekoPower eliminates middleman markups, ensuring you receive genuine factory pricing.
What is the expected CCEC KTA19-G4 engine lead time and shipping process?
For buyers looking to buy Cummins KTA19-G4 448kW engine units, standard lead time ranges from 15 to 30 business days based on factory production cycles. As an experienced KTA19-G4 engine export supplier, we manage all freight logistics.
How heavy is the engine for freight calculations?
Freight forwarders require the exact CCEC KTA19-G4 engine dimensions and dry weight. The bare engine weighs approximately 1855 kg dry, rising to 1927 kg when fully wetted with oil and coolant.
Is it easy to source as a KTA19-G4 replacement engine 448kW?
Yes. Because the 159mm x 159mm engine block architecture has remained unchanged, dropping a new genuine CCEC KTA19-G4 engine into an older generator canopy is a straightforward mechanical process with no frame modifications required.
