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Overview of Cummins KTA19-G4 Generator Engine
The Genuine CCEC KTA19-G4 448KW Engine represents the pinnacle of mechanical reliability for the global power generation market. As a specialized KTA19-G4 supplier China factory partner, HekoPower provides this 18.9L powerhouse for critical standby and prime power applications. With a standby rating of 448kW (600HP) at 1500RPM, the G4 variant is the preferred choice for heavy industrial generator sets.
Unlike lighter electronic engines, the Chongqing Cummins KTA19-G4 utilizes the legendary PT fuel system. This mechanical injection system ensures that the KTA19-G4 600HP diesel generator drive remains operational in the harshest electrical environments, such as mining camps and remote oil fields, where electronic sensors might fail.
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
KTA19-G4 Fuel Consumption Map and Efficiency
Operational costs are a primary concern for data center and hospital emergency power. The Cummins KTA19-G4 fuel consumption at 75% load is approximately 82 L/hr (107L/Kw.h), offering a competitive edge in fuel economy for a 448kW Cummins generator engine. Whether used as a KTA19-G4 standby power engine or for continuous duty, the torque curve is optimized for rapid motor starting and transient load response.
Generator Matching and Application Scenarios
Generator Matching
The KTA19-G4 is best matched with:
- 450kVA–550kVA generator sets
- Stamford / Leroy Somer alternators
- Industrial standby and prime power systems
It provides optimal power-to-load balance, ensuring efficient generator performance.
Data Center Backup Power
Ensures uninterrupted operation for servers and critical IT infrastructure.
Hospital Emergency Power
Provides reliable standby power for life-support systems.
Mining and Industrial Power
Suitable for remote areas with continuous heavy load requirements.
Commercial Backup Systems
Used in factories, hotels, and large buildings.
KTA19-G4 vs Other K19 Generator Engines
KTA19-G4 vs KTA19-G3
One of the most common questions our team at HekoPower receives is the difference between Cummins KTA19-G4 and KTA19-G3 specs. While both share the 18.9L displacement, the G4 is engineered for higher thermal loads.
- Power Output: The G4 provides 448kW standby, whereas the G3 typically sits at 403kW.
- Cooling: The G4 features an enhanced cooling package, making the KTA19-G4 performance in 50°C ambient temperature significantly more stable than its predecessor.
- Turbocharging: The G4 utilizes a specific turbocharger model number and specs designed to maintain a 504kW peak power backup power engine rating.
KTA19-G4 vs KTA19-G5
- G5 offers higher output for large-scale applications
- G4 is more cost-efficient for mid-range generator systems
Performance in Extreme Conditions
The KTA19-G4 is engineered for harsh environments:
- Operates at altitudes up to 2000m (with derating)
- Reliable cold start at -12°C
- Stable performance at temperatures up to 50°C
This makes it ideal for mining, oil fields, and remote installations.
Why Source Your KTA19-G4 from HekoPower?
Choosing HekoPower means more than just buying a KTA19-G4 diesel generator engine price; it means securing a complete power pack with radiator and control panel. We offer a 12-month warranty genuine CCEC Cummins engine guarantee and a 15-30 days lead time from China. With a shipping weight of 1927Kg, we manage all crating dimensions to ensure your engine arrives ready for integration with your 500kVA Stamford or Leroy Somer alternator.
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.
