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Cummins KTA38-G2 809kW: The Ultimate V12 Solution for 60Hz Power Generation
The Cummins KTA38-G2 809kW diesel engine is a high-output generator drive engine designed for reliable power generation in demanding environments. As part of the K38 series developed by Chongqing Cummins (CCEC), this V12 engine delivers stable performance at 1800RPM and is widely used in standby and prime power applications.
HekoPower supplies genuine CCEC KTA38-G2 engines with complete power solutions for industrial, commercial, and emergency power systems. With its robust 37.8L displacement and advanced combustion design, the KTA38-G2 ensures consistent output and long service life under continuous load conditions.
Tech Specs of CCEC KTA38-G2
General Engine Data
Engine Model: Cummins KTA38-G2-809KW
Type: 12 Cylinders, 60° V Type, 4 Stroke Diesel
Displacement: 37.8 L
Bore * Stroke: 159 * 159
Net Weight: 3954 Kg
Overall Dimension: 2341mm*1360mm*1653mm
Key Performance Data
Rated Power, Standby Output: 809 kW/1085 HP, 895 kW/1200 HP
Rated Speed: 1800 rpm
Low Idle Speed: 725-775 rpm
Fuel Consumption @ Rated Power: 167 L/Kw.h
Continuous Output/Speed: 671 kW/900HP @ 1800 rpm
More Technical Data
Engine Exhaust Manifold: Optional for Wet Exhaust manifold Heat exchanger
Aspiration: Turbocharged
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, ≤ 5%
Technical Deep-Dive: CCEC KTA38-G2 Specification and Performance
The KTA38-G2-809KW 37.8L 12 cylinder diesel engine utilizes a 60° V-type configuration, which optimizes space while maintaining exceptional balance. As a CCEC KTA38-G2 generator drive, it offers a standby output of 895kW and a continuous output of 671kW at 1800RPM.
Starting Capability
Engineered for reliability, it features a -12℃ lowest starting temp without auxiliary systems, and can handle a cold start capability of -25 Celsius with proper heaters.
Fuel Efficiency
The Cummins KTA38-G2 fuel consumption per hour is a key metric for operators. At 75% load (60Hz), this engine maintains industry-leading efficiency, thanks to the integrated Cummins PT fuel system KTA38 explained by its mechanical simplicity and high-pressure injection.
Physical Footprint
With a 3954Kg net weight, this engine requires a solid foundation. HekoPower provides full KTA38-G2 dimensions and weight data to assist your engineering team in radiator sizing and base frame fabrication.
Why Choose the KTA38-G2 for Critical Backup Power?
Unmatched Reliability with Mechanical PT Fuel System
Unlike modern electronic engines that require complex sensors and ECUs, the Cummins KTA38-G2 utilizes the legendary PT fuel system. This mechanical design is less susceptible to electrical interference and voltage spikes—common issues during grid failures. For data center backup and hospital emergency power, where failure is not an option, the mechanical control governor ensures stable frequency and immediate load acceptance.
Cost-Effective Maintenance and Parts Availability
As a Chongqing Cummins KTA38-G2 wholesale partner, HekoPower provides full access to the CPL 0851 parts catalog. The KTA38-G2 turbocharger part numbers and filtration systems are standardized globally, reducing downtime. Compared to the electronic QSK38, the KTA38-G2 offers significantly lower maintenance costs and easier troubleshooting for onsite technicians.
Applications of Cummins KTA38-G2 Engine
Data Center Backup Power
The KTA38-G2 is widely used in data centers where reliable standby power is critical. Its fast response and stable output ensure uninterrupted operation during power outages.
Hospital Emergency Power Systems
For healthcare facilities, this engine provides dependable backup power to support life-saving equipment and infrastructure.
Industrial Prime Power
In remote or off-grid locations, the KTA38-G2 can serve as a primary power source for factories, mining operations, and oil & gas facilities.
Offshore and Infrastructure Projects
The engine is also suitable for offshore platforms and large infrastructure projects requiring continuous and stable electricity supply.
Understanding the Rating: 809KW Standby vs. 600KW Prime
A common confusion in the market is the power rating of the KTA38-G2. The 809KW figure represents the Standby/Emergency rating typically used in 60Hz regions (like the Americas or specific industrial zones), where the engine runs only during grid failure. In contrast, the 671KW (approx. 600KW net) rating is for Continuous/Prime Power, where the engine runs 24/7. HekoPower’s 809KW Cummins standby generator engine is optimized for peak performance during emergencies, delivering maximum torque when your facility needs it most. This distinction is crucial when comparing the KTA38-G2 vs KTA38-G5; the G2’s mechanical simplicity often makes it more reliable for infrequent but critical standby use.
How to Choose an 800kW Diesel Generator Engine
Selecting the right generator engine requires careful evaluation of operational requirements:
Load Demand
The KTA38-G2 is ideal for applications requiring around 800kW standby or 1000kVA generator capacity.
Fuel Efficiency
With optimized fuel consumption rates, the KTA38-G2 reduces operating costs in long-term usage scenarios.
Duty Type
- Standby: emergency backup power
- Prime: continuous operation with variable load
Comparison: KTA38-G2 vs KTA38-G5 and QSK38
Many clients ask: What is the difference between KTA38-G2 and KTA38-G5? While both share the same displacement, the G2 is optimized for 809kW standby applications, making it more cost-effective for emergency backup safety power supply gensets. When conducting a KTA38-G2 vs QSK38 generator engine comparison, the KTA38 remains the preferred choice for regions requiring Euro II compliance and mechanical control governors (≤5%) over complex electronic sensors.
Maintenance and Genuine CPL 0851 Parts
To ensure a 12-month warranty remains valid, HekoPower recommends following the Cummins KTA38-G2 maintenance manual PDF strictly. This includes using CPL 0851 Cummins engine parts and the correct KTA38-G2 turbocharger part number. Using genuine parts ensures the engine maintains its KTA38-G2 60Hz standby rating throughout its lifecycle.
Supply, Price and Delivery
HekoPower offers original CCEC Cummins KTA38-G2 engines with full support:
- Competitive wholesale pricing
- 12-month warranty
- Delivery within 15–30 business days
- Global logistics support
As a professional diesel engine supplier, HekoPower provides complete generator engine solutions, including technical guidance and after-sales service.
Cummins K38-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KT38-G-560KW, KTA38-G1-634KW, KTA38-G2-664KW, KTA38-G2A-813KW, KTA38-G2B-711KW, KTA38-G5-880KW, KTA38-G9A-1195KW, KT38-G-679KW, KTA38-G2-809KW, KTA38-G2A-915KW, KTA38-G4-1007KW.
