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Chongqing Cummins KTAA19-G6 620kW (831HP) G-Drive Diesel Engine
As a premier Cummins KTAA19-G6 supplier in China, HekoPower delivers genuine CCEC (Chongqing Cummins Engine Company) solutions for critical power infrastructure. The KTAA19-G6 620kW generator drive engine is the industry standard for reliable standby power and prime power applications ranging from data centers to heavy industrial plants. Unlike generic listings, HekoPower provides fully configured 620kW Cummins G-Drive engines complete with PT fuel systems, turbocharged air-to-air aftercooled technology, and compatibility with major alternators like Stamford UCI274. Whether you require a 1500RPM diesel engine for 50Hz markets or an 1800RPM generator engine for 60Hz regions, our genuine CCEC KTAA19-G6 units are rigorously tested to ensure EPA Tier 2 / Tier 3 compliance and optimal fuel consumption at 100% load.
Tech Specs of Cummins KTAA19-G6 620kW
General Engine Data
Engine Model: Cummins KTAA19-G6-620KW
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 Output: 620 kW/831HP
Rated Speed: 1800 rpm
Low Idle Speed: 675-775 rpm
Fuel Consumption @ Rated Power: 140 L/Kw.h
Engine Type: Standby Output
More Technical Data
Engine Exhaust Manifold: Wet Exhaust manifold
Aspiration: Turbocharged/Aftercooled
Compression Radio: 13.5:1
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
Key Features
Technical Mastery: Air-to-Air Aftercooling (KTAA)
What sets the KTAA19-G6 G-Drive Engine apart is its "AA" designation, standing for Air-to-Air aftercooling. Unlike standard jacket-water cooled models, this turbocharged air-to-air aftercooled engine significantly reduces intake air temperature, leading to higher combustion efficiency and a lower KTAA19-G6 fuel consumption at 100% load (approx. 141.5 L/hr). This makes it the best 600kW diesel generator engine for environments where heat rejection and fuel economy are top priorities.
The Cummins PT Fuel System Advantage
The Cummins KTAA19-G6 engine with PT fuel system maintenance is remarkably straightforward compared to modern common-rail systems. The mechanical PT (Pressure-Time) pump is legendary for its reliability in harsh environments. At HekoPower, we provide a full Cummins PT fuel system KTAA19-G6 maintenance guide to ensure your unit starts at temperatures as low as -12℃ without external heaters.
KTAA19-G6 Performance: Standby vs. Prime Power
Understanding the KTAA19-G6 prime power and standby power ratings is crucial for your generator set configuration.
- Standby Power (620kW): Optimized for emergency use, such as factory blackout safety equipment.
- Prime Power (570kW): Ideal for KTAA19-G6 for prime power data center applications or mining sites where the engine runs as the primary source. With a net weight of 1927kg and a compact footprint of 1324mm x 835mm x 1183mm, this engine integrates seamlessly into 750kVA standby generator packages, often paired with Stamford or Marathon alternators.
Applications of Cummins KTAA19-G6 Engine
Industrial Generator Sets
Reliable power source for factories and heavy industries.
Emergency Backup Systems
Supports critical infrastructure such as hospitals and data centers.
Oil & Gas and Mining
Suitable for harsh environments with high load demands.
Comparison: KTAA19-G6 vs. KTAA19-G6A and G5
When choosing your power plant, the difference between KTAA19-G6 and KTAA19-G6A is often a point of confusion. While the G6 provides 620kW, the G6A variant is tuned for a higher 664kW output at 1800RPM (60Hz markets). Furthermore, the KTAA19-G6-620KW vs KTAA19-G5-502KW generator engine comparison shows a significant 20% power jump in the G6, making it a superior choice for upgrading existing 500kW gensets without increasing the engine room's physical footprint.
Procurement from HekoPower: Price, Warranty, and Global Delivery
Looking for the genuine CCEC KTAA19-G6 engine price? HekoPower offers competitive wholesale prices directly from the manufacturer.
- Lead Time: Standard stock available with 15-30 business days lead time for customized packages.
- Warranty: Comprehensive 12 months warranty covering all major components, plus lifetime after-sales support and spare parts supply.
- Payment: Flexible international terms including T/T, L/C, and Western Union.
- Global Delivery: We handle logistics for global delivery, ensuring your 620kW Cummins diesel generator engine arrives safely anywhere in the world.
At HekoPower, we provide a full spectrum of industrial power. 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.
Don't settle for refurbished or ambiguous units. Choose HekoPower for original Cummins KTAA19-G6-620KW engines. Contact us today to request the technical datasheet, performance curve, and a tailored quote for your project.
Frequently Asked Questions (FAQ)
What is the fuel consumption of KTAA19-G6?
Fuel consumption varies by load but remains efficient even at 100% load operation.
What is the difference between KTAA19-G6 and G6A?
The G6A version offers higher power output (~664kW) compared to 620kW.
Is this engine suitable for continuous use?
Yes, it supports prime power and continuous duty operation.
