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CCEC Cummins KTA19-P680 Pump Drive Engine: Engineering Specs & Field Integration
Selecting the correct drive engine for heavy industrial pumping requires precise alignment between rotational speed, torque delivery, and continuous load capability. As a specialized engine supplier, HekoPower provides factory-direct CCEC Cummins KTA19-P680 pump drive engines engineered for demanding fluid-handling applications.
The CCEC KTA19-P680 water pump diesel engine is a 19-liter, inline 6-cylinder powerplant. Operating at a fixed 1500 RPM rating, it generates 507 kW (680 HP) and a peak torque of 3237 Nm. Built around CPL 4153, this model features a 159 mm × 159 mm bore and stroke, a 13.9:1 compression ratio, and a jacket water-air intercooler system. It meets Euro II emission standards while delivering reliable performance across industrial power packs.
Tech Specs of Cummins KTA19-P680
General Engine Data
Engine Model: Cummins KTA19-P680
Type: 6 Cylinders in Line
Displacement: 19 L
Bore * Stroke: 159 * 159
Overall Dimension: 2150mm*966mm*1704mm
Net Weight (with flywheel & alternator): 2073 Kg
Key Performance Data
Rated Power: 507 kW/680HP
Rated Speed: 1500 rpm
Max Torque/Speed: 3237 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 210g/Kw.h
Max. Continuous Running Altitude: 2000 m
Min. Low Idle Speed: 725 rpm
More Technical Data
Certification: Euro II
Aspiration: Turbocharged-Intercooled
Fuel System: Direct Injection PT Pump
Compression Ratio: 13.9:1
Electrical System (Starter Motor/Alternator): 12V/24V
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: Fluid Cooling
Technical Comparisons: Decoding the KTA19-P680 Against Alternative Ratings
Selecting an engine from the Cummins K19 family requires understanding how duty cycles and speed calibrations affect mechanical output. While many K19 blocks share identical physical dimensions, internal fuel delivery mapping and turbocharger matching vary significantly.
KTA19-P680 vs. KTA19-P600 and KTA19-P700
The KTA19-P680 sits between lower-output drive engines like the KTA19-P600 and higher-output variants like the KTA19-P700 or KTA19-P750. The KTA19-P600 produces roughly 447 kW, making it suitable for moderate head pressure applications. The KTA19-P680 delivers 507 kW at 1500 RPM, giving pump designers additional output without jumping to higher engine displacement.
When comparing the KTA19-P680 vs KTA19-P700 power and RPM characteristics, operational speed is the primary difference. The KTA19-P700 often operates at 1800 RPM for 60 Hz water pump systems or specialized high-speed duty cycles. The KTA19-P680 is calibrated for direct coupling to 1500 RPM centrifugal or axial pumps. This direct drive setup eliminates speed-reducing gearboxes, improving overall mechanical efficiency.
Pump Engine (P-Series) vs. Generator Engine (G-Series)
A common mistake in industrial procurement is substituting a generator engine like the KTA19-G4 for a dedicated pump drive unit. Generator engines rely on electronic or mechanical governors tuned for immediate step-load recovery at zero-droop parameters.
In contrast, the Cummins KTA19-P680 pump drive engine utilizes a specialized PT fuel pump curve designed for variable hydraulic resistance. Fluid dynamics present steady, increasing resistance as pump impellers bring fluid up to system pressure. The P-series fuel governor handles sustained torque loads at 3237 Nm without premature governor hunting or thermal overloading.
Real Application Scenarios for the 507 kW Cummins Engine
The 680 HP Cummins water pump engine operates across various heavy-duty industries. Its mechanical simplicity and resistance to thermal stress make it a reliable choice for remote site operations.
High-Flow Emergency Fire Suppression Systems
Emergency fire protection systems rely on instant starting and uncompromised power delivery. The KTA19-P680 diesel engine for high-flow emergency fire pump installations meets the stringent demand of large-scale industrial plants, offshore terminals, and municipal water stations. Its water-air intercooler setup maintains consistent intake air temperatures, ensuring full 507 kW output even during sudden pressure drops.
Mining Dewatering and Municipal Water Transfer
Open-pit mining operations require continuous, round-the-clock pumping to clear groundwater and slurry. The KTA19-P680 mining pump engine delivers 3237 Nm torque, enabling deep-well turbine pumps and multi-stage centrifugal units to lift water over steep elevation heads. Its 210 g/kWh fuel consumption rate helps control operational overhead during extended duty cycles.
Agricultural Irrigation and Oilfield Power Units
Large-scale agricultural projects and remote crude oil transfer skids demand self-contained power packs. The KTA19-P680 agricultural water pump engine functions reliably under ambient temperature extremes. Fitted with heavy-duty power take-off (PTO) clutches, this engine drives high-volume low-head pumps for canal irrigation and specialized oilfield fluid reinjection rigs.
Maintenance Guidelines and Replacement Tips
Maintaining continuous duty performance requires adherence to factory service intervals, specifically regarding CCEC fuel injection components and cooling system maintenance.
Servicing CPL 4153 and the PT-STC Fuel System
The CCEC KTA19-P680 CPL 4153 diesel engine relies on the classic Cummins Pressure-Time (PT) fuel pump paired with Step Timing Control (STC) injectors. STC technology advances injection timing during startup and light loads to reduce white smoke, then retards timing under high loads to minimize mechanical stress.
- Fuel Filter Replacement: Replace primary and secondary fuel filters every 250 operational hours to protect high-pressure injector cups from abrasive particulates.
- STC Valve Inspection: Periodically check the STC oil control valve for proper hydraulic pressure signals. Faulty valve actuation can lead to incorrect injection timing and elevated exhaust temperatures.
- Injector Calibration: Inspect and calibrate PT injectors every 1500 to 2000 operating hours to maintain the optimal 210 g/kWh fuel consumption profile.
Replacing Older Engines and Mounting Alignment
When sourcing a replacement engine for industrial dewatering pump skids, verify flywheel housing measurements and drive coupling tolerances. Replacing older 19-liter units with a new CCEC KTA19-P680 requires precise laser alignment between the engine crankshaft and the driven pump shaft. Angular misalignment exceeding 0.05 mm can induce vibration, leading to premature main bearing wear or pump seal failure.
Common Misconceptions Regarding the KTA19-P680
Navigating engine specifications can lead to costly procurement errors if mechanical differences are overlooked.
Misconception 1: "Any KTA19 Engine Can Be Converted to a P-680 Rating"
While block castings are identical across the K19 family, internal differences exist. The KTA19-P680 uses specific piston crown profiles, turbocharger matchings, and CPL 4153 governor springs. Attempting to recalibrate a lower-rated KTA19 block by increasing fuel pump pressure without updating internal components causes excessive thermal stress and premature piston ring scoring.
Misconception 2: "Water-Air Intercoolers Are Maintenance-Free"
Because the KTA19-P680 utilizes a water-air intercooler rather than an air-to-air charge air cooler, operators often neglect the intercooler circuit. Scale buildup inside intercooler water passages reduces heat transfer efficiency. This increases intake manifold temperatures, lowers air density, and causes elevated fuel consumption above the nominal 210 g/kWh specification.
Misconception 3: "Higher RPM Always Equals Better Pumping Capacity"
Running pumps at higher speeds is not always beneficial. A 1500 RPM setup like the KTA19-P680 provides ideal shaft speeds for large-diameter impellers. Running large pumps at 1800 RPM can cause cavitation, excessive impeller wear, and fluid turbulence. The 1500 RPM configuration balances fluid dynamics with mechanical component longevity.
Complete Cummins K19 Series Product Lineup
To help equipment operators and engineering teams select the exact engine configuration for their specific power demands, HekoPower offers full access to the broader CCEC K19 manufacturing program.
Cummins k19-C Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KTA19-C450, KTA19-C525, KTA19-C600, KTAA19-C700, KTTA19-C700, KTA19-P450, KTA19-P500, KTA19-P600, KTA19-P680, KTA19-P700, KTA19-P750.
Frequently Asked Questions
What are the main specifications of the Cummins KTA19-P680 1500 RPM water pump power unit?
The engine generates 507 kW (680 HP) at 1500 RPM. It features an inline 6-cylinder layout, 19-liter displacement, turbocharged and water-air intercooled aspiration, CPL 4153 calibration, and a PT-STC fuel injection system.
Can HekoPower supply complete skid-mounted KTA19-P680 power packs?
Yes. As a comprehensive engine supplier, HekoPower builds customized KTA19-P680 industrial power pack assemblies. Options include heavy-duty radiators, industrial silencers, PTO clutch systems, digital control panels, and base skids tailored to your specific pump dimensions.
How does the fuel consumption of the KTA19-P680 compare to similar models?
The KTA19-P680 maintains a rated fuel consumption of approximately 210 g/kWh at 1500 RPM. This efficiency is achieved through optimized CPL 4153 fuel matching and precise STC injection timing under heavy load conditions.
What is the lead time when buying a genuine CCEC Cummins KTA19-P680 engine assembly?
HekoPower maintains direct inventory access to original CCEC production lines. Standard lead times for complete engine units or power pack assemblies typically range from 2 to 4 weeks, depending on customization options like PTO types and cooling pack requirements.
