Details
Genuine Cummins KTAA19-C700 Construction Diesel Engine (700HP / 522kW)
The Cummins KTAA19-C700 is a powerhouse in the industrial diesel engine sector, specifically engineered for extreme duty cycles in heavy construction and mining environments. Delivering a massive 700 horsepower (522 kW) at 2100 RPM, this 18.9-liter, 6-cylinder inline engine combines raw power with proven mechanical reliability. Equipped with a turbocharged air-to-air intercooler system and the classic PT fuel pump, the KTAA19-C700 configuration number D193077CX02 under CPL 0951 is designed to maintain a peak torque of 2731 Nm at lower RPMs. As a dedicated engine supplier, HekoPower provides complete KTAA19-C700 engine assemblies for sale, ensuring our clients receive original CCEC machinery capable of enduring the harshest operating conditions worldwide.
Tech Specs of KTAA19-C700
General Engine Data
Engine Model: Cummins KTAA19-C700
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: 522 kW/700HP
Rated Speed: 2100 rpm
Max Torque/Speed: 2731 N.m @ 1300 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
Real Application Scenarios for the KTAA19-C700
While many 19-liter diesel engines claim versatility, the KTAA19-C700 construction machinery engine is calibrated for distinct, highly demanding operational profiles. The "C" designation indicates a variable-speed calibration. This means the governor responds instantly to rapid throttle changes, making it the premier choice for equipment that requires sudden bursts of immense power followed by idling or low-load operation.
Heavy excavators operating in deep trenching or quarrying scenarios rely heavily on the precise torque delivery of this 700HP Cummins engine. When an excavator bucket hits solid bedrock, the hydraulic demand spikes instantaneously. The mechanical PT fuel system of the KTAA19-C700 compensates without the micro-second delays sometimes experienced in heavily filtered electronic control modules, preventing engine stalling and maintaining hydraulic pressure.
Beyond excavation, this specific Cummins K19-C 700HP engine is frequently integrated into large-scale bulldozers and graders used in heavy infrastructure development. These machines push massive amounts of earth and require continuous, unbroken traction. The 159 x 159 mm bore and stroke provide the deep, low-end grunt necessary to keep tracks moving under immense resistance.
Furthermore, we frequently supply the KTAA19-C700 industrial diesel engine for high-capacity industrial pump applications where heavy fluid transfer is required on active construction sites. Although primarily a variable-speed construction engine, its robust cast-iron block handles the sustained loads of dewatering pumps and dredging equipment with exceptional durability. For specialized mine equipment, the engine's tolerance for high mechanical and heat loads ensures productivity remains high even in abrasive, dust-heavy environments.
Technical Comparisons and Engineering Insights
Construction Machinery Applications
Understanding how the KTAA19-C700 fits into the broader Cummins K19 family is critical for procurement managers and mechanical engineers. Selecting the wrong engine configuration can lead to catastrophic equipment failure or severe operational inefficiencies.
Cummins KTAA19-C700 vs KTTA19-C700
A frequent point of confusion is the difference between the KTAA19-C700 and the KTTA19-C700 model numbers. While both generate 700 horsepower, their aspiration methods are entirely different. The KTAA19-C700 features a single large turbocharger paired with an air-to-air intercooler. This setup is highly efficient for standard elevations and general heavy equipment use. In contrast, the KTTA19-C700 utilizes a twin-turbocharger configuration. The twin-turbo setup is specifically designed to force immense amounts of air into the cylinders at extremely high altitudes, making it the preferred choice for high-altitude mining applications. For standard construction sites, the KTAA19 is generally preferred due to its simpler plumbing and lower maintenance overhead.
Mechanical Reliability vs QSK19 Electronic Systems
When deciding between the KTAA19-C700 and the modernized QSK19, the choice largely comes down to the operating environment. The QSK19 is the electronic successor to the K series, featuring a high-pressure common rail fuel system and an advanced electronic control module. While the QSK19 offers slightly better emissions compliance and detailed digital diagnostics, it requires specialized electronic tools for field repairs. The KTAA19-C700 relies on the mechanical PT fuel system. For construction sites in remote areas, the mechanical simplicity of the KTAA19-C700 is a massive operational advantage. Mechanics can diagnose and repair the engine using standard hand tools without relying on computer diagnostic software or vulnerable electronic sensors.
Construction vs Pump Drive Calibration (C vs P)
Another crucial distinction is the Cummins KTAA19-C700 vs KTA19-P700 comparison, which highlights the importance of governor calibration. The P700 is a pump drive engine calibrated strictly for steady-state operation. It is designed to hit a specific RPM and lock into it for days at a time to drive a water pump or hydraulic unit continuously. Using a C700 in a dedicated steady-state pump application can lead to governor hunting and inefficient fuel consumption. Conversely, putting a P700 into an excavator will result in terrible throttle response. Always match the engine prefix to the machinery type.
Maintenance and Replacement Tips for Maximum Uptime
As an experienced engine supplier, HekoPower strongly advises strict adherence to maintenance schedules to protect your investment in the CCEC KTAA19-C700. The mechanical nature of this engine makes it incredibly resilient, but it is not immune to operational neglect.
PT Fuel System Servicing
The PT fuel pump is the heart of the engine. The KTAA19-C700 PT fuel system operates on a pressure-time principle, meaning clean fuel is absolute paramount. Even microscopic debris can score the injectors and alter fuel delivery timing. Operators must ensure that primary and secondary fuel filters are changed exactly according to the manufacturer's intervals. Never bypass a water separator on a construction site, as water in the diesel will instantly destroy the tight tolerances within the PT fuel pump and lead to costly downtime.
Identifying the Correct Replacement Engine
When dealing with a KTAA19-C700 replacement engine, correct identification is critical. Do not order a replacement based solely on the horsepower rating. You must locate the engine configuration number, which is D193077CX02 for this specific model, and verify the CPL 0951 designation on the data plate. The CPL, or Control Parts List, dictates the precise combination of pistons, camshaft, and injectors used to achieve the engine's performance curve. Ordering a replacement with a different CPL will result in mismatched performance, increased fuel consumption, and potential integration issues with your heavy equipment's transmission or hydraulic pumps.
Common Misconceptions About the KTAA19-C700
One widespread misconception is regarding the KTAA19-C700 fuel consumption. Operators often assume that a 19-liter, 700HP engine will be inherently inefficient regardless of how it is operated. In reality, the KTAA19-C700 fuel consumption at 2100 RPM under maximum load is an engineered metric, but because it is a variable-speed construction engine, it rarely operates at maximum load continuously. Fuel efficiency is heavily dictated by the skill of the machinery operator and the condition of the air-to-air intercooler. A clogged intercooler raises intake temperatures, radically dropping combustion efficiency and causing fuel consumption to spike.
Another dangerous misconception is that the engine block is identical across all K19 600HP and 700HP variants. While the displacement remains 18.9 liters, the internal components of the KTAA19-C700, such as the articulated pistons and the forced cooling jets, are significantly reinforced to handle the 2731 Nm torque output. Attempting to modify a lower-horsepower K19 engine to match the C700's output without upgrading these internal components will result in immediate catastrophic failure.
Exploring the Broader Cummins K19 Range
Understanding the specific capabilities of the 700HP construction variant is just one part of selecting the right power plant. Depending on your exact machinery requirements, you may need a different calibration or aspiration method to achieve optimal performance and fuel economy.
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 (FAQ)
What is the continuous power rating of the KTAA19-C700?
While the engine has a maximum rating of 700HP (522 kW) at 2100 RPM, the KTAA19-C700 continuous power output for sustained, uninterrupted operation is rated lower, typically around 554HP (413 kW) at 1800 RPM, ensuring longevity under constant load conditions.
Can I buy CCEC Cummins KTAA19-C700 engine wholesale through HekoPower?
Yes. As an established engine supplier and exporter, HekoPower offers competitive wholesale pricing for bulk orders, fleet replacements, and OEM machinery integrations, complete with global shipping logistics.
Does this engine come with an electronic control module?
No, the KTAA19-C700 utilizes a fully mechanical PT fuel system and mechanical governor. This makes it highly reliable in harsh, dust-filled environments and simple to repair without requiring electronic diagnostic computers.
What is the lead time for a KTAA19-C700 complete engine assembly?
Lead times can vary based on current factory stock, testing requirements, and specific shipping destinations. For the standard D193077CX02 configuration, we advise contacting our sales team directly for exact shipping schedules and freight options.
