Details
Dongfeng Cummins 6ZTAA13-G3 G-Drive Engine: 340kW Power Unit Specifications
The DCEC Cummins 6ZTAA13-G3 is a heavy-duty 13L industrial diesel engine designed for 50Hz generator set applications requiring stable 340kW prime power output at 1500RPM. Manufactured under the Dongfeng Cummins joint venture platform, this engine is widely used in industrial standby power systems, telecom infrastructure projects, mining operations, commercial buildings, and emergency backup installations.
Compared with smaller displacement generator engines, the 6ZTAA13-G3 offers stronger continuous-load capability and improved fuel efficiency under medium and high electrical loads. The engine is commonly matched with 400kVA generator sets for both standby and prime power configurations.
As a professional engine supplier, HekoPower supplies genuine DCEC Cummins 6ZTAA13-G3 engines for customers requiring reliable industrial power solutions, replacement engines, and export-oriented generator projects.
Tech Specs of Cummins 6ZTAA13-G3
General Engine Data
Engine Model: Cummins 6ZTAA13-G3-340KW
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 13 L
Bore * Stroke: 130 * 163
Net Weight: 1195 Kg
Overall Dimension: 2180mm*1360mm*1605mm
Key Performance Data
Rated Power/Standby Power(1500 rpm): 340 kW/456HP, 380 kW/510HP
Continuous Output/Speed (1500 rpm): 296 kW/397HP @ 1500 rpm
Rated Power/Standby Power(1800 rpm): 340 kW/456HP, 380 kW/510HP
Continuous Output/Speed (1800 rpm): 296 kW/397HP @ 1800 rpm
Rated Speed: 1500/1800 rpm
Low Idle Speed: 800-1000 rpm
Fuel Consumption @ Running: ≤ 235 g/kW.h
More Technical Data
Aspiration: Turbocharged/Charge Air Cooled
Fuel System: BYC PD Pump/ GAC Governor
Electrical System (Starter Motor/Alternator): 24V/900CCA
Lowest Starting Temp Without auxiliary system: -15℃/-30℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 23.1 L
Governor Type: Electronic, Regulation ≤3%
Compression Ratio: 17:1
Technical Architecture and Model Comparisons
The 13-liter DCEC generator engine wholesale market offers several overlapping engine models. Understanding their subtle mechanical and software design variances is crucial to avoid common procurement errors.
Mechanical Fuel Systems vs. Common Rail Alternatives
The core point of differentiation for the Cummins 6ZTAA13-G3 industrial power engine lies in its high-pressure inline injection configuration. It employs a heavy-duty BYC PD fuel system injection pump electronic governor (utilizing a GAC governor system).
This stands in stark contrast to newer High-Pressure Common Rail (HPCR) iterations like the QSZ13 series. While HPCR platforms deliver marginal emissions improvements, the mechanical pump and electronic governor pairing on the 6ZTAA13-G3 offers significant structural benefits:
- Far greater tolerance for varying fuel qualities, which is a vital prerequisite for remote construction zones and mining projects.
- Simple field maintenance parameters that eliminate the need for specialized proprietary diagnostic computers.
Decoupling the 6ZTAA13 G-Drive Variant Tree
Engine packaging facilities frequently confuse the -G2, -G3, and -G4 variants of this specific 13L block. This confusion can cause severe mismatch errors during generator assembly or replacement projects.
- The 6ZTAA13-G2 Model: This configuration is fundamentally calibrated for continuous or base-load applications.
- The 6ZTAA13-G3 Model: This unit is optimized specifically for variable prime power applications, delivering a highly responsive 340kW prime and 380kW standby generator engine specs profile.
- The 6ZTAA13-G4 Model: This variant alters the turbocharger wastegate setting and fueling maps to push output higher for strict emergency standby applications, maximizing intermittent peak performance over sustained endurance.
Real Application Scenarios and Environmental Limits
A 1500RPM Cummins generator drive engine is only as good as its real-world performance under environmental stress. This 13L platform is engineered for several demanding operating environments.
Critical Infrastructure and Data Center Backup Power
For facilities relying on the Cummins 6ZTAA13-G3 for data center backup power, the electronic GAC governor delivers an immediate transient response. In a data center emergency backup engine 340kW output role, the engine must accept a 100% block load step without dropping below the frequency thresholds required by sensitive networking gear. The integrated BYC system maintains transient governor frequency regulation at or below 3%.
Heavy Industry, Mining, and Remote Extraction
The 400kVA Cummins generator engine for mining project installations must deal with highly abrasive airborne particulates and variable fuel sources. The heavy-duty multi-stage fuel filtration system strips out water and fine particulate matter before it reaches the injection pump nozzles. This robust design makes it a reliable choice for remote telecom stations and heavy industrial continuous power supplies.
Harsh Environments and Thermal Operations
Operating machinery in extreme geographic regions requires careful consideration of ambient temperature and altitude.
The engine features an advanced cold start capability Cummins 6ZTAA13-G3 with air heater option. It can fire up completely unaided down to -15°C, and with an optional grid intake heater system engaged, it achieves instant ignition down to -30°C.
For high-altitude deployment, the high altitude derating curve for Cummins 13L generator engine establishes a 1500-meter ceiling without power loss. For installations above 1500 meters, our engineering department provides tailored fuel-trim mapping to account for thin mountain air.
Maintenance Intervals and System Replacement Tips
As an experienced Cummins 6ZTAA13-G3 wholesale supplier, HekoPower coordinates component matching and life-cycle logistics for engineering firms performing retrofits or full system updates.
Routine Service Schedules and Fluids Management
Adhering to strict preventative service intervals prevents premature engine wear and protects your core investment:
- Initial Oil Change: Perform after the first 50 hours of break-in operation.
- Standard Oil & Filter Swap: Every 250 to 500 operating hours, depending on dust exposure.
- Crankcase Capacity: Requires 45.4 liters of high-quality multi-grade lubricating oil.
- Cooling System Capacity: 23.1 liters (engine block only). Total cooling package loops generally demand up to 73.1 liters of premium glycol mixture to prevent boiling up to a maximum safety ceiling of 102°C.
Complete Rebuild and Retrofit Engineering
When executing a full replacement engine for 400kVA Cummins genset configurations, verify your existing alternator matching profile. The rear flywheel housing matches standard SAE 1 boundaries, making it compatible with industry-standard single-bearing alternators like Stamford, Leroy Somer, and Marathon units.
For facilities planning a replacement for Cummins 6ZTAA13-G3 engine assets, purchasing an OEM replacement DCEC 13L generator engine assembly from HekoPower drops directly into your current canopy mounts. This swap eliminates the costly frame retrofitting and exhaust re-routing required when changing engine brands.
Commercial Supply and Procurement Logistics
HekoPower is a direct Cummins 340KW engine export company with deep roots in industrial logistics. We maintain consistent stock availability to protect your project timelines from long lead-time delays.
Factory-Direct Logistics and Export Packaging
Every factory direct Cummins generator engine shipped from our facility undergoes hot-bench testing prior to export container loading. We utilize heavy-duty export sea crates line-treated with anti-corrosion films to ensure your 50Hz Cummins standby power engine arrives with its electrical control harnesses and machined surfaces completely free from moisture damage.
Distributor Warranties and Long-Term Parts Support
Every piece of industrial equipment we deliver is backed by clear commercial guarantees. The standard Cummins 6ZTAA13-G3 distributor warranty provides extensive global parts protection. Because this engine shares a high volume of internal components with the globally recognized 13L Cummins platform, finding replacement filters, gaskets, and overhaul kits is easy, keeping your long-term operating costs low.
Cummins 6Z13-G Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes 6ZTAA13-G2-390KW, 6ZTAA13-G3-340KW, 6ZTAA13-G4-400KW. In accordance with the criteria of Machinery Safety Directive 2006/42, movable elements such as distribution belts, fans, and parts that acquire high temperatures during operation, such as exhaust manifolds, have their respective safeguards. Before being delivered, the generator is thoroughly checked at the factory. Voltage, frequency, and load are all tested, as well as the appropriate operation of warnings and the influence of engine oil temperature on stop.
Frequently Asked Questions
What is the exact electrical rating of a generator built with a 6ZTAA13-G3 engine?
When running at a standard 1500RPM speed for 50Hz applications, this engine produces a prime engine output of 340kW. When paired with a high-efficiency alternator (averaging 92% efficiency), this yields a prime power rating of 300kW or 375kVA. Under emergency standby conditions, the engine steps up to 380kW, delivering a standby alternator output of 330kW or 413kVA (often called a 400kVA class generator set).
Which specific governor is mounted onto the BYC PD fuel injection system?
The fuel platform utilizes a premium BYC mechanical inline injection pump paired with a GAC (Governor America Corp) electronic speed controller module. This setup keeps steady-state speed hunting within a tight 0.5% tolerance window, matching the strict frequency controls required by medical backup grids and telecom installations.
Can the 6ZTAA13-G3 engine be adjusted to run at 1800RPM for 60Hz grids?
Yes. The dual-speed architecture of the Dongfeng Cummins block allows for field calibration to 1800RPM. At 1800RPM, the prime output rating remains stable at 340kW (455 HP), while the standby peak matches the 380kW mark. This versatility allows manufacturers to use a single engine model across both 50Hz and 60Hz markets.
What are the payment and shipping timelines when ordering from HekoPower?
As an established export company, we offer flexible commercial terms including letters of credit (L/C) and telegraphic transfers (T/T). Standard production and validation lead times for standard stock configurations average 7 to 15 business days from order confirmation to port delivery.
