Product Overview: Next-Generation High-Power-Density Generation
As industrial facilities and urban commercial properties seek dependable backup power within increasingly restricted footprint constraints, the 450kVA Cummins diesel generator set sets a new standard for compact engineering and fuel efficiency. Utilizing the cutting-edge 13.0-liter Cummins 6ZTAA13-G2 heavy-duty powertrain, this generation package delivers the power output traditionally reserved for bulkier 14-liter or 15-liter platforms, while shedding significant weight and slashing fuel consumption by up to 10%. Designed to satisfy stringent global reliability and emissions requirements, our 450kVA Cummins diesel generator provides continuous operational security across demanding tropical environments, high-altitude installations, and severe duty cycles.
Paired with the technologically superior Leroy-Somer TAL-A473-A alternator (from Nidec Leroy-Somer), this 450kVA diesel generator produces ultra-stable electrical power with clean sine-wave fidelity, virtually eliminating total harmonic distortion (THD) and safeguarding sensitive electronic controls, variable speed drives, and hospital diagnostic systems. Integrated with a microprocessor-controlled automatic mains failure (AMF) system with ATS capability, the generator set continuously supervises utility power health and initiates automatic load transfer in under 10 seconds during utility interruptions. Every 450kVA Cummins diesel generator set undergoes exhaustive factory load-bank acceptance testing across 25%, 50%, 75%, 100%, and 110% overload conditions to ensure instantaneous, trouble-free on-site commissioning.
Key Engineering Advantages & Competitive Selling Points
1. Advanced Dongfeng Cummins 6ZTAA13-G2 Diesel Engine
The mechanical beating heart of this 450kVA Cummins diesel generator is the advanced Cummins 6ZTAA13-G2 4-stroke industrial diesel engine. Boasting an in-line 6-cylinder layout with a 130 mm bore and an elongated 163 mm stroke (long-stroke geometry), this 13.0-liter engine produces massive low-end torque and exceptional volumetric efficiency. Featuring an advanced turbocharger matched with an Air-to-Air Charge Air Cooling (ATAAC) intercooler, the 6ZTAA13-G2 dramatically increases intake air density, resulting in comprehensive fuel combustion, reduced soot formation, and rapid step-load recovery. Controlled by an ultra-responsive electronic speed governor and high-pressure direct fuel injection, the engine achieves a remarkably low fuel burn rate of just 84–88 L/hr at 100% prime power, delivering substantial operating expenditure (OPEX) savings over years of operation.
Premium Leroy-Somer TAL-A473-A Industrial Alternator
Electrical power conversion in this 450kVA diesel generator set is entrusted to the genuine Leroy-Somer TAL-A473-A alternator. Designed by global electric leader Nidec Leroy-Somer, this 4-pole brushless synchronous AC alternator utilizes an optimized 2/3 pitch winding configuration, effectively suppressing 3rd, 9th, and 15th harmonic voltage distortions (THD < 2%). Built with premium Class H insulation materials, vacuum pressure impregnation (VPI), and IP23 mechanical protection, it withstands aggressive industrial atmospheres. Governed by the state-of-the-art solid-state automatic voltage regulator (AVR), it achieves steady-state voltage precision within ±0.5% to ±1.0%. With optional AREP+ auxiliary winding excitation, the alternator sustains up to 300% short-circuit current for 10 seconds, easily motor-starting high-inertia industrial loads such as chillers, overhead cranes, and deep-well water pumps without voltage collapse.
3. Intelligent Microprocessor-Based Digital AMF Control System
Operational automation is spearheaded by an intelligent digital AMF control panel (standard with SmartGen HGM6120N or Deep Sea DSE6120). Designed for seamless single-unit emergency standby and utility monitoring, the module continuously analyzes 3-phase grid voltage and 3-phase generator output. Upon utility mains failure, voltage sag, over-voltage, or phase drop, the controller commands the 450kVA diesel generator to start, establish rated voltage/frequency, and switch the Automatic Transfer Switch (ATS) in under 10 seconds. The graphical backlit LCD screen presents real-time telemetry including line/phase voltage, current, active power, reactive power, power factor, engine oil pressure, coolant temperature, running hours, and battery charging health, backed by multi-level automatic emergency shutdowns for comprehensive equipment preservation.
4. High-Integrity Base Skid with 95% Vibration Isolation
The entire 450kVA Cummins generator assembly is engineered on a rigid, high-tensile structural steel chassis fabricated through automated robotic welding. Specialized heavy-duty elastomeric rubber shock absorbers isolate the engine and alternator from the chassis, eliminating over 95% of mechanical harmonic vibration transfer. This structural integrity minimizes installation footprint, prevents building floor resonance, and prolongs internal piping life. The chassis can be integrated with an optional double-wall base fuel tank with 8 to 12 hours of continuous full-load runtime, featuring mechanical level float indicators, breather caps, drain plugs, and internal leak containment basins.
5. Heavy-Duty 50°C Ambient Tropical Radiator Package
Unlike standard generator sets equipped with lightweight 40°C cooling units that suffer thermal derating in hot weather, our 450kVA Cummins diesel generator set comes standard with a true 50°C tropical radiator package. Incorporating heavy-gauge copper/aluminum cooling matrixes, dedicated intercooler radiator cores, high-flow water pumps, and heavy-duty pusher cooling fans, this system guarantees full 450kVA standby output without thermal derating in tropical climates, Middle Eastern desert installations, or confined basement boiler rooms.


Parameter |
Value |
Model |
CDC450L |
Prime Power |
400KVA/320KW |
Standby Power |
450KVA/360KW |
Frequency/Speed |
50Hz/1500rpm, 60Hz/1800rpm |
Phase Wires |
3 phase 4 wire |
Power Factor |
0.8 (Lagging) |
Engine Model |
Cummins 6ZTAA13-G2 |
Cylinders |
6 |
Bore x Stroke(mm) |
130 x 163mm |
Compression Ratio |
17 : 1 |
Cooling Method |
Water – cooled |
Starting Method |
24V DC electrical start |
Alternator |
Stamford / Leroy-Somer / Tooplinks |
Control System |
DeepSea / Smartgen |
Voltage |
110V-440V |
Insulation Class |
Class H |
Protection Rating |
IP23 (standard), optional IP55 |
Dimensions (L×W×H) |
4300 x 1600 x 2250mm |
Weight (KGS) |
4200kg |
Optional |
ATS (auto transfer system) |
Noise (Db) |
≤ 72db@7m |
MOQ |
1 pcs |

Q1: What are the key operational advantages of the Cummins 6ZTAA13-G2 compared to older 14L/15L engines?
A: The 13.0L 6ZTAA13-G2 utilizes a modern long-stroke 130×163mm cylinder geometry and advanced electronic injection, delivering 450kVA power in a lighter, more compact envelope. It reduces fuel consumption to just 84–88 L/hr at full load—saving up to 10% in diesel costs compared to older large-displacement engines.
Q2: What is the benefit of the Leroy-Somer TAL-A473-A alternator for industrial motor loads?
A: The Leroy-Somer TAL-A473-A alternator features superior thermal dissipation and high surge capacity. When paired with optional AREP+ excitation, it provides up to 300% short-circuit current for 10 seconds, allowing heavy inductive electric motors (such as pumps, compressors, and chillers) to start smoothly without triggering voltage dips.
Q3: Can this 450kVA Cummins generator be customized for 60Hz frequency and different voltages?
A: Yes. While 50Hz (1500 RPM, 400V/230V) is standard, we provide 60Hz (1800 RPM, 440V/480V/220V) configurations using the 6ZTAA13-G2 engine platform and matching Leroy-Somer alternators to suit power grids.
Q4: How does the digital AMF controller coordinate with the Automatic Transfer Switch (ATS)?
A: The controller monitors the 3-phase utility power 24/7. Upon detecting a blackout, under-voltage, or phase anomaly, it automatically sends a start signal to the 450kVA Cummins diesel generator, reaches rated frequency, and commands the external ATS to transfer facility loads to generator power in under 10 seconds.