Cummins KTA19-G3 463kW

Product Series: Cummins K19-G

Rated output: 463KW(620HP),1800RPM

Warranty: 12 months

Payment: T/T, L/C, Western union, etc.

Lead Time: Around 15-30 Business Days

Details

Original Cummins, new machines at absolute wholesale prices.

HekoPower Group is the reliable choice.

High-Reliability 463kW G-Drive Engine for Industrial Backup Power

As a specialized global engine supplier, HekoPower provides the Genuine CCEC Cummins KTA19-G3, a heavy-duty 18.9L powerhouse engineered specifically for the generator set market. Rated at a standby power of 463kW (620HP) and a continuous output of 388kW, this engine is the industry standard for 500kVA generator sets requiring unfailing reliability in emergency sectors like hospitals, data centers, and mining camps.

The Chongqing Cummins KTA19-G3 is built to perform under pressure. Whether you are looking for a 60Hz Cummins generator engine for North American specs or a 50Hz configuration for international grids, the K19 series offers a versatile "Power Pack" solution. Its turbocharged and aftercooled design ensures peak performance even in high-temperature 50°C environments.

Tech Specs of KTA19-G3 463kW

General Engine Data

Engine Model: Cummins KTA19-G3-463KW

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 Power/Standby Output: 463 kW/620HP, 511 kW/685HP

Rated Speed: 1800 rpm

Continuous Output/Speed: 388 kW/520HP @ 1800 rpm

Low Idle Speed: 575-775 rpm

Fuel Consumption @ Rated Power: 111 L/Kw.h

More Technical Data

Engine Exhaust Manifold: Optional for Wet Exhaust manifold Heat exchanger

Aspiration: Turbocharged/Aftercooled

Compression Radio: 13.9:1

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

Technical Deep-Dive: KTA19-G3 Datasheet and Performance

Understanding the KTA19-G3 diesel engine specs is critical for proper genset sizing. At HekoPower, we emphasize the technical superiority of the PT fuel system. Unlike electronic injection systems that may fail in harsh electrical environments, the mechanical PT pump is easily calibrated and highly resistant to fuel impurities.

Fuel Efficiency and Operational Costs

One of the most frequent inquiries we receive is regarding the KTA19-G3 fuel consumption at 75% load. At 1500rpm, this engine maintains an impressive efficiency of approximately 211g/kW.h, ensuring that your 400kW Cummins generator engine remains cost-effective during long-running standby operations. For backup power applications, the KTA19-G3 backup power engine provides a rapid response time, meeting the most stringent emergency startup requirements.

Generator Matching and Application Scenarios

Ideal Generator Matching

The KTA19-G3 is best suited for:

400kW–500kW generator sets
Stamford / Leroy Somer alternators
Industrial and commercial backup systems

This ensures optimal power-to-load matching and efficiency.

Data Center Backup Power

Provides reliable standby energy with fast response time and stable voltage output.

Hospital Emergency Power

Ensures uninterrupted power for critical medical systems.

Industrial and Mining Power

Supports continuous operation in remote and high-load environments.

Commercial Buildings

Used for emergency backup in hotels, factories, and office complexes.

Comparison: KTA19-G3 vs. KTA19-G4 and G2 Models

When selecting a Cummins K19 generator drive engine, it is vital to understand the difference between KTA19-G3 and KTA19-G4. While the G3 is rated at 463kW standby, the G4 offers higher peak outputs. However, the G3 remains the "Best Cummins K19 generator engine" for balanced 400kW prime power needs.

KTA19-G3: Optimized for 400kW Prime / 463kW Standby.
KTA19-G4: Designed for higher 500kW+ applications.
Altitude Performance: The KTA19-G3 features a robust power derating chart for 2000m altitude, making it the preferred 463kW diesel power pack for high-altitude mining operations.

Fuel Consumption and Maintenance Guide

Operational costs are driven by efficiency. The Cummins KTA19-G3-463KW 111L/Kw.h fuel consumption backup power engine (approximate value at full load) is designed for economy.

Fuel Efficiency: At 75% load, the KTA19-G3 fuel consumption per hour is optimized to reduce running costs during extended outages.
Maintenance: HekoPower provides a complete KTA19-G3 maintenance interval schedule PDF. Key service points include the 18.9L Cummins KTA19-G3 oil capacity (approx. 68L with filter) and specific filter part numbers.
Troubleshooting: Our support team assists with troubleshooting KTA19-G3 starting issues and common faults of Cummins KTA19 generator engine, such as low oil pressure or turbocharger lag.