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Cummins Diesel Generator Set MTAA11-G3 for mining operations and manufacturing plants

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  • MTAA11-G3

  • Cummins

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Cummins MTAA11-G3 Diesel Engine – Reliable Power for Prime and Standby Generation

Product Overview

The Cummins MTAA11-G3 is a heavy-duty diesel engine designed and manufactured by Chongqing Cummins Engine Co., Ltd. (CCEC) specifically for reliable power generation. As part of the proven M11 series, this 6-cylinder inline engine delivers robust performance for both continuous (prime) and emergency (standby) power applications, offering a balance of high output, fuel efficiency, and durable construction. It is a trusted power source for a wide range of industrial, commercial, and institutional facilities.

Technical Specifications

The following table summarizes the core technical specifications for the MTAA11-G3 engine.

Feature Specification
Engine Model Cummins MTAA11-G3
Configuration 6 Cylinders, In-line, 4-Stroke
Displacement 10.8L / 11L
Bore & Stroke 125 mm x 147 mm
Aspiration Turbocharged and Aftercooled
Fuel System Cummins PT-STC Direct Injection
Governor Type Electronic
Prime Power (50Hz) 282 kW (378 HP) @ 1500 rpm
Standby Power (50Hz) 310 kW (416 HP) @ 1500 rpm

Primary Equipment Applications

The MTAA11-G3 is engineered as a Generator Drive (G-Drive) engine, making it the ideal prime mover for diesel generator sets. It is perfectly suited for:

  • Prime Power Generation: Providing continuous power for remote industrial sites, mining operations, and manufacturing plants.

  • Standby Power Systems: Serving as a reliable backup power source for hospitals, data centers, commercial buildings, and telecommunications infrastructure.

  • Rental and Mobile Power Units: Powering construction sites and temporary installations where durable and efficient power is required.

Core Technologies & Features

The MTAA11-G3 integrates several key Cummins technologies to ensure dependable performance:

  1. Cummins PT-STC Fuel System: This system utilizes a Pressure-Time (PT) fuel pump with Step Timing Control (STC). It ensures precise fuel injection, leading to excellent combustion efficiency, low fuel consumption, and stable operation under varying loads.

  2. Turbocharged and Aftercooled Design: The engine features a turbocharger coupled with a charge-air cooling system. This design forces more, denser air into the cylinders, significantly increasing power output and thermal efficiency while reducing emissions.

  3. Robust Engine Architecture: Built for longevity, the engine employs a heavy-duty design with a forced water-cooling cycle. Its sturdy construction contributes to smooth operation, low vibration, and an extended service life, even in demanding environments.

  4. Global Support Network: As a genuine Cummins engine, it is backed by a worldwide network for parts, service, and technical support, ensuring maximum uptime and peace of mind.

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