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QST30-C1340
Cummins

The Cummins QST30-C1340 is a premier 30.5-liter V12 diesel engine, engineered to deliver exceptional power density, legendary durability, and superior operational efficiency for the world's toughest industrial and power generation applications. Part of the proven QST30 Quantum series, this high-horsepower engine is built to provide reliable, continuous power where productivity and uptime are critical, ensuring a low total cost of ownership even in the most extreme environments.
The QST30-C1340 is engineered as the prime mover for heavy machinery and critical power systems, excelling in two primary sectors:
Heavy Mining & Construction Equipment: This engine is built to withstand the relentless demands of large mining haul trucks, blast-hole drill rigs, and massive wheel loaders. Its robust construction is specifically designed for dirty, high-vibration environments where equipment failure is not an option.
High-Capacity Power Generation (G-Drive): As a generator drive engine, it provides reliable prime, standby, or continuous power. It is ideally suited for mining site power, oil & gas operations, data centers, and large industrial complexes, with outputs perfectly matching the requirements for 1,000+ kW generator sets.
Quantum System Electronics & High-Pressure Fuel System
The engine's brain is the advanced Cummins Quantum System Electronic Control Module (ECM), which integrates all sensors to precisely optimize combustion, performance, and diagnostics. It manages a high-pressure common-rail fuel system, delivering injection pressures up to 1,100 bar for exceptional fuel efficiency, power, and clean operation.
Rugged Engine Construction for Maximum Durability
Designed for a long service life, the foundation is a one-piece, cast-iron V-block with wide cylinder spacing. It utilizes ductile iron pistons for superior strength under high pressure and features a two-stage oil filtration system that removes significantly more contaminants than standard systems, drastically reducing engine wear.
Efficient Twin-Turbo Air Management
Dual high-efficiency wastegate turbochargers provide exceptional response and power density. The system is designed to utilize exhaust energy efficiently, improving both performance and fuel economy while meeting emissions targets through advanced in-cylinder technology.
Integrated Power Package Solution
For generator applications, the QST30 is often supplied as a complete Coolpac integrated power package. This includes a matched cooling system and air cleaner kit, with all components rigorously tested together to ensure peak performance, reliability, and simplified installation for OEMs and end-users.

The Cummins QST30-C1340 is a premier 30.5-liter V12 diesel engine, engineered to deliver exceptional power density, legendary durability, and superior operational efficiency for the world's toughest industrial and power generation applications. Part of the proven QST30 Quantum series, this high-horsepower engine is built to provide reliable, continuous power where productivity and uptime are critical, ensuring a low total cost of ownership even in the most extreme environments.
The QST30-C1340 is engineered as the prime mover for heavy machinery and critical power systems, excelling in two primary sectors:
Heavy Mining & Construction Equipment: This engine is built to withstand the relentless demands of large mining haul trucks, blast-hole drill rigs, and massive wheel loaders. Its robust construction is specifically designed for dirty, high-vibration environments where equipment failure is not an option.
High-Capacity Power Generation (G-Drive): As a generator drive engine, it provides reliable prime, standby, or continuous power. It is ideally suited for mining site power, oil & gas operations, data centers, and large industrial complexes, with outputs perfectly matching the requirements for 1,000+ kW generator sets.
Quantum System Electronics & High-Pressure Fuel System
The engine's brain is the advanced Cummins Quantum System Electronic Control Module (ECM), which integrates all sensors to precisely optimize combustion, performance, and diagnostics. It manages a high-pressure common-rail fuel system, delivering injection pressures up to 1,100 bar for exceptional fuel efficiency, power, and clean operation.
Rugged Engine Construction for Maximum Durability
Designed for a long service life, the foundation is a one-piece, cast-iron V-block with wide cylinder spacing. It utilizes ductile iron pistons for superior strength under high pressure and features a two-stage oil filtration system that removes significantly more contaminants than standard systems, drastically reducing engine wear.
Efficient Twin-Turbo Air Management
Dual high-efficiency wastegate turbochargers provide exceptional response and power density. The system is designed to utilize exhaust energy efficiently, improving both performance and fuel economy while meeting emissions targets through advanced in-cylinder technology.
Integrated Power Package Solution
For generator applications, the QST30 is often supplied as a complete Coolpac integrated power package. This includes a matched cooling system and air cleaner kit, with all components rigorously tested together to ensure peak performance, reliability, and simplified installation for OEMs and end-users.
