Mitsubishi S12R-Y3MPTAW-3 Diesel Engine
 
1260 HP @ 1600 RPM
 
Available through Frontier Power — supplying trusted industrial diesel engines and dependable generator drive solutions.
 
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Overview
 
The Mitsubishi S12R-Y3MPTAW-3 is a high-performance 12-cylinder, V-type industrial diesel engine from Mitsubishi Heavy Industries. Designed for generator set applications, it provides powerful, efficient, and steady output for both standby and prime duty operations. With its rugged design and proven reliability, the S12R-Y3MPTAW-3 is built to handle demanding industrial and commercial environments.
 
 
Key Features
 
Power Output – Rated at 1260 HP @ 1600 rpm for strong generator drive performance.
V12 Turbocharged Design – Turbocharged and aftercooled for stable power under heavy loads.
Durable Construction – Built for long operating life in continuous and standby duty cycles.
Efficient Systems – Mitsubishi’s advanced fuel injection and cooling systems ensure reliable performance.
Service-Friendly – Maintenance-oriented layout with shared parts across the R-series engines.
Flexible Applications – Suitable for a variety of generator drive system configurations.
 
 
Applications
 
The S12R-Y3MPTAW-3 is widely used in industrial and commercial power generation, including:
 
Generator Sets – Suitable for both standby and continuous duty.
Critical Infrastructure – Reliable backup for hospitals, utilities, data centers, and telecom networks.
Industrial Operations – Proven in mining, manufacturing, and distributed energy systems.