MITSUBISHI S12R-MPTAW-4 Marine Diesel Engine

The MITSUBISHI S12R-MPTAW-4 is a high-performance marine diesel engine designed for demanding industrial and commercial maritime applications. Delivering an impressive 1270 kW 1704 hp at optimal operating speeds, this 12-cylinder in-line engine combines robust construction with advanced engineering to ensure exceptional reliability and efficiency in continuous marine operations.

Built with precision, the S12R-MPTAW-4 features a turbocharged, aftercooled system for optimal combustion, reduced fuel consumption, and lower emissions, making it ideal for modern marine propulsion needs. Its rugged design minimizes vibration and noise while maintaining high power output, providing smooth and dependable operation in a variety of sea conditions.

This engine is well-suited for medium to large vessels, including cargo ships, passenger ferries, and offshore support vessels, where consistent performance and durability are critical. The S12R-MPTAW-4 also incorporates advanced monitoring capabilities, allowing operators to maintain peak efficiency and simplify maintenance routines.

With Mitsubishi proven engineering, the S12R-MPTAW-4 ensures long service life, superior fuel economy, and compliance with modern marine standards, making it a top choice for shipowners seeking performance and reliability.

Specifications:

• Engine Type: 12-cylinder, in-line, 4-stroke marine diesel engine

• Model: S12R-MPTAW-4

• Power Output: 1270 kW (1704 hp)

• Rated Speed: 1800 RPM (standard marine rating)

• Bore × Stroke: 200 mm × 230 mm (7.87 in × 9.06 in)

• Displacement: 86.3 liters (5270 cu in)

• Aspiration: Turbocharged and aftercooled (TA)

• Fuel System: Direct fuel injection

• Cooling System: Freshwater-cooled with heat exchanger

• Lubrication System: Forced lubrication with full-flow oil filter

• Compression Ratio: 14.0:1

• Governor: Mechanical / Optional electronic governor

• Dimensions (L × W × H): Approx. 4300 mm × 1400 mm × 1950 mm

• Dry Weight: Approx. 10,500 kg

• Exhaust Outlet: Wet type, water-jacketed

• Starting System: Electric starter motor

• Noise Level: Low noise design for marine applications

• Applications: Medium to large commercial vessels, cargo ships, passenger ferries, offshore support vessels