MITSUBISHI S6R2-T2MPTK Marine Diesel Engine

The MITSUBISHI S6R2-T2MPTK is a high-performance 6-cylinder, 4-stroke marine diesel engine engineered to deliver reliable power and efficiency for a wide range of commercial and industrial marine applications. With a rated output of 610 kW at 1500 rpm, this engine provides robust propulsion and dependable operation, making it well suited for medium-sized vessels such as workboats, tugs, fishing boats, passenger ferries, and offshore support craft.

Designed with Mitsubishi’s advanced combustion and turbocharging technology, the S6R2-T2MPTK features a turbocharged and aftercooled (TA) configuration that enhances fuel efficiency, reduces emissions, and ensures consistent power delivery even under heavy load conditions. Its sturdy construction and precision-engineered components contribute to long operational life with minimal downtime.

Built for demanding marine environments, the S6R2-T2MPTK integrates optimized cooling and lubrication systems that maintain stable performance across varying sea states and ambient conditions. Operators benefit from low-noise, low-vibration operation and easy access for maintenance and serviceability.

Whether used for main propulsion or auxiliary power, the MITSUBISHI S6R2-T2MPTK combines proven durability with Mitsubishi global service network for parts and support, offering vessel owners a cost-effective and reliable power solution that meets contemporary marine standards.

Specifications:

• Engine Type: 6-cylinder, in-line, 4-stroke marine diesel engine

• Model: S6R2-T2MPTK

• Rated Power Output: 610 kW (≈ 818 HP)

• Rated Speed: 1500 RPM

• Additional Power Ratings:

  • 530 kW @ 1400 RPM

  • 480 kW @ 1350 RPM

• Total Displacement: 29.96 liters

• Bore × Stroke: 170 mm × 220 mm

• Aspiration: Turbocharged and aftercooled

• Fuel System: Direct fuel injection

• Compression Ratio: 14.0 : 1

• Cooling System: Freshwater cooling with heat exchanger (seawater indirect cooling)

• Lubrication System: Forced-feed lubrication with full-flow oil filtration

• Flywheel Housing: SAE No.0

• Dimensions (L × W × H): Approx. 2023 × 1160 × 1694 mm

• Dry Weight: Approx. 3030 kg

• Emission Compliance: IMO Tier II (depending on configuration)

• Applications: Main propulsion for workboats, ferries, tugs, fishing vessels, and auxiliary generator sets