Product Description

The Cummins B5.9CMII113G Marine Auxiliary Engine is a versatile 5.9-liter, 6-cylinder diesel engine delivering 83 kW (112 HP) at 1500 RPM, with a 10% overload capacity up to 92 kW (123 HP). Designed with turbocharging and aftercooling, it provides efficient and dependable power for auxiliary generator applications on a wide range of marine vessels.

Cummins B5.9CMII113G balances performance with environmental compliance. Compact, fuel-efficient, and easy to maintain, it is the trusted choice for shipowners, engineers, and procurement managers seeking reliable auxiliary power with global Cummins support.

Key Specifications

• Engine Model: Cummins B5.9CMII113G
• Prime Power: 83 kW (112 HP) @ 1500 RPM
• Overload Power: 92 kW (123 HP) – 1 hr in 12 hrs
• Configuration: 4-stroke, inline 6-cylinder
• Displacement: 5.9 L (360 in³)
• Bore × Stroke: 102 × 120 mm (4.02 × 4.72 in)
• Compression Ratio: 17.3:1
• Aspiration: Turbocharged / Aftercooled
• Fuel System: High-Pressure Common Rail (HPCR)
• Torque: 530–584 Nm (392–431 lb·ft)

• Fuel Consumption (ISO 8178 D2 Cycle):

  • 110% Load: 23.0 L/h (6.09 gal/h)
  • 100% Load: 21.6 L/h (5.71 gal/h)
  • 75% Load: 17.7 L/h (4.7 gal/h)
  • 50% Load: 12.7 L/h (3.4 gal/h)
• Air Flow: 89–93 L/s (188–197 cfm)
• Exhaust Gas Flow: 249–264 L/s (528–559 cfm)
• Exhaust Temperature: 560–572 °C (1040–1061 °F)
• Dry Weight: 543 kg (1,197 lbs) engine only / 641 kg (1,413 lbs) with heat exchanger
• Noise Level: < 93 dB at 1 m

Product Advantages

• Compact & Powerful – Delivers high output in a space-saving design
• Fuel-Efficient Operation – Lower fuel burn, reduced operating cost
• Proven Reliability – Built for demanding marine environments
• Global Service Network – Cummins worldwide support for parts & service

• Compliant – Meets IMO Tier II and China Stage II emission standards

Key Features

• Turbocharged and aftercooled for enhanced performance
• 10% overload capacity for short-term high demand
• Easy maintenance with accessible service points
• Low noise and vibration for crew comfort

• Robust design ensuring long service life

Applications

• Auxiliary generator sets for cargo, tanker, and fishing vessels
• Electrical supply for offshore support vessels
• Hotel load and auxiliary power for passenger ferries and cruise ships

• Emergency backup power for critical onboard systems

Product Availability

Available worldwide through Cummins’ authorized marine distributors. Supported with full installation, commissioning, spare parts supply, and global aftersales service.

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Each and every product manufactured is tested, inspected and is guaranteed to meet the performance specitications.