📦 Product Description 

The Cummins K50-DM (1291kW @ 1800 RPM) Marine Auxiliary Engine is the smart choice for shipowners and procurement teams seeking cost-effective auxiliary power for large commercial vessels and offshore platforms.

With IMO Tier II certification, it meets global emission standards, reducing compliance risk. Its low specific fuel consumption (0.207 kg/kWh) directly cuts operating costs, while its proven K50 platform ensures uninterrupted power supply for continuous-duty marine generator applications.

Most importantly, the K50-DM marine power engine is minimizing downtime and safeguarding your vessel’s operational schedule— critical for procurement and fleet managers overseeing multiple assets worldwide.

📊 Key Specifications 

• Model: Cummins K50-DM1291
• Prime Power: 1291 kW (1730 HP) @ 1800 RPM
• Bore × Stroke: 159 mm × 159 mm (6.25 in × 6.25 in)
• Compression Ratio: 14.5:1
• Rated Torque (Prime): 6844 Nm (5048 lb-ft)
• Overload Torque (110%): 7516 Nm (5544 lb-ft)
• Cylinder Arrangement: 16 Cylinders, V Type, 4 Stroke, Diesel
• Overload Capability: 1417 kW (1900 HP) – 10% for peak demands
• Torque: 6844 Nm (prime) / 7516 Nm (overload)
• Displacement: 50 L
• Exhaust Type: Dry
• Configuration: turbocharged & aftercooled (LTA)
• Fuel System: Cummins PT (Pressure-Time) Direct Injection

• Fuel Consumption:

  • 100% load: 243 L/h

  • 75% load: 188 L/h

  • Specific: 0.207 kg/kWh

• Cooling Type: Freshwater, Heat Exchanger or Keel Cooling
• Starting System Voltage: 24V DC (dual starter motors standard)
• Emission Compliance: IMO Tier II (ISO 8178 D2/E2)
• Dry Weight: 4,853 kg (10,700 lbs)
• Dimensions (L × W × H): 3000 × 1600 × 2000 mm (118.1 × 63 × 78.7 in)

• Service Interval: Extended hours between overhauls reduce lifetime cost

✅ Why It’s the Right Choice for Procurement Teams

• Lower Total Cost of Ownership: Fuel efficiency plus extended maintenance intervals.
• Regulatory Compliance Assured: IMO II certification for unrestricted global trade routes.
• Proven Reliability: Built on Cummins’ track record with large fleet operators worldwide.
• Global Service Support: 190+ countries with certified Cummins parts and technicians.

• Reduced Downtime: Easy access to parts and standardized maintenance procedures.

🔧 Procurement-Driven Features

• Designed for continuous generator power on tankers, bulk carriers, offshore rigs.
• Simplified fleet maintenance with shared components across Cummins K-series engines.
• Durable construction built for 24/7 marine auxiliary power in demanding sea conditions.

• Flexible cooling options (heat exchanger or keel cooled) for different ship designs.

🚢 Applications

• Marine Generator Sets for VLCCs, bulk carriers, and offshore platforms
• Electrical backup for LNG terminals and heavy-lift ships

• Large-scale auxiliary power for port cranes and cargo operations

📦 Procurement Value

Choosing the Cummins K50-DM means lower OPEX, guaranteed spare parts availability, and a single-engine solution scalable across fleets.

📦Request a Detailed Quote for Your Needs

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