Cummins KTA19-M3 640HP Marine Diesel Engine | Heavy-Duty Marine Propulsion Engine

Product Description of KTA19-M3 Marine Generator Set

• The Cummins KTA19-M3 640HP Marine Main Engine is a heavy-duty, turbocharged and aftercooled 6-cylinder inline diesel engine, 19 liters four-strokes engine with 159 mm (6.25 in) bore and 159 mm (6.25 in) stroke, designed to deliver reliable performance for marine propulsion.
• KTA19-640HP Marine Propulsion Engine equipped with PT Fuel System, comes with turbocharger and Water-Air intercooler, this marine diesel engine combines powerful output with excellent fuel efficiency and complies with IMO-NOx requirements of the International Maritime Organization (IMO).
• Based on standard Cummins marine main engines, we provides both heat exchanger cooling and keel cooling marine main engines, we also provide complete propulsion system that including marine engine, gearbox, shaft, propeller as complete power system.
• With its robust design and proven durability, the KTA19-M3 is a trusted solution for workboats, patrol vessels, fishing boats, and other commercial applications requiring dependable propulsion power.

Engine Specifications

• Model: KTA19-M3 640HP
• Engine Type: 6-cylinder, 4-stroke, in-line
• Displacement: 19 Liters (1150 in³)
• Bore x Stroke: 159 mm x 159 mm
• Rated Power Output: 477 kW / 640 HP @ 1800 RPM
• Peak Torque: 2830 Nm @ 1400 RPM
• Aspiration: Turbocharged & Aftercooled
• Fuel System: PT (Pressure Time)
• Compression Ratio: 13.8:1
• Idle Speed (Min/Max): 650 RPM / 2016 RPM
• Dry Weight (with heat exchanger): 2251 kg (4962 lbs)
• Cooling System: Jacket Water Aftercooled (JWAC)
• Fuel Consumption (at 1800 RPM): 120 L/h (32 gal/h)
• Emission Compliance: IMO MARPOL 73/78 Annex VI

Engine Advantages

• High Output Power: 640 HP rating ensures strong propulsion for a wide range of marine applications.
• Fuel Efficient: Advanced fuel system ensures optimal combustion and lower operating costs.
• Durable Construction: Engineered for long service life even in tough marine conditions.
• Regulatory Compliance: Certified to meet IMO NOx emission standards.
• Safety Regulations: Water-cooled turbocharger and exhaust reduce engine surface temperature for SOLAS compliance.

Key Features

• Heavy-duty design with PT fuel system and turbocharged/aftercooled aspiration
• High torque at low RPM for improved vessel control
• Rated for continuous operation in variable load marine environments
• Designed for up to 5,000 hours of operation per year under heavy-duty rating
• ISO 8665 and SAE J1228 compliant performance standards
• Built-in flexibility to match various gear or propulsion systems

Applications

The Cummins KTA19-M3 640HP Vessel Propulsion Engine is ideal for:

• Commercial workboats and tugboats
• Offshore supply vessels (OSVs)
• Patrol boats and security craft
• Fishing trawlers
• Ferries and passenger vessels
• Marine vessels requiring high-endurance propulsion solutions