Proven legacy in tough commercial marine environments, hard earned over the last 25 years
Designed to withstand the challenging conditions commercial marine operators often face; this same reliable, durable power is now available for recreational boating applications, including super yachts and yacht support vessels
IMO Tier I certified and many ratings are also IMO Tier II certified
Covered by a comprehensive one year warranty and backed by Cummins global service network
Built at Daventry Engine Plant in Daventry, U.K.
Engine Design
Low profile for ease of installation and service. Replaceable wet cylinder liners offer longer life and lower rebuild cost. Gallery cooled pistons for maximum durability
Fuel System
Dependable Cummins PT fuel system can be operated mechanically or with CENTRY electronics for precise engine fueling. Step Timing Control (STC) allows for smooth engine acceleration under load
Cooling System
Keel cooled or engine mounted plate heat exchanger for reduced installation cost and less maintenance. Spin-on Cummins water treatment filters for protection against cooling system corrosion
Exhaust System
Dry exhaust manifold with water shielding for reduced fuel consumption and improved performance
Air System
Marine grade air filters with air inlet restriction indicator. Twin Cummins turbochargers optimized for marine usage
Lubrication System
Standard (151 L [40 gal]) or high capacity (185 L [49 gal]) marine grade oil pan. Cummins spin-on oil filter cartridge available for simplified service
Electronics
24-volt standard electrical system with 12-volt option available. Marine grade wiring harness
Certifications
Complies with IMO Tier II emissions regulations
Photos
Highlights
Sleepy Eye, Minnesota
2024
Cummins
KTA50 For Marine KTA50-M2 1398
Available
Specifications
2024
Cummins
KTA50 For Marine
KTA50-M2 1398
General
1901 MHP | 1875 BHP | (1398 kW)
1950 RPM
V-16
Turbocharged / Aftercooled
6.25 in (159 mm)
6.25 in (159 mm)
3068 in (50 L)
IMO 1
4-stroke diesel | Pressure Time (PT)
104 in (2694 mm)
62 in (1564 mm)
89 in (2260 mm)
11,389 lbs (5166 kg)
Rotation: Counterclockwise facing flywheel | Rating: Medium Continuous