Cummins KTA19 marine engine

KTA19 Marin Engin | 425-700HP

Cummins K19-M series marine main engine is a 6-cylinder in line, 19-liter four-strokes engine with 159 mm (6.25 in) bore and 159 mm (6.25 in) stroke. Cummins K19-M series marine main engine equipped with PT Fuel System comes with the turbocharger. The prime power range of the CCEC K19-M series marine main engine is from 425 HP to 700 HP (317 kW to 522 kW). The torque range of the K19-M Series marine main engine is 1851 N.m to 2830 N.m.

  • Brand: Cummins
  • Origin: China
  • Certification: ISO 9001
  • Model: KT19/KTA19/KTAA19/KTTA19

Cummins KTA19 Marine Engine Model

Cummins KTA19 Marine Engine
KTA19-M500KTA19-M550KTA19-M600KTA19-M640
KTA19-M425KTA19-M470KT19 M470KTA19-M500
KTA19-M550KTA19-M3-500KTA19-M600KTA19-M640
KTA19-M700KTA19 – D(M)336KTA19 – D(M)392KTA19 – D(M)403
KTA19 – D(M)448KTA19 – D(M)463KTA19 – D(M)507

Product Description

The Cummins KTA19 Marine Engine is a 6-cylinder, 19-liter inline diesel engine built for reliable performance in marine propulsion and auxiliary power applications. Featuring turbocharging and aftercooling, it delivers 425 to 700 horsepower, high torque output, and exceptional durability — even in the most demanding marine environments.

With a compact design, IMO-compliant emissions, and low-maintenance mechanical fuel system, the KTA19 is ideal for fishing vessels, tugboats, ferries, workboats, and offshore support vessels.

JOZ offers competitive wholesale prices and reliable after-sales service. With a team of professional engineers and technicians, we provide comprehensive technical support, including on-site services, to meet diverse customer needs.

Key Features

  1. Engineered for Marine Environments
    Built to endure continuous and variable-duty marine applications.
  2. Proven Configuration
    • 6-cylinder in-line design for balance and serviceability
    • 4-stroke cycle improves combustion efficiency and durability
  3. Turbocharged + Aftercooled
    • Enhanced power density
    • Reduced thermal stress
    • Models available: T (Turbo), TA (Water-to-Air Aftercooler), TAA (Air-to-Air Aftercooler)
  4. PT Fuel System
    • Mechanical pressure-time system
    • Simplified components and global parts availability
    • Easy to maintain with minimal electronics
  5. Versatile Applications
    • KTA19-M: Used in marine propulsion systems
    • KTA19-DM: Ideal for auxiliary power, marine gensets

Technical Specifications

Engine Type6 Cylinders, in Line
Displacement19 L
Bore * Stroke159 mm * 159 mm
Advertised Power425 – 700 HP @ 1800 – 2100 RPM
Peak Torque1851 – 2830 N.m @ 1400 – 1900 RPM
Rated Speed1800 – 2100 RPM
EmissisionEuro II
Aspiration MethodTurbocharged & Water – Air Intercooler
Dry Weight1634 – 2073 kg
Packing Size (L * W * H)1573 mm * 796 mm * 1343 mm

Applications

  • Tugboats & Pushers
  • Fishing Trawlers
  • Ferries & Passenger Boats
  • Dredgers
  • Offshore Supply Vessels
  • Workboats
  • Marine Generator Applications

Technical Comparison Table

SpecificationK19-M (Main Engine)K19-DM (Auxiliary Engine)
ConfigurationInline 6-cylinder, 4-strokeInline 6-cylinder, 4-stroke
Displacement19 Liters19 Liters
Bore x Stroke159 mm x 159 mm (6.25″ x 6.25″)159 mm x 159 mm (6.25″ x 6.25″)
Fuel SystemPT Mechanical InjectionPT Mechanical Injection
AspirationTurbocharged / Aftercooled (TA/TAA)Turbocharged / Aftercooled (TA/TAA)
Power Output425 – 700 HP (317 – 522 kW)450 – 680 HP (336 – 507 kW)
Torque Range1851 – 2830 N·m2349 – 3208 N·m
Primary UseMain PropulsionGenerator Drive / Auxiliary

Custom Options & Engineering Support

We tailor the KTA19 Marine Engine to your fleet’s needs:

  • Onboard Installation & Tuning
  • Global Engineering & Field Support
  • Genuine Cummins Spare Parts Supply
  • 2-Year / 2,000-Hour Warranty
  • Rapid Response for Downtime Minimization
  • 24/7 Technical Consultation Available
  • Torsional vibration analysis included

service and support

Powered by JOZ — Authorized Cummins Dealer

  • Onboard Installation & Tuning
  • Global Engineering & Field Support
  • Genuine Cummins Spare Parts Supply
  • 2-Year / 2,000-Hour Warranty
  • Rapid Response for Downtime Minimization

Pre-Sales Service

  • Inquiry and consulting support.
  • Sample testing support.
  • View Factory.

After-Sales Service

  • Training how to instal the machine, training how to use the machine.
  • Engineers available to service machinery overseas.

Transaction Information

  • Minimum order quantity: 1set
  • Payment method: T/T
  • Supply capacity: 100 units/month
  • Delivery deadline: 30 days
  • Normal packing is Cummins original wooden case(size:L*W*H). When exporting to some special countries, the wooden case will be fumigated. If the container is too thick, we will use PE film to pack or pack it according to customers’ special request.

FAQs – Cummins KTA19 Marine Engine

A: KTA19-M is used for vessel propulsion. KTA19-DM is designed for marine auxiliary use such as generator sets.

A: Yes. We support retrofit projects with full engineering support and flexible mounting solutions.

Yes. The Cummins PT system is robust and works well with standard marine diesel fuels.