6BT5.9 for Marine

Overview

6BT5.9 for Marine

78-112 kW | 104-150 hp

  • Proven legacy in tough commercial marine environments, hard earned over the last 25 years
  • Ideal solution for emergency or ship service power, power units, fire pumps and hydraulic units
  • Covered by a comprehensive one year warranty and backed by Cummins global service network
  • Built at Darlington Engine Plant in Darlington, U.K.

Specifications

Configuration In-line, 6 cylinder, 4-stroke diesel
Aspiration Turbocharged
Displacement 5.9 L (359 in3)
Bore & Stroke 102 x 120 mm (4.02 x 4.75 in)
Fuel System Inline Injection Pump

Product Dimensions and Weight 

Overall Length

mm (in)

1020

(40)

Length of Block

mm (in)

 

 

Overall Width

mm (in)

601

(24)

Overall Height

mm (in)

1201

(847)

Overall Weight

kg (lb)

426

(940)

Dimensions may vary based on selected engine configuration.





Engine Finder Specifications

Markets
Power 104 - 150 hp / 78 - 112 kW

Ratings

Marine Auxiliary Engines (Fixed Speed Ratings)

Engine Model

kW

MHP

BHP

Engine Speed (RPM)

Rating Definition

Emissions

6BT5.9-DM

78

105

104

1500 (50 Hz)

Prime Power

Not Certified

6BT5.9-DM

91

124

122

1500 (50 Hz)

Prime Power

Not Certified

6BT5.9-DM

91

124

122

1800 (60 Hz)

Prime Power

Not Certified

6BT5.9-DM

112

152

150

1800 (60 Hz)

Prime Power

Not Certified


For more information on marine ratings, click here. For more on marine emissions information, click here

Features

Engine Design: Robust engine block designed for continuous duty operation and long life. Single cylinder head with four valves per cylinder enhances performance

Fuel System: Rotary fuel pump with optional electronic governor for precise fueling and engine speed

Cooling System: Single loop keel cooling or engine mounted heat exchanger available for simplified installation. Optional fan drive for radiator applications

Exhaust System: Water cooled exhaust manifold reduces emissions and cools engine surface temperatures

Air System: Cummins turbocharger optimized for marine applications. Jacket water aftercooled

Lubrication System: Standard capacity (14.2 L [3.8 g]) oil pan available with rear, front or center sump for installation flexibility. Spin on Cummins lube filters

Certifications: Marine Classification Society approvals from IACS members and SOLAS compliant configurations available; check with your local Cummins professional for a current list of certifications available on this engine

Optional Equipment 

  • Engine mounted and remote instrument panels
  • Remote duplex oil and fuel filters
  • Power take-off available from front of crankshaft
  • SAE A or B power take-off

Brochures Available

Title Bulletin Number Request View  
6B Commercial and Recreational Marine Spec Sheet 4087459 View  Download
6B Commercial and Recreational Marine Spec Sheet – A4 version 4087460 View  Download
Marine Commercial Transport Brochure 4082096 Request View  Download
Marine Products Guide 3381946 Request View  Download

Technical Documents Available

Title Bulletin Number View  
4B/6B/6C Auxiliary (DEP Built Engines) Wiring Diagram 3968155 View  Download
6B Marine Auxiliary Wiring Diagram 4948166 View  Download
6B Marine Performance Curve 78 kW @ 1500 RPM D(M)-90441 View  Download
6B/6BT5.9-D(M) Marine Engine General Datasheet DS-4020 View  Download
6B5.9-D(M) Marine Performance Curve 66 kW (88 hp) @ 1800 RPM (Not Certified) D(M)-90436 View  Download
6BT5.9-D(M) Installation Drawing 3170397 View  Download
6BT5.9-D(M) Marine Performance Curve 112 kW (150 hp) @ 1800 RPM (Not Certified) D(M)-90438 View  Download
6BT5.9-D(M) Marine Performance Curve 91 kW (122 hp) @ 1500 RPM (Not Certified) D(M)-90437 View  Download
6BT5.9-D(M) Marine Performance Curve 91 kW (122 hp) @ 1800 RPM (Not Certified) D(M)-90439 View  Download
6BTA5.9-D(M) Installation Drawing 3170706 View  Download