6068SFM50 Marine Propulsion Engine

6068SFM50 Marine Propulsion Engine

Overview

  • 6.8L PowerTech™
  • 176-224 KW (236-300 HP)
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Features

Features

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Water-cooled exhaust manifold

  • Cooler and quieter environment for vessel and crew

Replaceable wet-type cylinder liners

  • Excellent heat dissipation
  • Hardened and precision machined for long life
  • Rebuild to original specifications

Corrosion resistant components

  • Provides engine protection from the effects of seawater

Either-side service

  • Oil fill and dipstick combinations
  • Remote oil filter for easier service access
  • Application and service flexibility to provide installation convenience plus fast and easy maintenance

Heat exchanger

  • High-capacity heat exchanger designed for reliable operation in adverse conditions
  • Integrated expansion tank, heat exchanger and exhaust manifold
  • Seawater aftercooler for increased power and efficiency

High torque and low rated RPM

  • Enables the engine to turn larger propellers at lower speed for best efficiency
  • Excellent vessel control and maneuvering
  • Lower rated rpm limits vibration and noise for better crew comfort

Fuel system

  • Electronically controlled rotary fuel injection pump with variable timing resulting in excellent fuel economy and excellent performance
  • Self diagnostics and protection
  • Electronic instrument panel with plain text messaging

Specifications

Emissions

IMO MARPOL Annex VI
EPA Commercial Marine (40 CFG Part 94)

General Data (based on standard option configuration)

Model 6068SFM50
Number of cylinders 6
Displacement-- L (cu in) 6.8 (415)
Bore and Stroke-- mm (in) 106 x 127 (4.17 x 5.00)
Engine Type In-line, 4- Cycle
Aspiration Air-to-sea water
Length - mm (in) 1183 (46.6)
Width Maximum - mm (in) 721 (28.4)
Height - mm (in) 946 (37.2)
Height, crankshaft centerline to top - mm (in) 619 (24.4)
Height, crankshaft centerline to bottom - mm (in) 327 (12.9)
Weight, dry - kg (lb) 776 (1711)

Classification Societies

CRS,DNV-GL,LR

Engine Specifications

Performance Rating Power KW (bhp)
Rated Speed (rpm)
Rated fuel consumption L/hr(gal/hr)
M3 176 ( 236 )
2400
45.5 ( 12.0 )
M4 199 ( 267 )
2500
51.6 ( 13.6 )
M5 224 ( 300 )
2600
59.1 ( 15.6 )

M rating

M3 - Typical annual usage (hr) 000-4
M3 - Typical full-power operation (hr) 4 of each 12 hr
M3 - Typical load factor <=50%
M4 - Typical annual usage (hr) 000-3
M4 - Typical full-power operation (hr) 1 of each 12 hr
M4 - Typical load factor <=40%
M5 - Typical annual usage (hr) 000 hr
M5 - Typical full-power operation (hr) 0.5 of each 8 hr
M5 - Typical load factor <=35%