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John Deere 6068SFM Marine Diesel
Features & Benefits
Performance data
Engine dimensions

Features & Benefits
  • Water-cooled turbocharger and exhaust manifold
    • Provides cooler and quieter performance for vessel and crew
  • Integrated exhaust manifold, heat exchanger, and expansion tank eliminates hoses and fittings that can leak or break
  • Replaceable wet-type cylinder liners
    • Cast and precision machined and hardened for long life
    • Enables engine to be rebuilt to original factory specs within the hull
    • Easier to overhaul than competitive parent metal block engines
  • Corrosion resistant components
    • Provides protection for the engine from the effects of seawater
  • Either side service
    • Oil fill/dipstick combinations on either side
    • Oil/fuel filters can be engine or remote mounted
    • Application and service flexibility to provide installation convenience plus fast and easy maintenance
  • Poly-vee belt drive
    • Poly-vee belt provides increased capacity with reduced maintenance
    • Belt guard designed for simple belt inspection and easy belt replacement
  • Heat exchanger
    • High-capacity heat exchanger designed for reliable operation in adverse conditions
    • Easy to clean and service
  • High torque and low rated rpm
    • Enables the engine to turn larger propellers more efficiently
    • Provides good control and maneuverability
    • Low rated rpm limits vibration and noise for crew comfort
  • Electronically Controlled
    • Simplifies Installation
    • Protection by self diagnosis
    • Excellent fuel economy
    • Excellent throttle response

Performance Data
Engine Model Cyl. Displacement Marine Rating Power Rating Peak Torque Fuel Consumption
6068SFM   6   6.8 L (414 cu.in.)   M1 182 hp (136 kWm) @ 2200 rpm 830 Nm (612 lb-ft) @ 1500 rpm 36.4 L (9.6 gal) / hr
M1 249 hp (186 kwm) @ 2400 rpm 987 Nm (728 lb-ft) @ 1800 rpm 47.3 L (12.5 gal) / hr
M2 209 hp (155 kWm) @ 2300 rpm 853 Nm (629 lb-ft) @ 1600 rpm
M2 280 hp (209 kWm) @ 2500 rpm 1037 Nm (765 lb-ft) @ 1900 rpm 52.2 L (13.8 gal) / hr
M3 236 hp (176 kWm) @ 2400 rpm 915 Nm (674 lb-ft) @ 1600 rpm 40.1 L (10.6 gal)/hr
M3 321 hp (239 kWm) @ 2600 rpm 1111 Nm (820 lb-ft) @ 1900 rpm 60.2 L (15.9 gal) / hr
M4 267 hp (199 kWm) @ 2500 rpm 975 Nm (719 lb-ft) @ 1800 rpm 45.5 L (12.0 gal) / hr
M4 355 hp (265 kWm) @ 2700 rpm 1188 Nm (876 lb-ft) @ 2000 rpm 67 L (17.7 gal) / hr
M5 300 hp (224 kWm) @ 2600 rpm 1005 Nm (741 lb-ft) @ 2000 rpm 51.6 L (13.6 gal) / hr
M5 400 hp (298 kWm) @ 2800 rpm 1232 Nm (909 lb-ft) @ 2200 rpm 77.6 L (20.5 gal) / hr

Engine Dimensions*
Engine Model Length Width Height Weight
6068SFM 1183 mm (46.6 in) 721 mm (28.4 in) 619 mm (24.4 in) 636 kg (1402 lb)
* Dimensions are based on engine with “standard configuration" including flywheel, flywheel housing, and electronics. Actual numbers may vary depending on selected options.