6068S
PowerTech™ 6.8L Marine Engines
The 6.8L six-cylinder engine is offered as either a propulsion or gen drive engine in either keel cooled or heat exchanger configurations. The engines are either turbocharged, non-aftercooled, turbocharged with jacket water aftercooling or turbocharged with seawater after cooling. The propulsion engines feature constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.
Find more information on the key features of the product below:
WATERCOOLED EXHAUST MANIFOLD
Cooler and quieter environment for vessel and crew
Reduced external connections eliminates hoses and fittings that can leak or break
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 reduce chances of leaks
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 manoeuvring
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
Product features are based on published information at the time of publication. Product features are subject to change without notice. Contact your local John Deere dealer or Power Equipment for more information.
Specifications
Watercooled Exhaust Manifold
Replaceable wet-type cylinder liners
Corrosion Resistant Components
Either-side Service
| Rated speed (rpm) |
2400-2600 |
| Number of cylinders |
6 |
| Engine Type |
In-line, 4 Cycle |
| Bore and stroke (mm,mm) |
106 x 127
|