Global Nautica Center Ltd

Engine block and head
- Cylinder block and cylinder head made of cast iron
- Ladder frame fitted to engine block
- 4-valve technology with hydraulic lash adjusters
- Double overhead camshafts
- Oil-cooled pistons with two compression rings and one oil scraper ring
- Integrated cylinder liners
- Five bearing crankshaft
- Rear end transmission

Engine mounting
- Flexible engine mounting

Lubrication system
- Replaceable separate full-flow and by-pass oil filter
- Seawater-cooled tubular oil cooler
- Oil level and oil temperature sensors
- Crankcase oil separator, maintenance free unit

Fuel system
- Common rail injection system, 2000 bar
- Electronically controlled central processing system (EMS – Engine Management System)
- Fuel pressure sensor that indicates clogging in fuel filters
- Single fine fuel filter of spin-on type, with water separator and water in fuel alarm

Air inlet and exhaust system
- Air filter with replaceable insert
- Crankcase gases vented into the air inlet
- Exhaust elbow or exhaust riser
- Turbo charger, freshwater cooled
- Loss of sea water alarm

Cooling system
- Thermostatically regulated freshwater cool-ing
- Seawater cooled heat exchanger
- Coolant system prepared for hot water outlet
- Seawater impeller pump
- Engine mounted seawater strainer

Electrical system
- Marine alternator (12V/150A or 24V/80A) prepared for Pulse Width Modulation (PWM)
- Automatic fuses for engine, transmission and EVC
- Auxiliary stop switch in front of engine
- Engine available as 12V or 24V
- Power connections and fuses co-located in one connection box on engine

Electronic Vessel Control (EVC)
- Fully integrates the engines, electronics and EVC features with Glass Cockpit
- Electronic shift and throttle as standard
- Electronic steering as option in twin installations
- Plug-in connectors
- Low speed control as option
- Joystick option for twin installation
- Autopilot with Joystick Driving as option with twin installation
- Support for Easy Connect app
- Maintenance Assistant with service alert

Gear box
- Gear box with matched drop center and 8° down angle for compact installation and mini-mum propeller shaft angle. V-drive available.
- Bevel gears which results in smooth running at all speeds
- Hydraulically operated clutch for smooth shifting
- Electrical shifting performed by electromagnetic valves
- When under sail propeller shaft can rotate 24 hours without engine start
- Seawater-cooled oil cooler
- Low speed as option

Option
• U.S.C.G./MED (SOLAS)

Specifications:

• Product designation : D4-300
• Crankshaft power, kW (hp) : 221 (300)
• Propeller shaft power, kW (hp) : 212 (289)
• Engine speed, rpm : 3500
• Engne displacement, l (in3) : 3.67 (223.7)
• Engine configuration : in-line 4
• Aspiration : turbo, after cooler
• Rating : R5
• Dry weight with ZF68,  kg (lb) : 580 (1279)
• Dry weight with HS68IV, kg (lb) : 610 (1345)
• Dry weight with HS68A, kg (lb) : 580 (1279)
• Dry weight with HS85A, kg (lb) : 605 (1334)
• Ratio ZF68 : 2.783
• Ratio HS68IV : 1.992 - 2.477
• Ratio HS68A : 2.037 - 2.522
• Ratio HS85A : 2.500
• Voltage : 12V or 24V
• Emission compliance : IMO NOx, EU RCD Stage II, US EPA Tier 3
• Flywheel / flywheel housing : SAE10 /SAE4