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MarineDiesel VGT450

MarineDiesel VGT450

Product catalog summary
Overview: The MarineDiesel VGT450 is a high-performance marine engine designed for light high-speed vessels. It features a 6.6L V8 configuration, offering 336 kW (450 bhp) at 3600 rpm. The engine is compact and lightweight, ensuring durability and serviceability.
Specifications:
  • Model: MD-VGT32
  • Number of Cylinders: 8
  • Displacement: 6.6L
  • Bore x Stroke: 103 x 98 mm
  • Compression Ratio: 16:18:1
  • Valves per Cylinder: 4
  • Firing Order: 1-2-7-8-4-5-6-3
  • Combustion System: DI Common Rail
  • Engine Type: V8
  • Aspiration: Variable Geometry Turbo
  • Charge Air Cooling: Air to Water
Physical Data:
  • Length: 779 mm
  • Width: 825 mm
  • Height: 973 mm
  • Weight (dry): 510 kg
Air System:
  • Max Intake Restriction: 6 kPa
  • Engine Air Flow: 30 m³/min
  • Recommended Air Intake Pipe Diameter: 100 mm
  • Minimum Intake Air per Engine: 1200 cm²
Cooling System:
  • Type: Closed Cooling
  • Coolant Flow: 304 L/min
  • Raw Water Pump Flow: 150 L/min
  • Thermostat Start to Open: 70°C
  • Thermostat Fully Open: 78°C
  • Engine Coolant Capacity: 18 L
Fuel System:
  • Fuel Injection Pump: Bosch Common Rail
  • Governor Regulation: 1%
  • Governor Type: Electronic
  • Fuel Filter Micron Size: 10
Lubrication System:
  • Oil Pressure at 2000 rpm: 30-45 psi
  • Oil Pressure at Low Idle: 12 psi
  • Max Oil Temperature: 120°C
Exhaust System:
  • Exhaust Flow: 70 m³/min
  • Max Exhaust Temperature: 750°C
  • Max Allowable Exhaust Backpressure: 7.5 kPa
Electrical System:
  • Recommended Battery Capacity: 1050 CCA
  • Max Allowable Start Circuit Resistance: 0.001 ohm
Communication: The engine supports J1939 and NMEA2000 CAN communication protocols, and a laptop-based diagnostics tool is available for all VGT and TSC engines.
Emissions: The engine complies with RCD, IMO, EPA Tier 3, and CE3 standards.
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Catalog excerpts

MarineDiesel VGT450-1

MarineDiesel VGT450 336 kW (450 bhp) @3600 rpm All MarineDiesel VGT Common-Rail engines are based on the 6.6L V8 configuration and are designed to be as compact and light weight as possible while maintaining durability and serviceability. The VGT450 is intended for light high speed vessels. Laptop based diagnostics tool is available for all VGT and TSC engines. J1939 and NMEA2000 CAN communication. General Data Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MD-VGT32 Number of cyl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Displacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.6L Bore X stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 X 98 mm Compression ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16:18:1 Valves per cyl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Firing order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2-7-8-4-5-6-3 Combustion system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DI Common rail Engine type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V8 Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Variable geometry turbo Charge air cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air to water Max crankcase press kPa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 Physical Data Length, mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Width, mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Height, mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weight dry, kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MD270. Product sheet ©, version 1.0 2023

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