Volvo Penta Marine

Marine Inboard Engines

D8 Series

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Volvo Penta D8-450 is an in-line 6-cylinder, 7.7-liter diesel engine using common-rail fuel injection, double overhead camshafts, a twin-entry turbo, and supercharger. This contributes to excellent reliability and long-term durability. The outstanding power-to-weight ratio and low fuel consumption give excellent operating economy.

Product Highlights

  • The common-rail technology means minimal vibrations and low noise levels. The wide rpm range provides smooth handling during both acceleration and cruising.
  • This engine is perfect for applications that require low weight with high power in order to achieve peak performance, often in demanding conditions.
  • The unique marine torque of the Volvo Penta diesel engines stands out among the competition by offering increased load-carrying capability, rapid acceleration, and the ability to maintain a high cruising speed, irrespective of load or sea state
  • The high-tech fuel injection system together with the light and compact dimensions help make the engine highly fuel efficient. The control unit monitors several parameters to reduce the overall fuel consumption.

Specifications

D8-450D8-510D8-550
Rated270028502900
Crankshaft Power, kW (kW)331t374405
Crankshaft Power, hp (hp)450509550
RatingtRating 3Rating 4Rating 4
Emission complianceEPA Tier 3, IMO Nox Tier IIEPA Tier 3, IMO Nox Tier IItEPA Tier 3, IMO Nox Tier II
Number of Cylinders666
AspirationtTwin entry turbo with charge air coolertTwin entry turbo with charge air coolertTwin entry turbo with charge air cooler
High-pressure fuel injectiontCommon-rail fuel injectionCommon-rail fuel injectionCommon-rail fuel injection
Control systemtElectronic Vessel ControltElectronic Vessel ControltElectronic Vessel Control
Cooling systemtHeat Exchanger Cooling, Keel CoolingHeat Exchanger Cooling, Keel CoolingHeat Exchanger Cooling, Keel Cooling
Fuel consumption (g/kWh)219226
Displacement (L)7.7t7.7t7.7