The Mitsubishi 4D56 is a 2.5L (2477cc) in-line 4-cylinder turbo diesel engine, known for its versatility and use in various Mitsubishi and Hyundai vehicles, offering power outputs ranging from approximately 84 hp (non-intercooled) to 178 hp (with common rail and variable geometry turbo). Key specifications include a bore of 91.1mm and a stroke of 95mm, with a compression ratio of 21:1, and typically featuring a belt-driven timing system and a cast iron cylinder block with an aluminum cylinder head.
Detailed Specifications of the Mitsubishi 4D56 Turbo Engine:
Valvetrain:SOHC (Single Overhead Camshaft) in earlier models, later 16-valve DOHC versions became prevalent with common rail systems.
Fuel System:Varies by model; early versions used mechanical high-pressure fuel pump, with later models featuring Denso common rail direct injection.
Turbocharging:Yes, various turbocharger setups including Mitsubishi TD04 and TF035.
Intercooler:Common in later, more powerful versions.
Block Construction:Cast Iron Cylinder Block.
Cylinder Head:Aluminum Cylinder Head.
Timing Drive:Belt.
Fuel Type:Diesel.
Engine Oil Capacity:Approximately 6.5 Liters.
Recommended Oil:15W-40.
Power and Torque Outputs:
The 4D56 engine has seen significant power and torque increases throughout its production life, especially with turbocharging and later with common rail systems:
Non-Intercooled Turbo:~84 hp (62 kW) and ~201 Nm.
Intercooled Turbo (TD04):~90 hp (67 kW) and ~197 Nm.
Intercooled Turbo (TD04 water-cooled):~99 hp (74 kW) and ~240 Nm.
Common Rail DI-D (16-valve):Versions developed up to 114 hp and 247 Nm, and later up to 178 hp and 400 Nm.
Note: Specifications can vary slightly depending on the specific year, application, and tuning of the engine. For precise details, it’s recommended to consult the service manual for the particular vehicle and model year.
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 in-line 4-cylinder turbo diesel engine, known for its versatility and use in various Mitsubishi and Hyundai vehicles, offering power outputs ranging from approximately 84 hp (non-intercooled) to 178 hp (with common rail and variable geometry turbo). Key specifications include a bore of 91.1mm and a stroke of 95mm, with a […]){kind=link}
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