D3, D4, D5 engines: what it stands for and performance parameters Volvo diesel engines with Common Rail
D3, D4, D5 are straight diesel engines by Volvo, equipped with a modern common rail fuel injection system and a turbocharger.
The first generation D5 engine was unveiled in 2001, the second generation was presented in 2005, the third generation has been produced since 2009. The differences include the turbocharging system, the compression ratio, соmpression, the exhaust system, the number of cylinders, and the fuel pump efficiency.