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D-4D: Toyota diesel engines with Common Rail direct fuel injection system


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D-4D is the name of the direct fuel injection system developed by Toyota Motor Corporation. In addition, this abbreviation is used for Toyota diesel engines fitted with this system.

D4D engines

Popular D-4D engines in cars


In 2000, 1CD-FTV engine was released. It was the first Toyota diesel engine with the Common Rail system. Its displacement was 2 liters, and its power reached 116 hp. It had four in-line cylinders, reinforced walls of the cylinders block, and a variable geometry turbocharger. This engine was produced until 2007. It was installed on the following Toyota models: Corolla, Avensis, Previa, Corolla Verso and RAV4.


This inline 4-cylinder turbocharged diesel engine with the displacement of 1.4 l and Common Rail direct fuel injection system was released in 2001. Since 2002 it was installed in many Toyota models: Auris, Avanza, Corolla, Etios, iQ, Ractis, Urban Cruiser, Verso-S, Yaris. Its maximum power was 68, 88, and 90 hp. Since 2015, 1ND-TV meets the EURO VI emission standard.


This is a series of diesel inline 4-cylinder engines with two camshafts and a turbine. The first generation, 1KD-FTV, was introduced in 2000. It was a 3-liter engine with the power of 172 hp. It was installed in the following vehicles: Toyota Land Cruiser Prado, Toyota Hilux Surf, Toyota Fortuner, Toyota Hiace and Toyota Hilux. The second generation had the 2KD-FTV index. It appeared in 2001. Unlike their predecessors, the engines of this generation feature reduced displacement and maximum power: 2.5 l, and 142 hp, respectively. This engine was installed in the lineup of Toyota vehicles: Fortuner, Hilux, Hiace and Innova.


The first generation of this series of inline DOHC diesel engines was introduced in 2005. 1AD-FTV was turbocharged, and had the displacement of 2.0 l, and the power of 127 hp. The second generation, 2AD-FTV, like the previous one, was equipped with the D-4D Common Rail and a variable geometry turbocharger, but had different displacement, which reached 2.2 liters. The maximum power ranged between 136 and 149 hp. The next generation had 2AD-FHV index. These power units had the following features: high-speed piezoelectric injectors, D-CAT system for reducing harmful emissions, compression ratio of 15.7:1, which was the lowest for this series. Like in 2AD-FTV engines, displacement did not exceed 2.2 liters. The power was 174 to 178 hp. Engines of this series were installed on Toyota models like the RAV4, Avensis, Corolla Verso, Auris, Verso, Corolla.


In 2013, 1WW engines were presented. It was yet another series of DOHC diesel engines with 4 cylinders arranged in line. The power of 1.6-liter engines reached 110 horsepower, and the compression ratio was 16.5:1. 2-liter 1WW engines appeared in 2015. They were made for Toyota Verso and Toyota Auris.


In 2015, engines of the GD series appeared. The first generation was indexed as 1GD-FTV. It was represented by an in-line 2.8-liter 175-horsepower DOHC engine with 4 cylinders and a variable geometry turbocharger. 2GD-FTV engines of the second generation had lower displacement and power: 2.4 liters and 147 horsepowers. The compression ratio of the engines of the two generations was the same — 15.6:1. They were installed in Toyota Hilux, Toyota Land Cruiser Prado, Toyota Fortuner and Toyota Innova.


The VD series was a new stage in the history of engines from this Japanese brand. They were the first 8-cylinder diesel V-engines. Their displacement was 4.5 liters. They were fitted with the D-4D system, and one or two variable geometry turbochargers. The compression ratio reached 16.8:1. The maximum power of the turbocharged engines was 202 hp, and of twin-turbo engines — 268 hp.

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