Hybrid Diesel Engines Coming to Toyota Off-Road Vehicles

Jawad

07 Sep 2023

339

Hybrid Diesel Engines Coming to Toyota Off-Road Vehicles

In keeping with its commitment to offering diverse powertrain options, Toyota is venturing into the realm of hybrid diesel technology for its range of SUVs and pickup trucks. A recent video shared by the automaker unveils a 48-volt mild hybrid system designed to complement its turbodiesel engines, with the Hilux and Land Cruiser Prado slated as early adopters. The video also alludes to the Fortuner benefiting from this mild hybrid technology, as indicated by the accompanying hashtags.

While the video remains discreet about the details, Toyota has officially confirmed that the Land Cruiser Prado, specifically equipped with the 1GD-FTV 2.8-liter inline-four turbodiesel engine, will incorporate a 48-volt mild hybrid system in Western Europe and Australia. This very engine powers both the Hilux and Fortuner, promising a remarkable 10% improvement in fuel efficiency.

Toyota's mild hybrid system shares similarities with others in the market, relying on a belt-driven electric motor generator to replace the conventional alternator. The setup includes a 48-volt battery and a DC-DC converter.

What sets Toyota's mild hybrid system apart is its distinction from the Toyota Hybrid System II (THS II), characterized by two motor-generators and a power split device. Toyota's compact and lightweight mild hybrid unit can seamlessly integrate with existing powertrains, as per the manufacturer's claim.

The belt-driven electric motor generator not only provides more torque than gear-driven starters but also promises silent engine starts with a seamless response and minimal vibrations when deploying the stop/start feature.

Moreover, the electric motor steps in to provide torque assistance when necessary, while regenerative braking replenishes the battery to support functions like steering, pump operation, and fan power.

Given that this mild hybrid system primarily targets off-road vehicles, Toyota has taken measures to reinforce and waterproof its components for water wading. This involves a strategic arrangement of the mild hybrid elements within the cabin and the use of a high-strength ribbed belt to reduce friction when submerged.

Toyota asserts an impressive 700 mm water-wading depth for rugged vehicles like the Hilux, Land Cruiser Prado, and Fortuner. As for the exact launch date of this new hybridized diesel powertrain, Toyota is yet to make an official announcement.

Toyota hybrid diesel SUVs Toyota 48volt mild hybrid Hilux Land Cruiser Prado hybrid Toyota mild hybrid technology Offroad hybrid diesel powertrain Toyotas diverse powertrain options Fuelefficient Toyota SUVs Hybrid diesel system details Toyota hybrid offroaders Waterproof hybrid

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