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Isuzu PH Launches All-New RZ4E Blue Power Engine for D-Max, MU-X

Isuzu Philippines Corporation (IPC) introduced another first in diesel engine technology through the recent launch of its all-new Isuzu RZ4E Blue Power engine.

With more than 80 years of experience manufacturing diesel engines, and with more than 27 million diesel engines produced, Isuzu sits on the No. 1 position in various Commercial Vehicle categories, in 29 countries worldwide, including the Philippines.

“The global trend of producing smaller capacity engine that has an output of larger engines has come to Isuzu,” said IPC President Hajime Koso. “The new RZ4E Blue Power engine, carries with it our years of experience as a diesel engine manufacturer. Carefully developed to provide optimized power and torque; this engine performs efficiently, with much care for the environment, running with less noise & vibrations, and is very easy to maintain.”

Isuzu RZ4E

Innovative Engine Technology

Totaling four years of test and development, the Isuzu RZ4E engine has a displacement of 1,898 liters, produces maximum power of 150 PS (148 hp) at 3,600 rpm and maximum torque of 350 Nm from 1,800-2600 rpm, and is Euro 4-compliant.

New technological features include a well-designed combustion system composed of a Diamond Like Coated (DLC) pistons pins, coupled with a clothoid curve combustion chamber, new fracture split design connecting rod and DLC fuel injector needles–which are all put together to decrease engine friction thus promoting improved fuel economy and lesser exhaust emissions.

Aside from the combustion system, the RZ4E also has a new water-cooled Variable Geometry Turbocharger system, that ensures that the engine has excellent throttle response even at low rpm. The turbocharger’s turbine is made from high temperature-resistant material while the central body is water-cooled for durability.

For ease of maintenance, the new RZ4E engine has a Hydraulic Valve Lash Adjuster (HVLA) which keeps the correct valve lash clearance, a Single Engine Accessory Drive-belt for the alternator and air-conditioning compressor and a Cartridge-type Oil Filter–which is another one of its ecological feature, that eliminates discarding of the metal canister by replacing only the paper element of the filter.


Excellent Fuel Economy

Given its new design and quite a number of new engine parts installed, the new RZ4E performs efficiently which has been proven in the recent fuel-efficient testing conducted by the company.

During its testing, IPC conducted the test using the Isuzu MU-X RZ4E LS-A variants running alongside its current Isuzu MU-X 2.5-liter variants.

The Isuzu mu-X RZ4E LS-A MT recorded 37.27 km/l which is a 14.32-percent improvement from the 2.5-liter variant (32.60 km/l), while the Isuzu MU-X RZ4E LS-A AT logged a total of 35.80 km/l which is 48.36-percent higher than the 2.5-liter variant (24.13 km/l).

The tests were conducted under the supervision and verification of the Automobile Association Philippine (AAP) following the Department of Energy (DOE) testing parameters and standards.

“Our 2.5-liter engine as it is, is already fuel efficient, but with the introduction of the new Isuzu RZ4E engine, our Isuzu mu-X model now is made smarter by performing at a higher capacity under lower fuel consumption,” said Koso.


New Smart & Functional Variants

The new Isuzu RZ4E Blue Power engine is set to replace Isuzu’s existing 2.5-liter variants and will be made available for both the Isuzu mu-X and D-MAX models.

As an entry-level SUV, IPC will offer the Isuzu mu-X RZ4E LS 4×2 MT, which is ideal for fleet or as a company vehicle, carrying with it standard SUV features–this variant is designed to give you comfort and convenience without breaking the bank.

Together with it, the new Isuzu mu-X RZ4E 4×2 LS-A MT and AT variants which are packed with top-of-the-line SUV features, perfect for urban duelers who need to move seven people, more comfortably and efficient. Dubbed as smart and functional variant, these units give you the styling of a high-end SUV but is still easy on the pocket to drive.

Similar to the MU-X, the Isuzu D-Max will have its own smart and functional variants–the Isuzu D-Max RZ4E 4×2 LS MT and AT. Ideal for urban drivers, these two new variants offer comfortable driving experience while maintaining its cargo truck capabilities.


Competitive Pricing

The new Isuzu mu-X RZ4E variants are available in five dynamic color options; Havana Brown, Cosmic Black, Obsidian Gray, Titanium Silver, and Silky Pearl White. Prices are set at PHP1.395 million for the Isuzu MU-X RZ4E 4×2 LS MT, PHP1.570 million for the MUX-X RZ4E 4×2 LS-A MT and PHP1.595 million for the Isuzu MU-X RZ4E 4×2 LS-A AT. An additional PHP10,000 will be added to the vehicle price for all Silky Pearl White LS-A units only.

Prices of the Isuzu D-MAX RZ4E variants will be announced on a later date.

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