Totaling four years of test and development, the Isuzu RZ4E diesel engine has a displacement of 1,898-liters, capable of producing, maximum power of 150 PS at 3,600 rpm and a maximum torque of 350 N-m from 1,800-2600 rpm – and is EURO 4 compliant.
“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,” he added.
New technological features include, a well-design 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 Turbo-charger system, that ensures that the engine has excellent throttle response even at low rpm. The turbo-charger’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.
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 their testing, IPC conducted their test using the Isuzu mu-X RZ4E LS-A variants running alongside its current Isuzu mu-X 2.5L variants which presently runs economically based on previous testing.
The Isuzu mu-X RZ4E LS-A MT records 37.27 km/l which is up to 14.32% improvement from the 2.5-liter variant (32.60 km/l), while the Isuzu mu-X RZ4E LS-A AT logs a total of 35.80 km/l that is up to 48.36% higher than the 2.5-liter variant (24.13 km/l).
The test is 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.
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 4x2 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 4x2 LS-A MT and AT variants which are packed with top of the line SUV features, perfect for urban duelers who need to move 7 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 4x2 LS MT and AT. Ideal for urban drivers, these two new variants offer comfortable driving experience while maintaining its cargo truck capabilities.
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 P 1,395,000 for the Isuzu mu-X RZ4E 4x2 LS MT, P 1,570,000 for the mu-X RZ4E 4x2 LS-A MT and P 1,595,000 for the Isuzu mu-X RZ4E 4x2 LS-A AT.
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