2020 Isuzu D Max Pickup Truck Engine and Powertrain
4JJ3 engine is newly developed based on the reliable and well-received 4JJ1 diesel engine (3L displacement). The combined effects of 250 MPa high injection pressure, electronically-controlled VSG turbocharger, heat-insulating coating on the piston, double-scissors gear, etc. has yielded the engine featuring high power, low fuel consumption and low noise.
The engine performance of RZ4E diesel engine (1.9L displacement) is also revamped by optimizing its gear ratio and control systems.
Powertrain
Pull-ring shift lever is chosen for the manual transmission to make it easier for the driver to reverse the vehicle, and drive feel is better and more engaging.
With regard to the automatic transmission developed for RZ4E diesel engine, a downsized torque converter and lockup clutch integrated with a wide-angle damper provide improvements in fuel consumption and response.
A single propeller shaft made of aluminum is now incorporated in the 4x4 vehicle to achieve a significant weight reduction. The new D-MAX is also mounted with an electromagnetic rear differential lock.
With an enhanced transfer of power to the wheels, it now takes shorter time to switch between 2-wheel and 4-wheel drive as well as between high and low.
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