Wheel Loader Meets Tier 4 Interim Regs


The Tier 4 Interim-complant Doosan DL450 wheel loader has numerous performance, comfort and reliability enhancements. The horsepower has been increased to 354 with a 6-cylinder water-cooled diesel engine that has been optimized for use with selective catalyst reduction (SCR) and diesel exhaust fluid (DEF) to comply with iT4 emission reg-ulations. The upgraded wheel loader has an optional hydraulic locking differential avail-able as an alternative to the standard limit-ed slip differential. Another common option for the DL450 is a torque converter lockup clutch. This enables the machine to climb grades easier and faster, increasing produc-tivity as much as 20% in certain stockpiling applications. Additionally, the DL450 is now equipped with optional electric steering to decrease operator fatigue during repeti-tive cycle operations on the jobsite. A joy-stick has been added to the left armrest that allows the operator to control the direction-al movement without having to use the steering wheel. Other options for the wheel loader are a diesel coolant heater to improve starting in cold weather or a block heater that warms the engine coolant before engine startup with an electrical heater.

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As featured in Womp 2012 Vol 08 - www.womp-int.com