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Contractors World 2012 Volume 3 Issue 2
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Doosan Infracore Construction Equipment is launching the DL450-3 model,

New Generation Wheel Loader from Doosan

Doosan Infracore Construction Equipment is launching the DL450-3 model, the first in the company’s new generation large wheel loaders. The latest model is powered by a Scania SCR diesel engine meeting the Stage IIIB EU emissions regulations.

It also features new ZF transmissions together with several other features designed to minimise fuel consumption and improve performance, ease of handling, serviceability, durability and significantly enhanced operator comfort.

With a bucket capacity of 4.5 m³, the new wheel loader is intended to meet a wide range of material-handling needs from loading and transporting granular material (such as sand and gravel) to industrial, mining and quarrying applications.

The DL450-3 model is powered by the 13-litre Scania DC13 SCR 6-cylinder diesel engine delivering ‘best in class’ power and engine torque, with a maximum power output of 264 kW at 1800 rpm.

the new generation DL450-3 wheel loader have been developed to optimize fuel efficiency.Lower Fuel Consumption

Many of the features of the new generation DL450-3 wheel loader have been developed to optimize fuel efficiency. SCR technology reduces fuel consumption by about 10% compared to similar size machines with EGR technology.

A concern for many with the new engines across all manufacturers was a lowering of potential resale value, due to the engine not being suitable as used-equipment in former markets. Doosan have overcome this by making it possible to reset the engine parameters to Stage II engines, thereby making it suitable for use in emerging markets, without offering a different engine option.

The new DL450-3 wheel loader has three engine working modes: ECO, NORMAL and POWER. With the ‘Power-Up’ function, the operator can manually adjust to the next highest working mode by applying a full stroke of the accelerator pedal. With this function, the operator can travel in moderate NORMAL mode and switch to POWER mode when it is really needed, such as when taking material from a pile. This helps to reduce fuel consumption. The ECO Bar provides information about fuel consumption in relation to machine performance in real-time, allowing the operator to select the driving profile for the best fuel efficiency.

The operator can set a password for machine start. If Auto Idle is activated, engine speed goes down about 200 rpm after 10 seconds if there is no machine movement. Auto Idle is ideal for applications with long waiting times, such as truck loading. Thanks to Auto Idle, fuel consumption is reduced by up to 8%.

The first of a new generationThe first of a new generation

The full range of new large wheel loaders will be launched at Intermat - the new generation machines will gradually be introduced to replace the existing range of 5 models. Contractors World also understands that there will be announcements on the variations of the models available for Africa and the Middle East.

All new generation Doosan large wheel loaders are equipped with load-sensing controlled, variable hydraulic piston pumps, improving performance and reducing fuel consumption. With load sensing, the hydraulic pumps receive a signal from the MCV informing how much oil is needed. This helps to save on engine performance.

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Publisher: Roger Lindley
Content compiled and edited by:
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Page updated: February 2012

 

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