Doosan Launches New DL420-7 Stage V Wheel Loader

22 July 2020

Higher productivity and excellent user comfort
Doosan Infracore Europe launches the new Doosan DL420-7 Stage V wheel loader, with a completely new design, offering higher performance, lower fuel consumption and a much better operator environment compared to the previous Stage IV model.

The Doosan DL420-7 introduces a fresh look to the entire Doosan wheel loader range, with an all-new spacious, ergonomic cab and innovative features for increased productivity, controllability and operator comfort. As with all Doosan wheel loaders, most of these features are standard, unlike other machines on the market where they are often options.

Higher productivity
The Doosan DL420-7 has a larger standard bucket capacity of 4.5 m3, the largest in its class. The wheel loader also delivers a productivity increase of 7% over the previous '-5' model. 5-speed automatic powershift transmission and heavy-duty HDL axles as standard ensure that the Doosan DL420-7 performs exceptionally, especially in high-load environments. The Doosan DL420-7 also features smooth and responsive hydraulics and auxiliary hydraulics, to provide the ideal material handling solution in construction, demolition, waste, recycling, mining and quarrying.

The Doosan DL420-7 is powered by the new Scania DC13 Stage V 6-cylinder engine. It has an output of 257 kW (345 hp) at 1800 rpm and an impressive peak torque of 2196 Nm at 1100 rpm. The new engine meets Stage V emissions regulations, without the need for exhaust gas recirculation (EGR). This through Selective Catalyst Reduction, Diesel Oxidation Catalyst and Diesel Particulate Filter (DPF) aftertreatment technologies. The ash cleaning cycle on the DPF has been improved to over 6000 hours and the operator is fully aware of the status of the DPF via a soot level indicator on the new 8” in-cab touchscreen.

Increased fuel efficiency
The Stage V engine delivers 5% fuel savings without the need for EGR. The new generation energy management system Situation Awareness Technology (SAT2) automatically scans machine activity and adjusts engine power according to 'real-time' analysis of boom pressure, pump pressure and output shaft.

New, spacious and ergonomic cab design
Using the new Doosan Smart Key system on the in-cab control panel, the operator can start the machine with a 'keyless' device. This helps prevent theft of the machine. Up to six machines can be registered on each 'keyless' device and the smart key system provides remote door control, door lock and unlock, door unlock, search and other functions. The control panel also contains two USB connections.

The new EMCV (Electric Main Control Valve) joystick is fully integrated into the armrest and one of the standard features in the cab. The EMCV joystick provides the operator with smoother and more accurate wheel loader control. Joystick control sensitivity can be set and changed according to operator preferences, using the new 8-inch touchscreen monitor.

The touchscreen display offers an innovative all-in-one design:
- New graphics;
- Fully adjustable positioning;
- Simple menu navigation including 'quick menu' function;
- Machine settings and information;
- Performance information;
- Optional weighing system;
- Rear view camera;
- HVAC and A/C controls;
- Help functions.

The new cab has a Grammer Actimo XXL seat with adjustable horizontal and vertical suspension settings, a pneumatic lumbar function and seat heating as standard. In addition, the cab features a 3-point seat belt with alarm icons on the touchscreen monitor and on the gauge panel with a new layout and anti-reflective glass.

Excellent operator visibility
The new cab provides the operator with a vastly improved field of vision, with minimal blind spots around the cab and a 14% larger glass window area compared to the previous Doosan DL420-5 model . Doosan The DL420-7 also offers electrically adjustable rear-view mirrors for added safety. Full LED work lights are installed on the cab (four at the front and rear as standard, with the option of six at the front and rear). The LED lights on the rear hood have an automatic strobe function to indicate when the wheel loader is backing up.

An air compressor with air blower is also available as an option: mounted in the cab for easy access. This is a powerful tool for cleaning the cabin when needed.

To meet machine requirements for the wide range of applications in construction, demolition, waste, recycling, mining and quarrying, an optional Doosan weighing system is available on the Doosan DL420-7. The new wheel loader can also be ordered with a choice of different counterweights. Options are 300, 400 or 500 kg, depending on the application.

DoosanCONNECT Fleet Monitoring System
The Doosan DL420-7 is factory installed with the latest DoosanCONNECT TMS2.0 state of the art wireless fleet monitoring system. The DoosanCONNECT system is a tool specially designed for the Doosan range and provides comprehensive information on machine performance in a dual mode (satellite, mobile network).

The DoosanCONNECT system provides an online fleet and asset management solution, which is very useful for managing the performance and security of machines and for promoting preventive maintenance.

Quick specifications Doosan DL420-7 wheel loader
Capacity, full: 4.5 m 3
Static Tipping Load, Straight: 18696 kg
Static tipping load, at 40° 16493 kg
Length with bucket: 8926 mm
Width with bucket: 3200 mm
Height: 3660mm
Front hinge height: 4265 mm
Dump height (at 45°) with bolted cutting edge 2990 mm
Dump range (at 45°) with bolt-on cutting edge 1320 mm
Wheelbase: 3525mm
Turning radius, bucket edge: 7010 mm
Maximum Travel Speed (5th Gear): 40 kph
Engine: 6-cylinder Scania DC13 Stage V, delivering 257 kW at 1800 RPM
Operating weight: 23990 kg
Breakout force: 171 kN
Tire size: 26.5 R25

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