Doosan DX520LCA Crawler Excavators 2018
Doosan DX520LCA crawler excavators, designed for dependable operation in tough conditions, have advanced features for higher productivity and lower operational costs. These robust machines cope efficiently in diverse applications, including construction, pipe laying, mining and quarrying, mass excavation and general contracting.
“New features of this series – which include increased traction force, greater bucket digging forces and increased swing torque – ensure improved performance and faster cycle times,” explains Darrel Holton, DISA Equipment (Pty) Limited, trading as Doosan, part of Invicta Holdings Limited. “Other design advancements comprise the large, sturdy undercarriage and counterweight which provide extra stability, a high performance mechanical injection engine for fuel efficiency and advanced technology for optimum power management and easy maintenance.”
DX520LCA excavators are powered by an environmentally friendly Doosan Tier II 6 cylinder air-to-air intercooler engine that delivers 238 kW (318 HP) @ 2 000 rpm, with excellent fuel economy. A large fan size, with improved air, hydraulic oil and fuel filter efficiency, enhances cooling performance, thus reducing fuel consumption.
The e-EPOS system (Electronic Power Optimising System) ensures economy and smoothness of operation, by providing a synchronised communication link between the engine’s electronic control unit and the hydraulic system, to ensure power is delivered exactly as required.
Advantages of the new user-friendly e-POS system include ease of operation, availability of power through three selectable user modes for optimum efficiency under all conditions. This includes an automatic auto-idle mode for the maximum fuel saving benefit. Regulation and precise control of the flow rate required by the equipment is standard and a self-diagnosis function enables technical problems to be resolved quickly. Machine settings and maintenance data are clearly displayed on a new user-friendly LCD colour monitor.
These machines have an advanced hydraulic circuit design which separates the oil flows for the travel and boom function to ensure precise and safe operation when handling loads during travel. Circuits for the boom, arm and bucket are optimised for smooth control during combination work.
The DX520LCA has the widest standard variable undercarriage available – 3,90 m extended and 3,34 m retracted. This heavy-duty X-shaped undercarriage has an integrated track spring and idler, as well as a durable box section track frame and self-lubricating sealed links. All welded structures are designed to limit stresses. The hydraulic track adjuster has a shock absorbing tension mechanism.
This series has a maximum bucket maximum digging force of 30,8 t and a side lifting capacity of 17,7 t at 6 m reach and 3 m height. Traction force has been improved with a drawbar pull of 37,6 t.
The DX520LCA series has been designed for easy access to all components for quick maintenance procedures and to prevent contamination to the surrounding environment.
New design features incorporate the latest ergonomics for improved safety and greater comfort, ensuring operators work in conditions conducive to high productivity. A spacious, all weather sound-suppressed cab offers a clear all round view and effective air conditioning and an adjustable seat, with an optional air suspension system to reduce vibrations, enhances comfort.
The control panel is conveniently positioned for easy use and is simple to read. For improved safety, there are large handrails and a wide step with anti-slip plates, right and left rear view mirrors, a travel alarm and safety glass.
Doosan construction equipment – which encompasses track, wheel and mini excavators, articulated dump trucks (ADT’s), as well as wheel loaders and various attachments – has been designed to cope efficiently and safely in Africa’s harsh operating conditions.
Doosan offers its extensive customer base a technical advisory, repair, maintenance and spare parts service, through a national network of branches and carefully selected distributors.
For further information Darrel Holton, DISA Equipment (Pty) Ltd T/A Doosan
Tel +27 11 974 2095
Released by Lindy Morton, Festivitas 083 268 6666 firstname.lastname@example.org