Kobelco’s SK500XDLC-10 extra heavy-duty excavator, the first model in its XD Series line, has recently landed in the local market, sporting a range of features that have it primed to thrive in extreme work environments, and doubtless its durability, in particular, will be an attractive feature for operators looking to power on through at pace in tough conditions.
As EEM illustrate, the SK500XDLC-10 is a robust unit, decked out to deliver an unyielding performance in often unforgiving Australian conditions, and at the ready to tackle heavy-duty applications. For a rundown of some of the added reinforcements that boost its resilience, continue reading.
Weighing in at 52,200 kg (operating weight), the SK500XDLC-10 is the heaviest machine in its class, designed to deliver next-level lifting capabilities, equipped with a 7m boom and 3.45m arm, reaching a maximum digging depth of 7.81m and with a rated safe working load over 6,000 kg (measured at full reach over the side).
Complementing the SK500XDLC-10’s robust construction, is its hydraulic system which is configured to provide top-drawer power and efficiency, making it ideally suited to undertake demanding applications, from quarry excavations to subdivisions, underground utility installation and heavy infrastructure works.
In addition to its tough exterior and ample power capacity, the SK500XDLC-10 features a spacious cabin, which places a priority on operator comfort and safety, and integrates a number of technology features, including a colour LCD multi-display screen, designed to assist operations in the field.
Mark Johnson, General Manager of Product & Distribution at Kobelco Construction Machinery Australia, described the XD Series as “an exciting evolution in Kobelco’s large heavy excavator product offering.”
“Designed to go the distance,” Johnson added that it sets “a new benchmark for machine durability and wear guarding in the 50-t class.”
“The new SK500XDLC-10 is the result of Kobelco’s continuous pursuit of being a leader in excavator design and durability – it’s engineered for the most extreme environments around the world,” he explained.
“It also builds on Kobelco’s excellent reputation for machine reliability, taking it to a new level by providing a factory-installed, comprehensive set of structural reinforcements – not to mention class-leading digging performance and fuel efficiency. The result is a machine that is the perfect choice for quarry work, infrastructure contractors and civil construction.”
EXTREME DURABILITY: A HEAVY-DUTY MACHINE
At first glance, it is fair to say that the SK500XDLC-10 is a hefty-looking, heavy-duty machine, capable of transforming operations on worksites – but, more importantly, it has the underlying robustness to back up these initial impressions.
The SK500XDLC-10 is built to get the job done in intense work environments, with a robust machine body complemented by additional reinforcements, positioned in all the primary areas of stress and wear across the boom, arm, underbody and undercarriage.
The heavy-duty boom and arm has been specially adapted to deal with the rigours of the harshest applications, with factory-fitted, triple-plated, hardened steel applied to all key structural sections, including the boom-to-arm connection, the boom centre and the end of the arm.
Further bolstering the SK500XDLC-10, a full-length rock guard is installed on the inside of the dipper arm, on top of additional steel plating.
Meanwhile, the SK500XDLC-10’s undercarriage is designed to deliver reliable performance and to withstand wear, with a heavy-duty steel bolted underbody guard protecting vital machine components and providing additional weight for greater stability.
The SK500XDLC-10’s undercarriage features a reinforced guide frame, preventing deformation caused by impact or loose stones, and reinforced 600mm triple grouser shoes, with the durability of the track links also having been increased, while the idler frame has double reinforcement plating inside and out.
POWER AND EFFICIENCY: UNCOMPROMISING PERFORMANCE AND PRODUCTIVITY
Power and efficiency are, of course, key considerations when tackling a variety of projects, and the SK500XDLC-10 delivers both in spades, with it running a 10.52L Hino turbo-charged liquid-cooled diesel engine, delivering 257kW of power, while its advanced hydraulic system has been engineered to deliver uncompromising performance and productivity.
The hydraulic system’s direct-drive pump set is managed by Kobelco’s Intelligent Total Control System (ICTS), which combined with a standard extra auxiliary pump delivers a total flow of 800L/min.
The SK500XDLC-10’s bucket breakout force of 293kN, and slew torque of 183kN, produces fast digging cycle times, while tractive force of 415kN provides plenty of drawbar pull to climb stockpiles, along with speed when transiting, climbing slopes or negotiating rough terrain, even when lifting a heavy load.
In addition to this, the SK500XDLC-10 comes factory-equipped with bi-directional primary auxiliary hydraulics, and proportional hand-controlled tilt/rotate piping and quick hitch piping, with an in-cab pressure relief function simplifying tool changes.
When it comes to fuel efficiency, the SK500XDLC-10 delivers an average fuel consumption of under 30L/hr in typical Australian heavy digging conditions, with a new boom-to-arm regeneration system more efficiently controlling hydraulic fluid flow, resulting in less engine and hydraulic workload and contributing to higher fuel savings.
SK500XDLC-10 KEY FEATURES
• Operating weight – 52,200kg
• Next-level lifting – a 7m boom and 3.45m arm, reaching a maximum digging depth of 7.81m, with a rated safe working load over 6,000kg (measured at full reach over the side)
• Designed for durability – from its heavy-duty boom and arm, to its undercarriage, it is built to get the job done in demanding work environments, with a robust machine body complemented by additional reinforcements
• Powerful performance – runs a 10.52L Hino turbo-charged liquid-cooled diesel engine, and has a bucket breakout force of 293kN, and slew torque of 183kN, producing fast digging cycle times, while tractive force of 415kN provides plenty of drawbar pull to climb stockpiles
• Fuel efficiency – delivers an average fuel consumption under 30L/hr in typical Australian heavy digging conditions
• Three work modes – comprising of heavy-duty, standard work and ECO-mode options, with ECO-mode automatically optimising digging efficiency, delivering a 13 per cent decrease in fuel consumption
• Operator comfort and safety – a spacious cabin with an expansive front window delivers a wide and unobstructed view for greater visibility, while a high level of pressurisation and noise dampening provides a quiet and air-tight work environment
• Colour LCD multi-display screen – displays a range of information, including fuel consumption and maintenance intervals
• Ease of maintenance – resulting in extended fluid service intervals, easily accessed fluid filters, and a modern engine with the simplicity of no DPF to service and no requirement for AdBlue, with a machine layout allowing easy access from the ground for many daily checks and regular maintenance tasks
• Geoscan – is provided free of charge for five years, allowing for remote access to machine operational and maintenance data
Operators have a choice of three work modes, comprising of heavy-duty and standard work options, along with an ECO-mode that automatically optimises digging efficiency, delivering a 13 per cent decrease in fuel consumption.
Meanwhile, a new hydraulically driven cooling package, with independently driven fans for the hydraulic cooler, engine radiator and intercooler, contributes to improving fuel economy and also reduces engine noise, while providing optimal oil temperature control.
OPERATOR COMFORT AND SAFETY: A QUIET AND AIR-TIGHT WORK ENVIRONMENT
The SK500XDLC-10 sports a spacious cabin, with its expansive front window, a bonus for operators, delivering greater visibility, while a high level of pressurisation and noise dampening significantly ramps up the comfort factor, providing a quiet and air-tight work environment and keeping dust out.
The expanded cab also allows for smoother operator entry and exit, while a heated and air-cushioned, adjustable suspension seat protects against vibration, and an automatic climate control system, with vents optimally placed around the cabin, provides air flow directed towards the operator’s neck and back.
In addition to this, pilot hydraulic joysticks are designed to deliver low lever effort, while providing precision and control, helping to reduce operator fatigue.
Keeping operators up to speed, a colour LCD multi-display screen displays a range of information, including fuel consumption and maintenance intervals, along with the standard integrated rear-view camera, while the one-touch attachment mode switch uses icons to help operators confirm the proper configuration at a glance.
Helping to keep operations running smoothly, up to 20 preset attachment settings can be selected, while independently programmable settings for flow and pressure can accomm-odate a wide variety of attachments.
EASE OF MAINTENANCE: SIMPLE DAILY CHECKS
Ease of maintenance is a key consideration in the design of the SK500XDLC-10, and operators will no doubt appreciate this focus, helping to keep it running in peak condition from one day and one project to the next, resulting in extended fluid service intervals, easily accessed fluid filters, and a modern engine with the simplicity of no DPF to service and no requirement for AdBlue.
Kobelco’s fluid filtration systems are designed for reliability and to provide a superior hydraulic performance, reducing the risk of mechanical trouble and enhancing the SK500XDLC-10’s longevity, with the intelligent hydraulic system notifying the operator if filter performance is compromised.
The cabin multi-display screen’s Machine Information Display Function displays maint-enance information that’s needed when it’s needed, with the self-diagnostic function providing early warning detection and display of electrical system malfunctions, and the service-diagnostic function making it easier to check the status of the machine.
The SK500XDLC-10’s layout provides for simple daily checks, allowing easy access from the ground for many checks and regular maintenance tasks, including access to the radiator and cooling system elements, engine oil filter, pilot filter, pump drain filter and fuel filter with built-in water separator.
Meanwhile, the engine compartment contains ample space for a mechanic to undertake maintenance work inside, and the distance between steps is lower, allowing for easier entry and exit, with the hood lighter and easier to raise and lower.
In addition to this, Kobelco’s Geoscan system is provided free of charge for five years, allowing for remote access to machine operational and maintenance data, while Kobelco’s four years/6,000 hours extended major component warranty is included with all new XD Series machines.
The Kobelco SK500XDLC-10 is available at dealers around Australia, visit kobelco.com.au to learn more.