Malone Specialty: Optimize Quarry Operations with the Right Hydraulic Breaker

Pit & Quarry’s recent article, “Simplifying Hydraulic Breaker Selection for Your Operation,” underscores the importance of choosing the right hydraulic breaker for quarry operations. It echoes this sentiment, emphasizing that the correct selection is crucial not only for operational efficiency but also for safety and equipment longevity. After quarry blasts, breakers play a pivotal role in reducing rock sizes for transportation and processing, and they are adaptable to both mobile carriers and stationary systems.

It understands that the variety of breakers available can be daunting. The article recommends consulting manufacturer’s brochures, websites, and owner’s manuals to match the breaker size with the carrier’s weight range, ensuring safety and preventing equipment wear. It’s also vital to consider the breaker’s output power, measured in foot-pounds, to optimize performance without risking damage to the tool or its components. With these considerations, the article aids in streamlining the selection process for hydraulic breakers in aggregate operations.

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Malone Specialty: Kobelco USA Launches SK230 and SK270-7 Series: Cutting-Edge Mid-Size Short Radius Excavators 

According to Construction Equipment Guide, Kobelco USA’s latest SK230 and SK270-7 series mid-size short radius excavators set a new standard in the industry. Combining full-size benefits with short rear swing capabilities, these excavators deliver outstanding performance and fuel efficiency.

The compact design and long digging reach make them ideal for urban job sites, ensuring easy maneuverability and a broad working range. With top-class digging depths and impressive swing speeds, the SK230 and SK270 provide continuous operation and short cycle times.

Equipped with powerful performance capabilities and Kobelco’s intelligent control system, both models guarantee smooth and efficient operations. The Tier IV Final YANMAR 164 hp engine delivers full-size power and superior efficiency.

With intuitive operation, comprehensive safety features, and comfortable cabs, the SK230 and SK270 are designed to meet the demands of modern construction sites.

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Malone Specialty: Mecalac’s Introduces Versatile Compact Loader Line to North American Market

As reported by Construction Equipment Guide, Mecalac has unveiled its multifunctional compact loader line to cater to various industries, including agriculture, landscaping, forestry, snow removal, utilities, and construction. The line comprises six models, namely MCL2, MCL4, MCL4+, MCL6, MCL6+, and MCL8, all designed for exceptional versatility and agility.

Enhancing the machines’ adaptability, Mecalac introduces innovative hydraulic and maneuverability features, such as M-Drive and Speed Control. These options allow operators to control RPM through a hand throttle and regulate speed with a foot pedal, making the loaders highly precise for a wide range of hydraulic attachments.

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Hydraulic fluids: Controlling contamination in hydraulic fluids

Today’s manufacturing environments place great strain on production machinery. In the drive to maximise productivity, quality and throughput, users demand equipment that can generate ever larger forces with ever more precision. The elimination of process steps in sheet metal production, for example, calls for larger press tools and, in turn, more powerful presses. In mining and construction, higher equipment capacity is essential to minimise the time and labour costs in earth and spoil moving operations. Tighter tolerances and the desire to minimise or eliminate secondary finishing operations, meanwhile, require equipment that can operate with extreme precision.

Commercial demands serve to compound these challenges. Operators want machines that will operate faster to reduce part cycle times. They also want to maximise the overall availability of equipment, by running production lines for longer, by implementing rapid, automated changeovers between parts and by extending the intervals between maintenance interventions. Above all, they do not want unplanned downtime caused by equipment failure. With many operations involving multiple items of equipment, economic production requires every piece to run at extremely high levels of reliability.

Hydraulic technology remains a supremely effective way of generating large forces at acceptable speeds, using proven equipment that operates with high reliability under demanding conditions. Nevertheless, hydraulic technology can in some applications have certain important vulnerabilities. For example, during operation and maintenance, hydraulic fluid can pick up contamination in the form of dirt, water and wear particles. Over time, this contamination can cause severe damage to seals, pumps, cylinders, valves and other components, degrading performance and ultimately leading to catastrophic failure. Such failures are not only expensive to fix, they also have the potential to disrupt production cycles. In many modern production environments, the combination of extended operating periods and fast cycle times serves to increase the risk of hydraulic fluid contamination and damage, with industry estimates that over 85% of all hydraulic system failures can be attributed to fluid contamination.

Read more: Hydraulic fluids: Controlling contamination in hydraulic fluids

Prepare for the Future of Backhoe-loader Technologies

As jobsites continue to become smaller and smaller, and advancements in hydraulic and engine systems occur at an exceedingly fast pace, operators are demanding compact, powerful machines that enable them to complete their tasks as accurately, consistently and quickly as possible.

In response, the construction industry is integrating performance and power into smaller machines that have been created to accept several attachments, thereby enhancing operators’ productivity even on the most demanding jobsites.

One such machine is JCB’s purpose-built 1CXT backhoe-loader, which offers operators high efficiency, as it can perform in any type of application, while providing them comfort and ease of use, too. Highly maneuverable as well, the 1CXT also has a universal quick hitch that’s compatible with a majority of skid steer attachments. And it is easy for operators to trailer and tow it, often without a commercial driver’s license (CDL), as a result of its compact size and weight.

“Due to its compactness, the 1CXT can also be easily transported and operated in confined workspaces,” said Ethan Clowes, product manager, skid steer/compact track loaders and backhoe-loaders at JCB. “With a standard skid steer hitch, it has a unique front loader design as well, which ensures a 25% greater dump angle and 15% more breakout. Furthermore, for high-sided trucks, it has a load over height that’s 8 ft., 8 in., resulting in smooth loading.”

He added, “With a fully-integrated side-shift backhoe, the 1CXT can dig close to walls for ease, too—digging up to 10 ft., 1 in., with the extending dipper option. By offering 12 ft., 10 in., of ground-level reach, the backhoe-loader also enables users to maximize their productivity by minimizing their need to reposition it.”

Despite its compactness, the 1CXT has a spacious cab that ensures operators are comfortable. It also has ergonomically designed controls that reduce operators’ fatigue. And it requires less downtime than other backhoe-loaders, as its engine has a 500-hour service interval.

Read more: Prepare for the Future of Backhoe-loader Technologies

CASE Equipment to unveil new excavators

CASE Construction Equipment plans to launch two entirely new excavator models, a new operator interface with new control customizations/configurations, improved engine performance and hydraulics all drive greater performance and operational gains.

CASE Construction Equipment will reveal its new E Series excavator models in North America Sept. 22 at

The rollout features seven new models—including two entirely new excavators— and focuses on enhancing the operator experience, delivering greater productivity, operator satisfaction and operational efficiency.

New features (and models) that will help drive the more complete operator experience include:

  • a new 10-inch LCD display that serves as the control center for each new machine and provides access and visibility to cameras, machine data and controls. Operators can customize the view while accessing machine data and controls, maximizing visibility and job site awareness;
  • a new capability—hydraulic flow control balance—that improves upon the hydraulics of previous CASE excavators and allows the operator to set arm in and boom up and arm in and swinging flow and prioritize their preference;
  • new and increased attachment setting and profile storage capabilities, helping operators dial in attachment performance and ensure proper operation;
  • four new operating modes, including a range of up to 10 throttle settings that allow operators to better dial in performance to their work;
  • new engines from FPT Industrial, Turin, Italy, for increased horsepower, torque, transient response and emissions simplification, as well as extended service intervals;
  • expansive offerings of OEM-Fit 2D and 3D machine control systems to simplify the adoption and expansion of precision excavation solutions;
  • connectivity and collaborative fleet management capabilities through the CASE SiteConnect Module and SiteManager App, including remote diagnostics and software uploading capabilities; and
    a new CX190E model expands on an important class of machine, and a new CX365E SR model.

Read more: CASE Equipment to unveil new excavators

Kobelco Launches Next Generation SK350LC-11 Excavator

This next generation -11 machine delivers superior performance, greater efficiency and more productivity by following the Kobelco Performance By Design like the other new -11 series machines introduced earlier this year, the manufacturer said.

Since the 30 to 35 ton class machines are the main workhorse on most large job sites, the new Kobelco SK350LC-11 takes charge with industry leading lifting power, superior swing and drawbar torque to get the big jobs done. The new 265 hp Isuzu Tier IV Final engine has the power and torque to lift heavy loads and operate large tools with ease all day long. Add that to the combination of boom to arm regeneration and swing priority hydraulics, the Kobelco SK350-11 will let you load more trucks and move more material at the end of the day, the manufacturer said.

With the redesigned larger boom cylinders, the SK350-11 has the power to lift trench boxes and heavy loads around the job site like never before. It has the ability to multifunction while travelling (lift, swing and carry) due to the “Independent Travel” function.

With the press of a switch, the machine dedicates one hydraulic pump to travel system and one to all the other functions on a continuous basis. This allows the -11 series Kobelco machines to smoothly travel while having the ability lift and swing heavy loads. And, like all KOBELCO -11 excavators, the SK350LC-11 has three work modes: Eco, S and H mode for balancing between high performance, economy and low fuel consumption.

Heavy Lift and Power Boost (with unlimited time use) add the power needed to get through the toughest conditions, and the in-cab hydraulic pressure release function allows customers to change work tools or hoses easily and safely. The machine’s 84,200 lb. operating weight is well balanced to provide enhanced stability in reach and lift situations.

The new SK350LC-11 also provides improved durability — many major components have been redesigned for improved durability and performance. For example, the machine’s side panels have been made thicker to enhance body rigidity, while the increased diameter of the bucket cylinder pin contributes to enhanced durability for using various work tools. As part of Kobelco’s Performance By Design concept, all the new -7 Short Radius and -11 Conventional tail swing machines have new cabin environments with enhanced ergonomics and safety features with best-in-class cabin space and visibility. This new cabin includes a 7-way adjustable, heated air suspension seat that moves together with the armrests and hydraulic controls to reduce operator fatigue, provide enhanced shock absorption and ride comfort.

Read more: Kobelco Launches Next Generation SK350LC-11 Excavator

NRW equips Karara magnetite mining fleet with two new Cat 6060 shovels

NRW Civil & Mining has recently invested in two new Cat 6060 hydraulic mining shovels to meet some unique challenges at Karara Mining’s magnetite project in Western Australia’s Midwest region, engaging Cat dealer WesTrac in the process.

Karara is the largest mining operation and the first major magnetite mine in the Midwest region, producing a premium, high-grade concentrate product which is exported from Geraldton port.
Unlike the more commonly mined hematite, magnetite is a hard and highly abrasive ore, which meant NRW needed machines that could cope with the rigours of operating in such harsh conditions.

NRW opted for the Cat 6060 Hydraulic Mining Shovel, a 600-t unit able to load 218 t trucks and above.

According to NRW Mining Operations Manager, Adam Harper, the buying decisions for a mining contractor are very much driven by client expectations.

“We’re obviously chasing safe machines, but they have to be able to perform to our clients’ expectations and do so efficiently,” Harper said.

According to WesTrac Product Manager, Greg Wear, the Cat 6060 is a premium Caterpillar® offering when it comes to hydraulic mining shovels and has traditionally been the shovel of choice for top tier miners.

“This is the machine that we promote for highly productive loading of 240 ton (218 t) trucks and up,” Wear said. “Tier One miners have had good success with that and, now with NRW onboard, it shows that mining contractors are also seeing the value of the Cat 6060.”

Wear explains that the 600-t models have a long history, having first been released to market under previous owner Terex as the RH340 in 2004. Since being acquired by Caterpillar, the machine has been progressively “Catified” through a series of phased improvements.

“Over the past 10 years, Caterpillar has made phased improvements,” he said. “Phase one was a lot of quick wins that could be applied to make the machine more reliable. Phase two looked at structural changes designed to provide stronger, heavier frames and more reliability. Phase three continued that with modifications around sticks and booms, and a completely new superstructure and larger slew ring.

“Today with all the next generation technology, the transformation is complete with all Cat electronics and parts, and there’s been a new cab installed. Now the 6060 has the complete Caterpillar feel and functionality.”

Read more: NRW equips Karara magnetite mining fleet with two new Cat 6060 shovels

Caterpillar MD5075C Track Drill

The MD5075C track drill is mounted on a Cat 315E excavator undercarriage and incorporates a mechanical design carousel rod changer and drill rod handling system with no sensitive electronic sensors to cause downtime.

  • Capable of drilling holes of 3 to 4.5 in. in diameter to a depth of 102.5 ft.
  • 300-hp C9 engine can be configured to meet emissions standards worldwide
  • Compressor offers widely variable air control and produces 350 cfm at 150 psi
  • HPR5123 standard rock drill uses 45- or 51mm drill rod, while the HPR4519 rock drill uses 45mm drill rod
  • Pressurized cab includes numerous shutdown methods, responsive controls, isolator-mounting to minimize vibration, powerful HVAC system and six-way adjustable seat
  • Control system features touchscreen navigation, rearview camera, tram, water, rock drill auto-lube, alerts, drilling and target depths, penetration rate, machine performance, total hours and service
  • Depth indicator ensures all holes are drilled to the planned depth
  • Drill Assist monitors main hydraulic systems and automatically adjusts to pre-programmed parameters
  • Includes Cat Monitoring System (Cat MS) and Product Link
  • Simple, well-organized electrical/hydraulic arrangements, logically located components and ground level service facilitate maintenance

Read more: Caterpillar MD5075C Track Drill

Doosan launches largest excavator in company history

Doosan has launched the new DX1000LC-7 Stage V compliant 100 tonne crawler excavator, the largest excavator model ever manufactured by the company.

Driven by the most powerful engine in the 100 tonne class, the DX1000LC-7 also has the highest hydraulic flow for this size of machine, providing best-in-class performance, with higher productivity, lower fuel consumption and smoother controls.

The DX1000LC-7 is primarily intended to serve customers in mining and quarrying applications, removing overburden and loading large amounts of material into articulated dump trucks or rigid frame trucks. The DX1000LC-7 may also be operated on large construction and infrastructure projects, particularly where considerable amounts of material need to be excavated and stockpiled or loaded into trucks to be moved.

The DX1000LC-7 excavator is powered by the new stage V version of the well-proven Perkins 2806J diesel engine, providing a high power output of 469 kW (629 HP), more than any other machine in this class. The engine meets Stage V emission regulations by utilising exhaust gas recirculation, selective catalyst reduction, diesel oxidation catalyst and diesel particulate filter (DPF) after-treatment technologies.

The DPF automatically regenerates every 25 hours and the excavator continues to work unaffected during this regeneration phase. The operator can check the status of the DPF via the display on the gauge panel in the cab.

Hydraulic high

The high output of the engine is combined with a Virtual Bleed Off (VBO) hydraulic system (D-ECOPOWER+), and controlled by electric manipulator (FEH) providing a best-in-class hydraulic flow of (3x 523) – 1569 l/min and a high system pressure of 360 bar, together contributing to the best performance in the 100 tonne market.

Doosan’s D-ECOPOWER+ FEH technology utilises an electronic pressure-controlled pump within a closed centre hydraulic system to optimise productivity and fuel consumption, depending on the mode selected. A closed centred main control valve minimises pressure loss, while the electric pressure-controlled pump manages and optimises engine power more effectively.

Software is utilised to electronically reproduce the full benefits of an open centre hydraulic system with very little energy loss. The hydraulic system and engine output are fully optimised and synchronised, further reducing losses within the system.

Improved feedback to the operator through the joystick results in improved machine control and less operator fatigue. The acceleration and deceleration of the excavator workgroup functions are smoother, allowing operators to perform repetitive swinging and digging motions with less jerking movements.

Read more: Doosan launches largest excavator in company history


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