Pipeline Equipment Spotlight: Hydraulic Excavators

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The following are the latest and greatest in hydraulic excavators, for all your digging and lifting needs on pipeline jobsites.

Cat 336 Hydraulic Excavator

PipeLine Machinery International (PLM) introduces the Cat 336, the next generation of hydraulic excavators. The Cat 336 raises the bar for efficiency and fuel economy in this size class with a Cat C9.3 ACERT engine and 311 hp (232 kW).

A precise combination of lower engine speed and large hydraulic pump pressure and flow delivers more work per unit of fuel, increasing fuel efficiency up to 15 percent. Extended maintenance intervals increase uptime and reduces cost. Pipeline jobsites where excavators would typically work can be rugged and challenging. The Cat 336 provides a solution to this with a cab that protects the operator as much as possible from the fatigue, stresses, sounds and temperatures of the job. All controls are in front of the operator which means no twisting around.

The Cat 336 also offers the industry’s highest level of standard factory-equipped technology, including Cat GRADE with 2D, GRADE with Assist, and PAYLOAD. In addition, Cat Connect Technology gives operators of all experience levels the ability to dig, load, and grade with more confidence, speed and accuracy.

Additional features of the new Cat 336 include a touchscreen monitor, New Smart Mode that sends power to where it is needed most, and a keyless push-button engine start that uses Operator ID codes to track machine access.

For more information, visit plmcat.com or caterpillar.com.

John Deere 350G LC Excavator

John Deere 350G LC Excavator

The John Deere 350G LC provides operators with increased efficiency. Developed incorporating customer-inspired upgrades, the 350G LC features Powerwise Plus technology that boosts performance on demand. Additionally, this model features reimagined cab comforts and a standard pattern-control switch for effortless operation. Options such as a hydraulic single-pedal propel system, deluxe LED lighting, and a debris-deflecting track-frame undercover allow the 350G LC to deliver exceptional performance, empowering operators with the tools to achieve more.

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The Powerwise Plus hydraulic-management system delivers on-demand muscle while combining its extra ability with typically smooth operation and finesse. Add three power modes and power boost, and these excavators provide what operators need to give productivity an extra push. Understanding that durability and dependability are key on the jobsite, the 350G is designed to handle rigorous tasks with equally as tough features. The industry-exclusive double-swing bearing delivers rock-solid durability, while reinforced D-channel side frames provide maximum cab and component protection.

For more information, visit deere.com.

Doosan DX235LCR-5 Excavator

Doosan DX235LCR-5 Excavator

Doosan DX235LCR-5 reduced-tail-swing crawler excavators allow operators to work in confined areas without sacrificing trenching capabilities. With a 180-hp (net) diesel engine and a maximum digging reach of 31 ft, 7 in., the excavator is designed for exceptional performance. A tighter front minimum swing radius makes the DX235LCR-5 ideal for operating in congested jobsites, and its design minimizes the potential for damage when working close to structures.

An optional two-way dozer blade simplifies backfilling and allows the excavator to fill, smooth and level trenches more efficiently. A smooth cutting edge on the bucket allows operators to clean right up to the edge of the dozer blade, reducing further grading later. Plus, the dozer blades’ robust design allows for moderate site grading, reducing the need for other equipment to complete the task.

Doosan Infracore North America, LLC, headquartered in Suwanee, Georgia, markets the Doosan brand of products that includes crawler excavators, wheel excavators, wheel loaders, articulated dump trucks, material handlers, log loaders and attachments. With more than 150 heavy equipment dealer locations in North America, Doosan is known for an unmatched dedication to service and customer uptime, and durable, reliable products. Doosan is fast becoming a global force in heavy construction equipment.

For more information, visit doosanequipment.com.

Hitachi ZX350LC-6 Excavator

Hitachi ZX350LC-6 Excavator

The Hitachi ZX350LC-6 provides efficiency, reliability, and durability Loaded with a new, fuel-efficient EPA Final Tier 4 (FT4)/EU Stage IV Isuzu engine, this excavator meets rigid emission standards and no diesel particulate filter is needed. It also provides generous swing torque, dig force, and lift capacity. The spacious cab is designed for operator comfort and productivity, and standard upper-structure handrails provide added safety and accessibility.

The ZX350LC-6 come standard equipped with five years of ZXLink Ultimate, which gives 24/7 online access to machine location, health, utilization, fuel consumption, and other valuable information – so contractors can better understand costs and jobsite performance.

This workhorse is also available with optional integrated Grade Guidance developed in cooperation with Topcon. Grade Guidance helps complete precision-excavation application quicker and more efficiently. Once selected, your machine arrives ready to work with the system installed, measured and calibrated.

For more information, visit hitachiconstruction.com.

Hyundai HX300L Crawler Excavator

Hyundai HX300L Crawler Excavator

The newly upgraded HX300L hydraulic excavator from Hyundai Construction Equipment Americas adds a variety of standard features that enhance its value in oil and gas applications, where demand is on the rise for 28- to 35-ton excavators.

With a standard operating weight of 69,780 lbs (31 650 kg), the Hyundai HX300L features a Tier 4 Final-compliant, 230-hp (171-kW) Cummins QSB6.7 diesel engine. It provides maximum dig depth of 24 ft 3 in (7 390 mm), bucket digging force of 37,920 lbf (17 200 kgf), and maximum reach at ground level of 32 ft 3 in (9 820 mm).

The HX300L model include four new standard features:

  • A dedicated Lift Mode that keeps the hydraulic power boost engaged when lifting heavy objects such as pipeline segments.
  • An enhanced Fine Swing Mode which uses the machine’s hydraulics rather than a mechanical brake for improved swing control in placing heavy objects such as pipes and trench boxes.
  • Steel side bumpers to reduce jobsite damage to cab doors
    and sheet metal.
  • Single-pedal travel (previously optional) enabling the left pedal to be used for both forward and reverse travel, freeing up floor space for the operator.
  • The Hyundai HX300L excavator, like all Hyundai Construction equipment models, is protected by the company’s industry-leading standard warranty of 3 years or 3,000 hours plus 5-year, 10,000-hour structural warranty. Additionally, the company offers the Hyundai Extend optional extended-warranty program.

For more information, visit hceamericas.com.

KOBELCO SK210LC-10 Excavator

KOBELCO SK210LC-10 Excavator

The KOBELCO SK210LC-10 boasts cutting-edge power and efficiency capabilities to make downtime a thing of the past. This 49,400-lb model is powered by a 160-hp Tier IV Final HINO engine that enables it to remain highly fuel efficient while easily tackling heavy-duty applications.

The SK210LC-10 delivers a dynamic bucket digging force of 35,300-lbf to achieve leading-class work volume, even while minimizing fuel consumption. In H-mode, it features an impressive ~7 percent increase in work volume, while providing up to a ~10 percent increase in fuel economy in S-mode and a further ~6 percent increase in ECO-mode. This boost in efficiency comes from a new hydraulic regeneration system, which aids the arm by reusing force generated by the boom, to further minimize energy loss and ensure outstanding performance.

The KOBELCO SK210LC-10 is more durable than ever and able to withstand the rigors of the toughest job sites. This unit comes standard with an untimed power boost function that instantly and continuously provides all the extra muscle you need to power through jobs without interruption. And, a higher boom foot cross-section, thicker arm-foot base plate and stronger foot bases provide ample power to lift the heaviest of loads and the rugged construction to stay safe while you follow through.

For more information, visit kobelco-usa.com.

Komatsu PC360LC-11 Excavator

Komatsu PC360LC-11 Excavator

Komatsu America’s 257-hp PC360LC-11 excavator is a workhorse valued for its reliability and durability in the myriad duties required of gas and pipeline excavators. From digging trenches, removing spoils, loading dump trucks and laying pipe, the PC360LC-11 delivers an environmentally friendly high-performance engine, while reducing operating costs and improving productivity.

Like all Komatsu excavators, the PC360LC-11 features large and durable one-piece steel castings in critical areas like the boom foot, boom tip, and arm tip for strength and longer component
life. Its class-leading over-the-side lift capabilities offer the safest operations when working over trenches and its strong arm crowd force and bucket digging force are important contributors to
mass excavation.

Like other Komatsu excavators, the PC360LC-11’s offers a robust plus-1 piping kit with optional proportional joysticks for optimal attachment performance. Komatsu’s Closed-center Load Sensing System (CLSS) provides quick response and smooth operation to maximize productivity.

The PC360LC-11 is equipped with six working modes (P, E, L, B, ATT/P and ATT/E). Each mode is designed to match engine speed, pump flow and system pressure to the application. The attachment mode (ATT/E) allows operators to run attachments while in Economy mode. And, when the Lifting mode is selected, thanks to raising hydraulic pressure, lifting capacity is increased 7 percent. The Power Mode with enhanced engine and hydraulic pump control logic provides greater hydraulic power and speed for faster cycle times, improved multifunction performance and up to 12 percent greater productivity.

For more information, visit komatsuamerica.com.

Liebherr R 930 Crawler Excavator

Liebherr R 930 Crawler Excavator

The R 930 is a brand-new model from Liebherr designed to satisfy the market requirements for 30-metric ton excavators.

The Generation 8 series, which has gone into production at Liebherr-France SAS in Colmar, is made up of seven models ranging from 22 to 45 metric tons: R 922, R 924, R 926, R 930, R 934, R 938 and R 945. The easy-to-transport, versatile and efficient R 930 crawler excavator is fully compatible with the requirements of customers and operators of 30-tonne machines. The machine has been designed to provide extra comfort and safety, as well as optimum ergonomics and performance.

The R 930 complies with Stage V emission standards and – together with the R 926 – is based on a specific platform developed by Liebherr. The R 926 and the R 930 have an operating weight of between 26 and 36 metric tons, and achieve a power of 150 kW/204 hp and 180 kW/245 hp respectively. The backhoe bucket capacities vary from 0.55 m3 to 1.75 m3 on the R 926 and between 1 m3 and 2.15 m3 on the R 930. The R 926 and R 930 models are available worldwide with the relevant engines. An extremely wide range of equipment and tools makes the R 926 and R 930 crawler excavators very versatile for earthmoving, levelling, digging, loading and even lifting tasks.

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