8750

You will experience greater machine uptime, lower operating costs, and faster cycle times with our AC dragline designs that leverage institutional knowledge built on 30 years of experience commissioning more than 200 AC equipped machines worldwide.

• Superior availability – Routinely demonstrated electrical availabilities of greater than 95%. – Extended mean time between failures, and reduced mean time to repair.
• Better reliability – Less vulnerable to input voltage variation. – No filters, robust design, independent of mine network. – Full power available with voltage ±10%. – Continues to operate with reduced power with voltage –10% to –30%.
• Greater efficiency – Provide up to 10% energy savings over the life of the dragline. – AC drives have an overall efficiency of 92% vs. DC machines of 88%.
• Less maintenance – No regular maintenance is required on IGBT power control modules – Motor maintenance is reduced to greasing and replacing bearings around 30,000 hours. – Reduced maintenance resulting from lack of motor and generator brushes requiring change-out. This translates to increased machine electrical availability and reduced maintenance labor costs.
• Reduced inventory – IGBT modules are interchangeable between Active Front Ends (AFEs), inverters, motions and machines. – No brush inventory to maintain.

Optimizing your AC system performance and reliability, we've incorporated the latest in AC technology and utilized the most durable components available.

Reliability you've come to depend on, our dragline mechanical systems have proven field history in mine sites across the globe, from the extreme heat of Australia to the frigid temperatures of Canada.

• Specialize in analyzing mine environments and applying findings to recommendations for new draglines configured specifically to meet your productivity targets.
• Analyze existing dragline performance and apply findings to recommendations for upgrade solutions.
• Work collaboratively with you to consider factors, such as your digging environment, mine life, mine plan, and annual production targets, among others, to determine the proper dragline configuration for your mine site.

A dragline is a life-of-mine asset. To ensure that your investment provides the highest level of performance, productivity, and financial return over time, we offer a stable of top-quality, globally-available aftermarket solutions.

• Provide full mechanical component upgrades for existing draglines.
• In-house Finite Element Analysis expertise employed to ensure that replacement parts outperform the original components.
• Solutions include: – Major dragline structure repair/replacement for improved reliability and productivity enhancement. – Boom modifications to optimize Rated Suspended Load (RSL), operating radius, digging depth, and dumping height. – Re-engineered components for improved performance.

• Owners of legacy draglines can reap the benefits of the latest technology, reducing operating cost, and improving machine productivity and reliability.
• Tailored solutions that address your specific needs, whether you own an AC or DC powered dragline.
• Allows electrical system to work in harmony with on-board mechanical systems.
• Solutions include: – Drive system upgrades for enhanced performance (AC and DC machines). – Programmable Logic Controller (PLC) and Human Machine Interface (HMI) upgrades for enhanced safety and availability. – Production Monitoring System for optimized productivity. – On-board troubleshooting and remote diagnostics for improved reliability.

• Fundamental elements of the Cat dragline portfolio.
• Offer turn-key solution of OEM dragline parts, dragline service expertise, and local resources.
• Unmatched institutional knowledge of current and legacy dragline models ensures informed upgrade recommendations, leading to more productive and reliable operations following relocation.

• Highest quality OE component rebuild services for both legacy draglines and current models in use today.

Sharing your commitment to safety, and driven by our commitment to Zero Harm, we work tirelessly to design the safest machines possible to protect your most important asset; your employees. Some examples of the safety-enhancing features of Cat draglines include the following.

• Industry leading visibility.
• Additional visibility provided by five optimally mounted cameras and operator cab mounted overhead displays.
• Dual egress doors; rear door and level floor provide unimpeded stretcher to operator access.
• Unique three seat design accommodates operator, trainer, and maintenance person.
• Observer's seat, positioned behind operator, provides maintenance personnel with the operator's view while allowing him or her to monitor operator actions.
• Separate operator and trainer emergency stop buttons.

• Improves personnel safety by lighting the machine during power outages.

• Provides a safe and controlled learning environment to help produce a more skilled and safer operator.

Lowering your operating costs through reduced incidents of unplanned maintenance, longer intervals between scheduled service, and easier serviceability are of supreme importance to us. Promoting safer and easier maintenance activities, Cat draglines have improved access to most major service points.

• Easy accessibility to base via manholes inside and outside of roller circle path.

• Ability to move from section to section throughout all compartment spaces.

• Raised platforms for swing, brake, blower, and electrical termination maintenance.

• Substantial walkways/work areas around deck-mounted machinery and electrical equipment.

• Ready accessibility to hoist and drag drums via stairs, walkways, and platforms.

• Clamps eliminate need to lift heavy components to attach rope to drum.

• Cleats and lanyard attachment points within dirt chute.
• Long lasting poly wear blocks are easy to remove and handle.

• Overhead cranes provide coverage to most major components.
• Safe access via walkways along the entire length of the machinery house.

• Ladder rung access to lower and upper access points.

• External access ladders and walkways allow for ready maintenance.
• Upper sheave removal system available.

• Walkways provide access to major service points.

• Improved access to suspension rope connections.
• Walkway system allows inspection on upper and lower lacing-chord connections.

• Easily accessible maintenance point for lube servicing.

• Robust exterior flood lighting brackets allow for changing flood lights from walkways and platforms.
• Machinery house internal highbay lighting is accessible from boxes with quick opening hatches on top of roof.
• Boom and Tri-structure ballasts are accessible in the machinery house.

The expertise you have come to depend on will continue in the Caterpillar organization, whether through a Cat dealer or from Caterpillar – combining the best of both organizations to create one unparalleled source for support.

• 30+ years of experience
• Contracts tailored to each customer
• Parts planning and machine maintenance services
• Maximize value, while minimizing risk
• High degrees of customization and flexibility
• Inventory management support

AES is a specialized Caterpillar sales support team who use their expertise and knowledge specifically to provide custom aftermarket upgrades for the machines they support. They do not respond to any serviceable parts requests except as part of a design-to-order solution, allowing them to focus all their efforts on working with the dealer and customer to find the right solution to meet the customer's need. Whether it's a productivity target, an efficiency increase or a fuel-use limitation, AES uses their knowledge of the product as a whole to find the best way to reach that goal. Using a holistic design methodology that takes into account every stage of the design and manufacturing processes, AES provides the best possible solution to answer a customer's needs. General types of requests include:

• The integration of current technology onto aging machines
• The application of smaller scale machine upgrades and conversion components
• The development of design to order solutions

Aimed at advancing a novice operator to expert levels in a rapid timeframe, our combination of on-site and computer-based training provides all the tools your staff will need. To help maximize your investment in a Cat dragline, we provide on-site operator training assessments, on-site electrical and mechanical maintenance training, and a variety of computer-based training options.

• On-site and/or classroom training for dragline operators and mine operation supervisors.
• Aimed at developing internal training competency for your operation.
• Designed in module form to target key production issues specific to your operation.
• Trainers have years of experience with hands-on and classroom training, offering the necessary skills to implement changes on all aspects of operation, machine management, and maintenance.
• Utilizes cutting-edge technologies to improve knowledge retention, increase training efficiency, and create a safer learning environment via machine simulation.

• Provide a cost-effective way to train employees, improve safety, and optimize machine performance.
• Offer convenient 24/7 access to training on a variety of topics ranging from safety and operation to mechanical and electrical repairs.
• Highly visual and interactive, the CBTs are short online courses on technical subjects, designed by training specialists.

Meeting the needs of today without compromising the needs of tomorrow is the goal for all Cat machinery. The commitment to helping you operate safely and sustainably is affirmed in the production of the 8750 dragline.

• Power consumption – Consumes less power, produces less heat and sound, and emits fewer greenhouse gasses than other methods of overburden removal. – Energy savings, accompanied by higher productivity with AC IGBT electrics.
• Greenhouse gas emissions – Fully electric machine with minimal sight emissions.